Instructables
I'll show all you cheap people how to screen print. I build or make %99 of my stuff. This is probably the cheapest way of doing screen printing. Only thing is, is that you will have to want to make many screens for it to pay off. But I've made many screens and truly love making people shirts, and even more.... saving money.
 
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Step 1: The screens

the screen frames are pretty easy from scratch, I use 3/4 inch wood (lying around, so it doesn't truely cost me anything) and cut 1- 1 1/2" strips. I then make 45 degree cuts on the corners. My screen's dimensions are usually 18" X 17" for a regular design but for full shirt designs I use 21" X 18". but after the 45degree cuts have been done they should all set flesh with each other. now take out your pressurized staple gun and shoot each corner this should hold the frame together. Now its time to stretch your fabric.

Step 2: Stretching the fabric

now its time to do the most annoying part of screen printing... stretching the fabric. if anyone has performed either stretching a canvas or made a projector screen will be familiar with this process. To start out you will need the fabric to stretch. I buy mine at my local wal-mart the fabric needed to do this is called a "mesh" fabric, if your not %100 on fabrics ask a employee they are sure to help you out. most of the time I buy my fabric for $2 a yard so it ends out being pretty cheap. Now its time for the sketching of your newly purchased fabric, I start out with 1 staple on each side and progressively add 2 to each side making sure that I tug on the fabric as I go to each opposing side. after a while and a few hundred staples I finally finish my screen.
can i use common silk fabric find on cloth shop because i am in Pakistan and didn't find any mash fabric plz help me thanks

Zubair, It would depend on what kind of ink you are using such as oil base or water base. Most of the time Polyester screens are for water base ink. I would say if you use oil base ink you will have to use some thinner to clean your screens. but having a real silk screen would be very cool and most people would rather have the real deal. Just watch out for the thread count.

thanks nfarrow

What does the light do to the solution? dissolves it?
slimguy379 (author)  plasticpopcorn45 years ago
no it exposes the screen with the goo, the pattern (black designs) do not allow light to pass, and allow the goo to harden. this stays soft and easy to wash out. thus creating your screen
what color light goes into making such a "burning" take place with that 15-20 min time frame you discretely use??  i would imagine a single light bulb in the range of a 50-100 watts, incandescent type bulb??  sorry, i know i'm removing the experimental phase of getting up and starting my own business of this DIYer's dream, but from one aspiring soul to another would you help make this go a lot smoother by adding more input on this matter (of lighting)? 
      i read somewhere the best is using direct sunlight for approx 7 min will achieve the best results.  this of-course seems to be the most environmentally friendly way, but this seems to be uncontrolled and possibly more left to the whim of nature and all its glorious mishaps (i.e. weather, clouds, rain).  but then again, who's to say this is actually totally foolproof??  a full 7 minutes seems to be within one's own command, if all the business is attended to properly in a methodical sort of way.  ok, enough of me thinking out loud.  so, please, if you will.  more details of the lighting you're using for your makeshift "darkroom."  or, would "lightroom" fit more appropriately?  idk, i'm sort of new to this "photo emulsion" technique.  i'll need a little firelight to guide me through, until i'll be able to feel my way through the "dark," so to speak.  --having found my own zen in the art of screen printing.

thanks much for this rather informative tidbit.  power to the people!!!

incandescent light bulb 150W

12-16” from screen

glass on top


25 mins set time

malouz1 year ago
wow…this is really ghetto ( not saying useless or unable to work but still…wow )
the best way to do it is side by side with a plier on the opposite side this step should really be done with a lot of care the tension is not supposed to be the same if it's a big or a small screen in the industrial world they mesure the force of tension in newtons of course one cannot always do that in it's own workshop/home…
Thaikarl2 years ago
sorry, but i'm a bit confused. speedball photoemulsion etc comes as a gooey globby stuff in a bottle, and a little teeny bottle of "sensitizer". you mix them and it becomes photo sensitive. are you saying that when you mix water with dry potassium dichromate, it becomes light sensitive?

