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WESTCO™ ATH Aluminum Trihydrate CAS# 21645-51-2

WESTCO™ ATH is a flame retardant/smoke suppressant that releases 35% water of crystallization when heated above 200 deg.C.. It acts as a vapor barrier that prevents oxygen from reaching a flame. Typical loading from 20 to 150 phr.

Standard Packaging:  polypropylene braided bag (50kg, 40kg, and 25kg). Other packaging available to meet customer requirements. Store in dry, ventilated area. Protect the product from exposure to moisture.

SPECIFICATIONS:

Appearance: white crystalline powder
*AI (OH)3:

99 max

*Whiteness, % std:

95 min

*Moisture, %:

0.5 max

*Na2O,%:

0.52 max

*Ignition loss,%:

35 max

*pH

9.8 max

*Particle size, microns

1.2 max

*45 micron sieve residue,%

0.05 max

*Actual tech data / technical data values reported on Certificate of Analysis.

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Technical Data & SDS Sheets

Technical Product Sheets and SDS sheets are available for each of the chemicals listed. To access please click on the links above.
  • Western Reserve Chemical
  • 4837 Darrow Road
  • Stow, OH 44224

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