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| Epoxy equivalent | 184~190g/eq | ||||
|---|---|---|---|---|---|
NPEL-128 is a high-purity bisphenol-A type liquid epoxy resin. When cured with polyamine or polyamide hardeners, it exhibits excellent mechanical strength, chemical resistance, and heat resistance.
Chemical Composition:
Bisphenol A-type glycidyl ether resin
Basic Resin Properties:
| Item | Property | Unit | Specification |
|---|---|---|---|
| 1 | Appearance | — | Liquid |
| 2 | Epoxy Equivalent | g/eq | 184–190 |
| 3 | Color | Gardner | 0.0–1.0 |
| 4 | Hydrolyzable Chloride | ppm | ≤1000 |
| 5 | Viscosity | cps @ 25℃ | 12,000–15,000 |
Viscosity-Temperature Curve:
Please refer to datasheet for the viscosity vs. temperature profile.
Applications:
Encapsulation materials, laminated boards, civil flooring, mold applications, adhesives, and coatings.
Shelf Life:
12 months at room temperature under sealed conditions. If slight cloudiness or crystallization occurs, heating to 50–60℃ with stirring will restore the original state.
Safety Precautions:
The resin may cause skin or eye irritation. In case of skin contact, wash immediately with water and soap. In case of eye contact, rinse thoroughly with plenty of water for 15 minutes and seek medical attention.





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Henan Water Ring Industrial Co., Ltd