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Phenolic Novolac Epoxy Resin HWR-638 For Tightly Cross-Linked Cured Systems

Basic Properties

Place of Origin:China
Brand Name:Honrepoxy
Certification:ISO14001, RoHS, ISO9001
Model Number:RD-AGE

Trading Properties

Minimum Order Quantity:5tons
Price:USD2.58-3.28/kg
Standard Packaging:180kg/drum
Supply Ability:10,000MT per Month
Specifications
Viscosity: 8-12 MPa·s (25°C) Epoxy Value: 0.32-0.36 Eq/100g
Color: ≤20 APHA Inorganic Chlorine: ≤20 Ppm
Water Content: ≤0.1% CAS No.: 68609-97-2
Highlight

Phenolic Novolac Epoxy Resin

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High Crosslink Density Epoxy Resin

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Heat Resistant Cured System Resin

Product Description

Epoxy Novolac Resins/Phenolic Novolac Epoxy Resin HWR-638 Provides Tightly Cross-Linked Cured Systems

 

General:

Epoxy Novolac Resins HWR-638 is is a Phenol Novolac epoxy resin. HWR-638 is a multifunctional resin that provides good adhesive strength, excellent heat and chemical resistance properties to formulations. Higher viscosity version of HWR-638. Suitable for use in solvent-free applications. It is recommended for use in heat resistant adhesives, composite applications, heat resistant coatings, structural laminates, civil engineering and construction applications, and for castings and moldings. For the composites market, HWR-638 is used to manufacture sporting goods, yachts, automobile parts, etc. It is often cured with various hardeners including: polyamide resins, aromatic polyamines, aliphatic polyamines, and anhydrides.

 

Sale Specification & Typical Properties:

Property Value
Appearance Yellowish, Transparent, Semi-solid
Epoxy equivalent (g/mol) 174-180
Color (Gardner) ≤ 1
Chloride Content (ppm) ≤5
Hydrolyzable Content (ppm) ≤300
Volatile matter (ppm) ≤500
Viscosity ( cps,25°C) H-K

 

Application:

1. Laminates.

2. Civil engineering.

3. Filament winding.

4. Composite

 

Storage properties:

At least 12 months in sealed containers at ambient temperature. The resin should be stored in a dry place in its original closed packaging

 

Handling precautions:

Product may cause skin and eye irritation. In case of skin contact, wash immediately with soap and water. For eyes, flush with plenty of water for 15 minutes and seek medical attention immediately.

 

Packing:

220 kg iron drum.

Contact Details
Wuhan Honrepoxy Co.,Ltd

Contact Person: Ms. Cherry Xie

Tel: +86 186 7297 6718

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