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Ephchlorohydrin Novolac Epoxy Resin High Temperature 638 For Heat Resistance Coatings
Ephchlorohydrin Novolac Epoxy Resin High Temperature 638 For Heat Resistance Coatings
Specifications
Brand Name :
HONREPOXY
Model Number :
638
Place of Origin :
China
MOQ :
5tons
Price :
USD4.1-4.9/kg
Supply Ability :
3000tons per month
Packaging Details :
220kg in iron drums
Main raw material :
Ephchlorohydrin,phenol-formaldehyde
Application :
Heat resistance adhesives, coatings, laminates, composites,PCB inks, potting and encapsulation
Color :
colorless or light Yellow
Appearance :
semi-solid
Description

Novolac Epoxy Resin 638 for heat resistance coatings

Novolac Epoxy Resin (638)

General description

638 is a semi-solid reaction product of epichlorohydrin and phenol-formaldehyde novolac. It has advantageous characteristics of good adhesion strength, excellent heat and chemical resistance because of its multi-functional groups in one molecule fully cross-linked. Therefore, it has excellent physical properties in addition to the basic reactivity of general Epoxy Resin.

Characteristic:

• High viscosity

• High temperature resistance

• Chemical resistance

• Good adhesion strength

• High mechanical strength

Typical applications:

•Heat resistant adhesives

•Hear resistant coatings

•Laminates

•Composite

•PCB inks

•Potting and Encapsulation

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

Storage:

Novolac Epoxy Resin (638) is supplied in bulk or in 220KG tight-head drums. The resin should be stored in dry place in its original closed packaging.

Shelf life is 12 months.

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Ephchlorohydrin Novolac Epoxy Resin High Temperature 638 For Heat Resistance Coatings

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Product Detail
Brand Name :
HONREPOXY
Model Number :
638
Place of Origin :
China
MOQ :
5tons
Price :
USD4.1-4.9/kg
Supply Ability :
3000tons per month
Contact Supplier
Ephchlorohydrin Novolac Epoxy Resin High Temperature 638 For Heat Resistance Coatings

Wuhan Honrel Chemical Technology Co.,Ltd

Active Member
5 Years
hubei, wuhan
Since 2002
Business Type :
Manufacturer, Agent, Exporter
Main Products :
Liquid Epoxy Resin, Solid Epoxy Resin, Polyamide Epoxy Resin
Total Annual :
30,000,000-50,000,000
Employee Number :
40~60
Certification Level :
Active Member
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