Low-Viscosity Phenolic Novolac Epoxy Resin HWR-625 For Heat-Resistant Adhesives Materials
A low-viscosity Novolac Epoxy Resin HWR-625 suitable for heat-resistant adhesives composite materials
Technical Data Sheet
Product name:Novolac Epoxy Resin HWR-625
Features: HWR-625 is a low-viscosity phenolic epoxy resin containing multifunctional resin groups with excellent bond strength, heat resistance and chemical resistance.
Sale Specification & Typical Properties:
| Item | Specification |
| Epoxy equivalent weight (g/eq) | 168~178 |
| Viscosity (mPa ．s /25℃) | 20000～26000 |
| Color(Gardner) | 1.0 Max. |
| Hydrolyzable chlorine (ppm) | 300 Max. |
| Appearance | Transparent without impurity |
| Volatile(ppm) | <500 |
Application:
Suitable for heat-resistant adhesives, composite materials, high-temperature coatings, electronic laminates, civil engineering.
Storage properties:
It has a shelf life within one year if stored in a cool and dry place.If epoxy resin128 develops a haziness or crystallite on storage, this can be dispersed and the resin can be restored to original state by warming up to 50～60℃, with stirring.
Packing:
200 kg/220kg in iron drum.
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