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how to make glass out of sand? Answered

what will i use to melt it? what will i use as a crucible? what will it turn out as? is it even possible?

14 Replies

user
steveastrouk (author)2009-08-15

What do your researches on Google say ? Its been "possible" for at least 4000 years.

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sharlston (author)steveastrouk2009-08-15

ok will you answer the rest of the questions please? :)

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kelseymh (author)sharlston2009-08-15

Why don't you answer them yourself. Google and Wikipedia both have information at the basic level you need.

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kelseymh (author)sharlston2009-08-16

Not much, apparently. How hard is it to type "glass" into Wikipedia?

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

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steveastrouk (author)sharlston2009-08-15

In the glass melting experiments I've been involved in, the usual crucibles are made of SOLID platinum ! A fused silica crucible will work. You need a furnace capable of around 1600 C, though a sodalime glass will melt at about 1500C

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lemonie (author)steveastrouk2009-08-15

Fused silica is "something else", I remember a display cabinet in my chemistry dept etc........... L

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steveastrouk (author)lemonie2009-08-15

Just spent a week in Germany melting glass ! We used Boron Nitride and graphite crucibles for that - and NO oxygen. Some weird high temperature chemistry going on in the furnace atmosphere that I didn't understand.

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lemonie (author)steveastrouk2009-08-15

Ooh that sounds fun. Molten boron is something else again (as I understand it)?

L

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user

I'm not even going to answer this becasue it is going to be code red dangerous not to mention you probaly dont have a furnace that hot and you cant light a huge bonfire in your yard now can you...lol?

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user

There's a very neat tiny furnace in the current copy of make, which can probably fuse glass.

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lemonie (author)2009-08-15

You need to mix sand with other stuff like lime and borax, and you need a serious amount of heat. The other answers are good: this information is searchable (but I'm just going off a big list in my head...)

L

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