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EPIKURE™ Curing Agent 3289


EPIKURE Curing Agent 3289 is a solvent-free, highly reactive, modified aliphatic amine that gives high gloss, high clarity films with liquid epoxy resins (e.g., EPON™ Resin 828). It gives good cure response at low temperatures and provides superior blush-resistance.   With standard Bis-A epoxy liquid resins, it offers good resistance to water, inorganic acids and bases.  Chemical resistance can be increased by combining with Bis-F epoxy resins like EPON Resin 863 or with epoxy phenolic novolac resins like EPON Resin 161. EPIKURE 3289 is not recommended for strong solvent- or organic acid exposure. It can also be used as an accelerator for moderately reactive curing agents like polyamidoamines and cycloaliphatic amines.


• Good cure at low temperatures (40 – 50 °F)
• Improved blush-resistance relative to highly reactive amines
• High gloss films with EPON Resin 828

Sales Specification

Property Standard Value Unit Test Method
Color 2 max. Gardner ASTM D1544
Amine Value 370 - 410 mg KOH/g ASTM D2896
Viscosity at 25°C, Brookfield 100 - 200 cP ASTM D2196

Typical Properties

Property Standard Value Unit Test Method
Density at 25°C 8.26 lb/gal ASTM D1475
Amine Hydrogen Equivalent Weight 75 eq/g ASTM D2196
Shyodu Gel Time at 25°C 15 (40 PHR with EPON 828) minutes Shyodu gel time

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