EAROY H3721 Epoxy Resin Hardener
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China [CN] H3721 are modifiedamino-teminated polyoxypropylene adducts intended as curing agents for liquid epoxy resin.
1. Specification:
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H3721 |
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Appearance |
Colorless to yellowish transparent liquid |
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Viscosity (25℃) |
50-100 |
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Gardner |
1 |
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Amine value, mgKOH/g |
300±10 |
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Specific gravity at 25/ 25℃ |
0.95 |
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Flash point (Closed Cup℃) |
157℃ |
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2. Recommended usage: Per 100 parts of liquid epoxy resin having an epoxide Equivalent weight of 190.
H3721 45-50 parts
3. Pot Iife: 25℃
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H3721 |
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Ratio = epoxy resin / curing agent |
100 / 45 |
100/50 |
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Pot life (min) |
100 |
85 |
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Peak exotherm ℃ |
145 |
150 |
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4. Recommended Application:
Electronic insulation encapsulation; Floor surface coating
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