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How do I heatseal a polythene bag at home after storing things in it? Answered

On various accasions it becomes necessarry to seal polythene/plastic packets after storing things into them.Using simple methods please tell me how I can heatseal the packets at home.

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NachoMahma

9 years ago

. Place the bag in a paperback book so that you have a nice seal. If what you have in the bag is too bulky to fit in a book, use two pieces of lath or similar to "pinch" the end of the bag. Burn the excess off with a Bic lighter. This will melt a seam along the edge of the book/lath. With very little practice, you can get a dust-proof seal.

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VijapaNachoMahma

Answer 9 years ago

I've tried it...good seal but can be done only with solids or powder fills.Moreover the seal itself sometimes turns blakish due to soot formation.With liquid as filling it becomes messy to carry out this method of sealing.Thanks NachoMahma

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VijapaNachoMahma

Answer 9 years ago

I've tried it...good seal but can be done only with solids or powder fills.Moreover the seal itself sometimes turns blakish due to soot formation.With liquid as filling it becomes messy to carry out this method of sealing.Thanks NachoMahma

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lemonie

9 years ago

I agree with purduecer and iron could work well, or any hot piece of metal. You would be advised to place something under and on top of the bag to which it will not stick - I'm a bit short of easy ideas, but some kind of foil or paper perhaps. Getting the temperature right will be the tricky part I should think.

L

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Vijapalemonie

Answer 9 years ago

Thanks.....Got a good instructable and here it is........1.Place the polythelene sheet on top a flat wood or clipboard or some plate which is heat resistant.2.Place a ruler on top of the sheet.3.Run a heated soldering iron along the edge of the ruler on the polythelene sheet.This should neatly seal and cut the seal both at the same time.The job is done.

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lemonieVijapa

Answer 9 years ago

Yes that's a good one - only drawbac is that you get plastic on the soldering iron. Publish it (here)! L

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Vijapalemonie

Answer 9 years ago

I attempted the soldering iron method just today and believe me it wrks just fine.But must say ...this is good only for bags with heavy density....the thinner ones just melts and does not seal well too.

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purduecer

9 years ago

It may be possible to run an iron over the seal...

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Vijapapurduecer

Answer 9 years ago

This will not work.....the polythelene sticks all over the iron and messes up.Thanks anyway