Heat Resistant Novolac Epoxy Resin 638 for Paints Adhesives Plastic Sealing Andf Casting Materials

Min.Order: 1,000
Product origin: Wuhan, Hubei, China
Infringement complaint: complaintComplaint
US$ 3.59 ~ 3.99

Description
 
Product Description

Product Name: Epoxy Resin 638
Quality Standard: Tech grade
Description: Epoxy resin 638 is a semi-solid reaction product of epi chlorohydrin 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
 
The physical and chemical properties 
 
Test ItemSpecification
Appearance
Yellowish, Transparent, Semi-solid
Color ,G1max
Volatile Matter(ppm)500max
Epoxy Equivalent,g/eq
174-180
Chlo ride Content (ppm)
5max
Hydrolyzable Content (ppm)
 
≤300
Viscosity(cps,25°C)
H-K
Characteristics:
High viscosity
High temperature resistance
Chemical resistance
Good adhesion strength
High mechanical strength
 
Typical applications:
Heat resistant adhesives
Heat resistant Coatings
Laminates
Composite
PCB inks
Potting and Encapsulation
Storage and packaging
Stored in a cool and dry place with ventilation and can be sealed for 12 months.
Package:220kg or 240kg in iron drum.
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1.Samples---Free samples available for testing
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