WESTCO™ ZDMA Zinc Dimethacrylate CAS# 13189-00-9

WESTCOTM ZDMA is a metallic methacrylate coagent for peroxide vulcanization of polymers.  Unlike many other co-agents like PDM or TMPTA,  WESTCOTM ZDMA enhances the elongation of the vulcanized compound improving its tear strength and flex resistance.  It also significantly improves adhesion between the compound and a substrate, particularly metal, during vulcanization

Packaging – 20 kg paper bag with plastic inner liner

Shelf life – 12 months from date of manufacture


*Melt Point

205°C Min.

*Heat Loss

0.5% Max.

Zinc Content (ZnO)

32.5 – 35.0%


90.0% Min.

*Sieve Residue 150 µm

1.0% Max.

Specific gravity


Acid Number mg KOH/g

5.0 – 15.0

General Information

Typical Value



Physical Form


*Values Reported on Certificate of Analysis

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      • Western Reserve Chemicals
      • 60 S. Seiberling Street
      • Akron, OH 44305

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