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On February 1, 2022, Hexion Holdings Corporation announced that it has completed the sale of its Coatings and Composite businesses, which includes the epoxy specialty resins and base epoxy resins and intermediates product lines, to Westlake Chemical Corporation. For epoxy coatings and composite product inquiries, please contact customer service at or

Durite™ Resin SD-1731


High purity phenolic novolac


SD-1731 is used in epoxy curing and PCB assembly applications

Typical Properties

Property Standard Value Unit Test Method
Appearance Light yellow to amber flakes
Calcium Content AA max 10 ppm
Conductivity max 10 msi
Viscosity 240 – 440 cps cps
Free Phenol Content GC max 1000 ppm
Insoluble Content max 0.05%
Iron Content AA max 10 ppm
Karl Fischer water content max 0.50 %
Potassium Content AA max 5 ppm
Sodium Content AA max 5 ppm
Softening Point 85 - 95°C

Tests are made in accordance with the current Hexion Standard Test Method and are available upon request. The typical properties provided are examples of product attributes and may not be tested.

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