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WESTCO™ 200-AD SPECIALTY GRADE MAGNESIUM OXIDE CAS# 1309-48-4

WESTCO 200-AD is a high purity, highly reactive grade of magnesium oxide made from magnesium chloride brine. WESTCO 200-AD is used as a scorch retarder in a variety of elastomers including chloroprene, chlorosulfonated polyethylene and fluoroelastomers.  WESTCO 200-AD is also used as a thickener in sheet molding compounds and an acid acceptor in halogenated polymers.

Packaging:  50 and 55 lb. multi-walled, moisture-resistant bags.

Storage:  WESTCO 200-AD will readily absorb moisture and carbon dioxide if left exposed to air.  Store in a dry location.  Reseal opened bags.

SPECIFICATIONS:

*Magnesium oxide, Ignited Basis

97.0% Min.

*Loss on Ignition

10.0% Max.

*Surface Area

160-200 m2/g

*% Passing 100 Mesh

100% Min.

*% Passing 325 Mesh, wet

99.0% Min.

*Mean Particle Size

1.5 microns Max.

*Reported on Certificate of Analysis

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  • 4837 Darrow Road
  • Stow, OH 44224

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