then you are mixing it with PVA (poly vinyl acetate -- elmers) glue to work as the gooey gloppy stuff? so the combination of (water+potassium dichromate) + PVA glue = a photo sensitive emulsion that you can spread on your screen, just like the speedball etc stuff? then expose with a mask when you wash it, the un-exposed mixture washes out and you have your screen.

i'm in thailand at the moment, up country, and i'm not going to find speedball or other commercial products, but i *might* be able to find chemicals. thanks.
lucek2 years ago
Just as a reminder proper handling and disposal should be taken into account. Don't just dump the stuff. It is strong oxidant and contains heavy metals.
lucek lucek2 years ago
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=6&ved=0CE8QFjAF&url=http%3A%2F%2Fnj.gov%2Fhealth%2Feoh%2Frtkweb%2Fdocuments%2Ffs%2F1561.pdf&ei=i9sgT73SJKrn0QHsj7H0CA&usg=AFQjCNGYwZ0u_2h7tNjG2yndnXEbRccZBQ&sig2=IynCVP7LUDGv1q0Q926kQg
I'm curious about exposure time and clean-up. Could you shed some like on this?
ca you help me?what's wrong of my work after i exposed my work in to the light my design was destro.
rufflesdog3 years ago
You can use laminating pouches. Laminating pouches are 9 x 12 and I cut them to 8.5 x 11 to go through the printer. After you cut them, you have 2 sheets. Feed the rough side (which has the glue) through your manual tray on your printer. Grab the sheet as it comes through the printer and keep it straight or it will curl upon itself.
nhito_193 years ago
ahhmmm... sir gregr can i use a regular bond paper? to transfer the image to silk screen already with emulsion... right? im a firstimer only for this action thats why i want to get a lot of tips...^_^
beanco3 years ago
hi,

so, i have never silk screend with emulsion. We just use wood glue. it works great for simple designs, but not so well for intricate one.

also we have had budget cuts (i have been doing this with students at the hs i teach at-) so we have to start reusing screens.... so, if we switch to emulsion we can wash it out with bleach? i have no idea what vallum is and since i live in hungary i cannot stop off at the shops you mentioned.

Making our own emulsion and reusing the screens would save us a ton of money....

thanks

rob

 Is it legal to take things from the internet (i.e. storm trooper) and put it on clothing?
It's illegal to take copyrighted or trademarked material and resell it without paying out royalties (I think...)

so long as you're not reselling anything, you'll be ok
Potassium Dichromate is it as dependable as speedball emulsion or other manufacturers, I do not mind the hazards that are involved to save some money.. Although the end results is what I am more concerned on..
why not buy emulsion ? dickblick.com - speedball diazo emulsion kit $20 + shipping google "screenprinting supplies" etc.
slimguy379 (author)  grok the wowness5 years ago
because if u read i can make like 10x as much for the same price
True... I bought 10$ worth of potassium dichromate, and maybe total of $10 worth of glue and I've already made twice as much as one of those speedball kits can make... and I've barely made a dent in my potassium supply. at least 10x more
zidakano4 years ago
Does anyone think that this could be used to make pre-sensitized pcb boards to make a resist to etch them. if so I think it could be cost effective as those boards a quite a bit more. dunno an idea I had while reading this ible.
a photography friend of mine used some of my photo emulsion I made with this recipe for dichromate printing... I believe the store I bought this stuff from sells it for wood staining? so I'm sure there are many applications you could use it for... anything you need light sensitivity.
GasherMan4 years ago

 

Check this out . Potassium dichromate 

Martin and Pleasance Hayfever Relief - Oral Spray


Product Description

- 25ml oral spray

This homoeopathic medicine has been prepared by traditional methods for the temporary relief of symptoms associated with: 
- Itchy eyes and nose 
- Antihistamine reaction 
- Runny eyes and nose 
- Sneezing 
- Catarrh (mucus blockage or discharge often caused by swelling of mucous membranes and by excess mucus)

Ingredients:
Potassium dichromate (Kali bich) 12X
Schoenocaulon officinale (Sabadila) 6X
Potassium Sulfate (Kali sulph) 6X
Sodium chloride (Nat mur) 6X
Phleum pratense 12X
Euphrasis officinalis 6X
Allium cepa 6X
Histamine dihydrochloride 60X

