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D.E.R. 331
Liquid Epoxy Resin
D.E.R.™ 331™ Liquid Epoxy Resin is a liquid reaction product of epichlorohydrin and bisphenol A.
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Product Detail


Property(1)ValueMethod
Epoxide Equivalent Weight (g/eq) 182 – 192ASTM D-1652
Epoxide Percentage (%)22.4 – 23.6ASTM D-1652
Epoxide Group Content (mmol/kg)5200 – 5500ASTM D-1652
Color (Platinum Cobalt)75 Max.ASTM D-1209
Viscosity @ 25°C (mPa•s)11000 – 14000ASTM D-445
Hydrolyzable Chloride Content (ppm)500 Max. ASTM D-1726
Water Content (ppm) 700 Max. ASTM E-203
Density @ 25°C (g/ml)1.16 ASTM D-4052
Epichlorohydrin Content (ppm) 5 Max. DowM 101321
Shelf Life (Months) 24

(1) Typical properties, not to be construed as specifications.

Introduction

D.E.R. 331 Epoxy Resin is the most widely used general purpose liquid epoxy resin. It is recognized as the standard from which many variations have been developed.

A wide variety of curing agents is available to cure liquid epoxy resins at ambient conditions. The most frequently used are aliphatic polyamines, polyamides, amidoamines, cycloaliphatic amines and modified versions of these curing agents. Curing may also be done at an elevated temperature to improve selected properties such as chemical resistance and glass transition temperature. If anhydride or catalytic curing agents are employed, elevated temperature cures are necessary and long post-cures are required to develop full end properties.

Typical Applications

This product is suitable for use in applications such as:
Automotive

Casting and Tooling

Civil Engineering

Composites

Automotive Coatings

Can and Coil Coatings

Marine and Protective Coatings

Photocure Industrial Coatings

Potting and Encapsulation


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We cooperate with multiple well-known domestic suppliers

Evergreenchemicals Co-branding

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Our products have passed various industry certifications

Evergreenchemicals Qualification Certificate

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