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 |
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| 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. |