!! holy cow... that can't be good for ya
awsmanna5 years ago
How far away is your lamp from your screen? I was trying to do this with the sun, but a thin layer of emulsion completely rinsed away after 30 min, and a slightly thicker layer wouldn't rinse out after 30 min. I'm going to start over again tomorrow and do a full screen of test exposure times to nail it down.
slimguy379 (author)  awsmanna5 years ago
idk haven't done this in a long time, i bet a matter of a foot or so
not to be mean, but along came the bigger fish (in the ecology of the world of instructables): http://www.instructables.com/id/Photo-emulsion-Screen-Printing/step1/Gather-your-materials/

the author explains 150w incandescent no less.

so that ans the question i sought.

but not to shame, i could have never found a better stepping stone than your personal instructable.  without it, i would have never found the bigger fish, so to speak.  sorry i speak in eternal signs and metaphors.  bear with my charades.
This is actually only for the Speedball Diazo emulsion system.  Not for homemade emulsion, so it might not work for all emulsions.  What she has listed is taken verbatim from the Speedball diazo photo-emulsion system instructions.  So, if you are making this emulsion yourself from this instructable, the link listed above may not work.  So keep trying!!  You'll get it.  I'm going to try making my own next week when my supplies arrive, so we shall see!!!
diss0nance5 years ago
I found potassium at a local store that sells pigments and supplies for woodworking (kamapigment.com). 1/8 lb is $5.65 which is enough for me for now, I don't really need a whole pound.

since I don't have a scale I am using cooking conversions to figure out how much potassium to mix with water and so on... so assuming the potassium has about the density of salt or sugar, I'm going to mix 1Tablespoon (level not heaping) of potassium with 4 oz of water. (http://www.onlineconversion.com/weight_volume_cooking.htm)

and because one bottle of elmers glue is 4 oz, I'm going to mix slightly less than 1 oz (should be .8 oz) of the potassium/water solution with two bottles of glue.

that should be enough to try with a few screens... if it doesnt work I havent wasted too much money and can adjust the emulsion stronger/weaker next round.

thanks for the great tutorial and info about this potassium mixture... I've been doing screen printing for about 6 years and the emulsion bit has always been an obstacle. and I've read tons of different diy/cheap tutorials and info online and this is the first time anyone has mentioned making your own emulsion like this.

