HyPox® RA840

HyPox® RA840

HyPox RA840 is a high viscosity adduct of the diglycidyl ether of Bisphenol A (DGEBA) and a butadiene -acrylonitrile(CTBN) elastomer. The elastomer improves the toughness, impact, thermal shock and peel resistance of the DGEBA resin. These improvements are attained with little loss of thermal resistance and modulus.

Typical Properties Values
EEW, g/eq (reflects mid-point) 340
Viscosity; cps (reflects mid-point) 190,000 @25°C
Elastomer Content, % 40
Color, Max 10 (Gardner)
Flash Point,°C (°F) >200(400)
Weight Per Gallon, @25°C lbs. 8.9 +/-0.1

China SDS Format

GHS Internatl Format

North American Format

Europe (REACH) Format

Application Group Application Description
Adhesives Automotive Mastics Toughener for 1K Epoxy Adhesives. Increases peel strength, fracture toughness, impact resistance, and enhances adhesion to oily surfaces.
Adhesives Automotive Pumpable 1K Epoxy Paste Increases peel and lap sheer strength. Also to improves fracture toughness, impact resistance and oily surface adhesion.
Adhesives Industrial General Use Epoxies Increases peel and lap sheer strength. Also to improves fracture toughness, impact resistance and oily surface adhesion.
Adhesives Industrial Structural Adhesives Provides excellent adhesion to oily metal. Provides good T-peel, lap sheer, environmental aging, and low-temperature adhesion.
Composites General Composites Epoxy Syntactic Foam Increases fracture toughness in anhydride-cured systems.
Composites Advanced Composite Prepregs Increases peel adhesion, fracture toughness and impact resistance.

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