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#11
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and on a side note, I have a fatty roll of polypropylene, which is fairly heat-resistant.. its got to be maybe 2 mils thick, so i imagine ill lose hardly any light through it, but i cant seem to find any info on it anywhere.. dont really want to buy a light meter either..
anyone know anything about this?
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Jackie Treehorn... treats objects... like women... man.. |
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#12
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DO NOT USE PLASTIC. If your fan fails it will melt/distort. Pyrex is available in tube form almost every diameter imaginable. any scientific glass/instrument maker will cut you a length to order in the size of your choice. Guide price for a 20" length at 8" diameter-£12-15.
Polypropelene is just plain wrong. use it for waterproofing.
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Psyclone |
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#14
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Certainly any that use glass, will be using boro. Someone on rollitup is building a cool tube using a Pyrex "baking cylinder" ($10)- also contemplate Pyrex cylindrical fluid measures. hope that helps
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Psyclone |
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#17
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you have to pay extra for windows/glass that filter out "bad" sunlight. any heat tempered glass should do the trick.
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| Tags: glass, reflector |
| Tags |
| glass, kind, reflector |
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