cheers!
slimguy379 (author)  diss0nance5 years ago
thanks guy appreciate the words of encouragement, your welcome, and good uck post some pics when your done or complete either a screen or shirt
ok my first batch of emulsion didnt work out... I bought cheap white school glue from the dollar store, and some of it was lumpy so didnt mix right - was washing out of the screen too easily. so then I got some Elmers glue (only to be sure of the quality - it was the same price anyhow) I mixed 1 1/2 tsp of potassium with 1/4 cup water... then added 1 1/4 cup of glue. this was enough to coat 6 16"x20" screens. I burned them at about 12" with a 200w bulb for 30 minutes. 20 minutes wasnt long enough. Washing out the screens is a bit tricky, too much pressure and it's game over. eventually found the right pressure and got a couple perfect screens. the only sad part of this glue based emulsion though is that it gets sticky when I rinse out the ink after a run, and then I have to wait half an hour for the emulsion to dry again.
How about using woodglue from Ace. They have the waterproof one.
Would this actually work?  The water-proof glue?  I'm going to try to make this myself.  SPEEDBALL is really expensive!
kmiller84 years ago
Would the safer Ammonium Dichromate work instead of Potassium Dichromate?
KenoshaKid5 years ago
I live in Europe and we don't have Elmer's Glue here. What kind of glue is it? Could you copy the list of ingredients on the package if there is any so i can go look for a similar glue that i can buy here?
 PVA glue.white school glue.
slimguy379 (author)  KenoshaKid5 years ago
wood glue in general or papercraft glue...same stuff... er for this project at least
woody_pato5 years ago
hey i just did this today and it turned out great, thanks btw the fabric i bought was called chiffon if that helps anybody.
ampeyro5 years ago
well, it was impossible to find the photosensitive emulsion, using liquid latex and a positive stencil could be a good idea?
gregr5 years ago
You can actually use regular printer paper for the "transparency". Just put a little bit of cooking or mineral oil on the paper spread it around and clean up the excess with a towel.
dannown5 years ago
I can't find a supplier of Potassium Dichromate. Any advice?
dannown dannown5 years ago
checking this new-fangled Internet, i bought a pound of it, to be mailed to me, for $16 shipping included.
I did a google search for it in the shopping section and came up with several places including ebay and "the science company." Looks like a pound on e-bay is about $20.
*ahem* well done, awsmanna. to self:next time, use the Internet to find the product or services i need. thanks :-D
slimguy379 (author)  dannown5 years ago
yeah i got mine from ebay, i recommend finding the safety tips when working with this chemical. hope you have fun with it
griz47055 years ago
Where can we get these designs?
slimguy379 (author)  griz47055 years ago
google them man, the internet is a great source. however i am an artist and a few here are my own designs... so
coask8b5 years ago
another way i have used in the past is to stretch mesh-fabric in an embroidery hoop, instead of going thru the process of making a screen.
slimguy379 (author)  coask8b5 years ago
yeah but thes are smaller and suck when applying the emulsion
grj05 years ago
I think you meant to say 1lb=453 grams!
(453.59237g)
Tobita grj05 years ago
454, it's atleast 5 tenths, so rounded up i think
how do you measure 10 parts elmers glue?
slimguy379 (author)  joeyisforlovers5 years ago
(removed by author or community request)
um. yeah. i have a feeling that was not a yes or no question. to "joeyisforlovers" there will be 5 times as much elmers glue as water. 2 cups water + 10 cups elmers glue 1 tbsp water + 5tbsp glue.
slimguy379 (author)  Father Christmas5 years ago
awh yes, sorry my dyslexia kicked in. but Father Cristmas did a decent job explaining thanks, again i am sorry
finch5 years ago
...or, for about $2, you could buy a tile squeegee from Home Depot...they are EXACTLY the same as screen printing squeegees
slimguy379 (author)  finch5 years ago
really? thanks for the heads up
imbrwn25 years ago
You can also just print it out on cheap thin inkjet paper. You can turn the paper translucent by rubbing some vegetable oil on it. The vegetable oil will not hurt anything but it will turn the paper translucent.
lzp5 years ago
Potassium Dichromate is part of the chromium compounds. These compounds have been linked to very high rates of cancer.

Lets look for a hobby that wont kill me faster. Power tools are bad enough.

