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Forum index » Science and Technology » Chem » Coatings
High-temp binder for gelatine-based coating?
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Daniel J. Stern
science forum beginner


Joined: 15 May 2005
Posts: 4

PostPosted: Sat Sep 10, 2005 8:25 pm    Post subject: High-temp binder for gelatine-based coating? Reply with quote

Got a formula, published in the UK in 1970, for an
infrared-pass/visible-block coating intended for flashbulbs, as follows:

Eosin 2524, 60 grains
Tartrazine N. 250, 88 grains
Coomassie Violet RS, 60 grains
Lissamine Green, 146 grains
Gelatin (hard), 200g
Glycerin, 100cc

I want to use such an IR-block coating on a lighting device that gets and
stays hotter, longer than a flashbulb. Can anyone suggest a binder other
than "Gelatin (hard)"?

DS (...Sodium Silicate...?)
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