NPPN-638S Phenolic Novolac Epoxy Resin

NPPN-638S is a high-performance phenolic novolac epoxy resin offering superior heat resistance, chemical stability, and adhesion. Ideal for laminates, composites, and industrial applications.

Category: Brand:

Description

Key Features:

  • 3.6 epoxy groups per molecule (vs 2 in standard BPA-based resins)

  • Excellent elevated temperature performance

  • Superior chemical resistance and adhesion

  • Tightly cross-linked cured systems

Specifications:

Property Value Unit
Physical State Semi-Solid
Epoxy Equivalent Weight 170-190 g/eq
Color (Gardner) ≤3.0
Solution Viscosity H-J 25°C

Technical Details:

  • CAS Number: 9003-35-4 (Phenolic Novolac Epoxy Resin)

  • Standard Package: 25kg/drum

  • Storage: 12+ months in sealed containers at ambient temperature

  • Ships within 7 days

Applications:
✓ Laminates
✓ Civil engineering materials
✓ Filament winding
✓ Composite materials

Safety Information:
May cause skin and eye irritation. In case of contact:

  • Skin: Wash immediately with soap and water

  • Eyes: Flush with water for 15 minutes and seek medical attention