http://en.wikipedia.org/wiki/Potassium_dichromate

Are store bought emulsions this toxic too?
Maybe stone tablets are my only option.
slimguy379 (author)  lzp5 years ago
yes, hence the WARNING TOXIC CHEMICALS.... i already know but if you were protection and in a ventilated room you should be alright.
Chad_185 years ago
Check out your local Dollar store. They often sell vellum for scrap booking. You usually get 20 sheets for $1.
hivoltage6 years ago
how well does the elmers glue stand up to repeated use? since it is water soluble is the glue dissolving a problem? i saw that other people used the mod podge when they hand painted it on the screen but will the potassium dichromate work with it as well? i saw some sites said to use wood glue also so i may give that a try.
slimguy379 (author)  hivoltage6 years ago
my screens have gone through many prints... and still %100. some times the elmer's glue screws up and is All washed out but only if you mess up the ratio of elmer's glue to sensitize but if followed right u shouldn't screw up. I thought trying the mod podge would work but i guess not thanks for posting the link... you saved me a whole lot of work...
no problem. just finished washing out my first screen and i have discovered that elmer's wood glue works well. also, 15-20 min of direct afternoon sunlight in socal is way too long haha. the exposed sections start turning dark almost immediately and after 15 minutes or so even the parts under the design becomes very hard to wash out. i couldnt get out all of the unexposed emulsion so my screen lost a lot of detail. will try again with maybe 10 minutes of exposure i think.
slimguy379 (author)  hivoltage6 years ago
i've tried the sunlight as you did, and i found out the hard way as well i found that the sun does the job in almost 5 minutes for me. my emulsion is not exact to the concoction listed, so maybe there's a difference there i try to put as much ditromate in as possible, but allowing it to desolved, so its not all grainy. I also want to try adding cornstarch. seems as though its a good idea. so please post some picture of any, and everything you can get a picture of. I'm curious the specifics on the glue you used elaberate a little mor on it. post a picture of the bottle of glue if desired. but thanks for all the help with this subject.
i just washed out my screen after my second try and the results are soo much better than my first one. i left it in the sun for only about 3 minutes because it is so hot today and the emulsion washed out of the screen quickly without any problem. the screen retained almost all of the detail of the detail in the design. im really impressed with it. i used some translucent vellum as well because it was like ten bucks for 50 where transparency was like 30 bucks for 50. i think i could even get better quality if i got a piece of glass to hold down the vellum, since i'm just using tape right now. i added some cornstarch to this batch but i'm not sure it really made a difference? i did notice more pinholes in the screen, but maybe i just didnt notice them as much before with the other screen. the glue is elmers brand carpenter glue i found at lowes. the site i posted above recommended it so i thought i would give it a try. it was also cheaper than all the other glues haha i'll post some pictures i havent printed anything with the screen yet though.
pic2.jpgpic1.jpgpic3.jpg
slimguy379 (author)  hivoltage6 years ago
the vellum, were you able to print on it with a printer, or did you draw on it? I also am looking for a cheap alternative to transparencys too. and your right they are very expensive, that's why I draw the majority of my designs.
i bought vellum that said on the package it would work with a laser printer so i printed on it. i actually doubled up and printed it twice then taped the two together to make the design darker.
slimguy379 (author)  hivoltage6 years ago
hate to do this, but could you post a picture of them . and Where did you buy them?
slimguy379 (author)  slimguy3796 years ago
incase i haven't said this, i truly appreciate you helping ME and whom ever else reads these and is guided on how to achieve perfection so thanks.
slimguy379 (author)  slimguy3796 years ago
also on your link it says there's no way to clean the screen after hate glue dries. that's wrong i just got done cleaning 4-5 screens with bleach. yeah leach, i hate working with it as well but it beats re stretching the screen, so just a word to the wise.
hey no problem i have always wanted to learn how to screen print things. as far as the vellum, i cut up the front of the package to make little scoops to get dichromate out of the bottle carefully, so a picture probably wouldnt help much :) but i bought it at staples. it was a package of 50 sheets, and it said it was for laser printers. they also had packs that said that they were inkjet compatible. it seems to work great as far as i can tell. the package was blue, it may have been staples brand, and it was ten dollars. im not really sure if doubling them is necessary, i havent tried just a single sheet yet. i wish i knew bleach would clean the screens, i spent forever pulling out staples and restretching screen yesterday...
slimguy379 (author)  hivoltage5 years ago
i bought the vellum and they work %100 better than my hand drawn art, thanks for the heads up...
yeah ive had some great results with the vellum. doubling up the sheets doesnt seem to be necessary, one layer is opaque enough to et a good exposure. now i just need some good shirt designs! seems like i had a million ideas before i actually made the screens and bought the supplies but im drawing a blank now haha. made one with my avatar picture (me) on it but i didnt actually make any shirts. i did make my friend a shirt with his own face on it though. this technique captures way more detail than i thought it would. i still get a kick out of lifting the screen and seeing a perfectly printed copy of my design.
Dover publishing has tons of copyright free designs that you can tweak to your own satisfaction or use as is. There are also a number of books out there that are designs for crafters that are also copyright free.
slimguy379 (author)  hivoltage5 years ago
yeah, if you need some designs spreadshirt.com helps me in times of need. and yeah i found only 1 sheet is required as well.
i guess i answered my own question. this site says that mod podge mixed with dichromate will cure without being exposed and will not work for screen printing unless it is painted on by hand. it does say any white glue or wood glue will work unless it is and "exterior" or "all weather" type glue. interestingly it also suggests mixing in some cornstarch to thicken it, which i may try.
naw duder5 years ago
in a pinch you can make a squeegee out of a piece of wood about 1/2" thick wrapped a couple of times in packing tape. also, regular printer paper brushed with veggie oil works as well as transparency paper.
I've been using the really neat plastic thingees that Bondo makes for applying their product to cars. They come in 3 sizes at any auto parts store. However, I am using thickened dye, not paint and we tend to "scrub" the dye in, back & forth several times, not just one pull. I have also used defunct credit cards as a squeegee and even some plastic applicators for applying sheetrock mud. I did have to scrape the corners of them once or two on the concrete floor to slightly round the corners so they wouldn't snag or tear the screens.
huh i may have to try that. the vellum i bought prints terribly with the printer i have for some reason. it was marketed as laser printable but the toner just doesnt adhere to it well at all. it prints well to another brand of vellum i had lying around but i dont have much of it left...
CIMG1599.JPGCIMG1594.JPG
slimguy379 (author)  naw duder5 years ago
wow cool thanks, never thought of the olive oil thing, again thanks
hivoltage5 years ago
just finished a few new shirts and i thought i would post the results. i combined this instructable with fungus amongus' great discharge paste instructable. i accidentally wasnt paying attention to how i put the transparency on the screen and ended up with a left handed guitar, but i think it turned out well.
CIMG1599.JPGCIMG1594.JPG
slimguy379 (author)  hivoltage5 years ago
where did you get your designs? did you make them? using what program? maybe a new instructable? but thanks for posting glad everything worked out for you. i currently figured out how to color separate pictures/ designs. i'll post a shirt soon... great work though, keep it up!!!
i made both designs myself, although i made the right one with some help from my friend. i used adobe illustrator although im sure inkscape would probably work just as well. im just used to illustrator and photoshop. i didnt have any program to seperate the colors, i just did it by hand. not too dificult with a two layer design, but could be difficult with more layers/colors. im not sure i could get a whole instructable fout of making the design, i basically just found free vector illustrations availabe as samples from stock art sites as samples and combined them. i used illustrators livetrace tool to vectorize a picture of a guitar. i can post the designs for these shirts if you want.
slimguy379 (author)  hivoltage5 years ago
if you have time to post that would be great, but it would more likely be for everybody else, due to being over whelmed with my own design. however you said "vector illustrations available as samples from stock art sites as samples" any link you can post? thanks again and beautiful job!!!
heres the image files for my shirt designs. i made them svg to maximize compatibility with vector grapics programs besides illustrator. just kind of off the top of my head vecteezy has some free vector art available. search google for free vector, or create your own by tracing photos, either by hand or with illustrator's handy livetrace. i don't know if inkscape or similar programs have something similar? hows that staples vellum workin out for you? my laser printer has a awful time printing to it even though it said it was laser printable. i got a few good prints but most of them turn out bad with the toner stuck all over the place where its not supposed to be... i dont know if its just my printer, but it seems to print well to some more plasticy vellum i found in a drawer at my house.
wingsk.svg(1355x1101) 830 KB
wingsw.svg(1355x1101) 1 MB
skulldesign.svg(994x768) 289 KB
blfr5 years ago
I am a screen printer, and use the professional equipment... When I print, if I have just a small amount of a mistake, the clients notice and will not buy the shirts, but doing it this way is probably still fun, and your friends might think you're awesome, and buy your shirts =P I might actually try this out sometime

I have 2 questions though...
1. how do you cure your ink? (I'm assuming it is fabric ink you are using, such as plastisol)

2. after you have printed your design, with your homemade emulsion, how do you go about reclaiming the screen, or in other words, removing the emulsion off the screen?
slimguy379 (author)  blfr5 years ago
1. I use an iron, as directed on the label of my speed ball paints. 2.. bleach. put it on the screen and let it sit, then spray it with a hose. works %100. btw, i am yet to nail the right amount of everything to make my screens %100, but soon I should NOT have mistakes.... but thanks for posting
slimguy379 (author)  slimguy3795 years ago
also I haven't mad shirts for anyone (as a customer) so I really haven't been denied etc...
kperkins6 years ago
What size (wattage) bulb do you use?
slimguy379 (author)  kperkins6 years ago
150w, step 5, 2nd picture. good job genious!!!
It's genius genius. There is a spellchecker here.
Thanks, though, I missed that. I try to look for information in the actual instructions.
slimguy379 (author)  kperkins6 years ago
wise choice my friend, lol
Fat Bagel6 years ago
I saw that starwars pic stenciled on a bin.
slimguy379 (author)  Fat Bagel6 years ago
yeah some of my favorite sites are stencils sites
how are you disposing of the leftover paste? The Potassium Dichromate is extremely bad for the environment. Never dump any of this down the drain. If you really want to handle this stuff right the waste should be classified as hazardous waste and taken care of accordingly.
dchall86 years ago
This is good. I used a very large embroidery hoop and painted a negative Mod Podge picture of my daughter on the same mesh from Wally's. It worked very well. For the finished product I used black house paint on white fabric and squeegeed with an expired gift card. I did that once and vowed to not do it again until I had a fast way to put the complicated design on the screen. Your use of potassium dichromate with Mod Podge looks like the solution. I have always thought that Mod Podge and Elmer's were the same stuff. For all the practical purposes I can think of, they are interchangeable.
from what I know Mod Podge is not water soluble where as Elmer's glue is.
slimguy379 (author)  PyromaniacDaniel6 years ago
you know i feel as though i'll give mod podge a try, I'll get back to all of you on that....
Great Instructable!! I found the formula for the sensitizer on the web a while back and have been meaning to try it. Nice to know it will work. What type of paint do you use? Does anyone know if the expensive screen printing paint is worth it or if there is a cheaper alternative? Maybe another DIY solution? What is the shelf life of the dry Potassium Dichromate?
slimguy379 (author)  PyromaniacDaniel6 years ago
well in desperation ive been using the "puffy" fabric paint from walmart for $.97 and so far ive done 2-3 shirts with it and it seems to work fine
andycyca6 years ago
Cool. I don't have easy access to pre-made solutions around here, but I can order these chemicals. Will try and post results
slimguy379 (author)  andycyca6 years ago
hey, i would love to see results... some time soon ill update a part on me using mod podge.... hopefully it stands up better than elmer's
Jeebiss6 years ago
This can be exposed in the sun, right?
slimguy379 (author)  Jeebiss6 years ago
yeah, but even more tests will have to be done to get the right exposer time.. etc. but yes
Is there a more efficient way of doing it?
slimguy379 (author)  Jeebiss6 years ago
only thing i could tell you is depending on the hour different, angles to set the screen on will give better results, but all in all you better off buying a $8 lamp. what are you going to do at night time?
hivoltage6 years ago
wow thanks for this instructable! i have been thinking about doing some screen printing, but commercial emulsions and screen printing supplies cost so much. i will definitely give the potassium dichromate+elmers glue emulsion a go.
slimguy379 (author)  hivoltage6 years ago
as brought out by the comments you can also use mod podge, instead of elmers, good luck on your screen printing trek
bought some potassium dichromate, screen and ink. also got some discharge paste, since another instructable about that looked interesting. i'll post my results later unless it turns out awful haha. i'm running out of time before school starts but hopefully i can play around with this later this week.
HuggyBear6 years ago
Actually there is a difference between a car squeegee and the screen printing squeegee. The professional ones are much much firmer, and force the ink through the screen for a cleaner print. When I first tried to use a car squeegee, my prints kept turning out with smudges... Then I used our shower squeegee which is much harder than the car one, and it worked way better.
slimguy379 (author)  HuggyBear6 years ago
screw that for the price I'll use my car squeegee over a "pro" squeegee any day. but whatever...
9995926 years ago
Way to go! I'm impressed, I have seen and used a slightly different method using house paint and tracing your pattern on to the "silk" and painting over the areas that you don"t want the ink to go through. You get some fairly good results as you can see from the photo i have attached. The red is where i have Printed through the screen and the cream is the house paint it is fairly thick in my opinion does an excellent job at screen printing. Oh and i cut it out of the frame thats why it looks weird, the upper right hand corner tore.
CIMG1158.JPG
slimguy379 (author)  9995926 years ago
u use hodge podge right?
Mod podge but no i use house paint, just regular latex house paint.
999592 9995926 years ago
Same process though
slimguy379 (author)  slimguy3796 years ago