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WESTCO™ TBBS Accelerator (N- tert-butyl-benzothiazole sulfonamide) CAS# 95-31-8

Technical Data: WESTCO™ TBBS accelerator for rubber is a delayed action accelerator for use in natural rubber and synthetic rubbers such as SBR, BR, NBR and EPDM. It has lower scorch than CBS and can be more safely processed. It has slightly faster scorch than OBTS. WESTCOTM TBBS has high modulus and excellent physical properties, suitable for tire treads and mechanical goods.
Solubility: Soluble in ethanol, acetone, benzene, ether, toluene and carbon tetrachloride, practically insoluble in water

Packaging: 25 Kg net Bags

SPECIFICATIONS:

Appearance: Cream to light yellowish powder or granules

Oiled Powder , Powder , Granule, SFOP

* Initial Melt Point, °C Min.

104, 104, 104, 104

* Final Melt Point °C Min.

107-111 , 107-111 , 107-111 , 107-111

* Heat Loss,% Max. by Weight

0.40, 0.40, 0.40, 0.40

* Ash, % Max. by weight

0.40, 0.40, 0.40, 0.40

* Assay, % Min. by Mass

95, 95, 95, 95

* Sieve Residue 100 mesh% Max.

0.10, 0.10, NA, 0.10

* Sieve Residue 230 mesh% Max

NA, NA, NA, 0.10

* Methanol insoluble, % Max.

0.5, 0.5, 0.5, 0.5

Free Amine, % Max.

0.4, 0.4, 0.4, 0.4

*Oil Content, %

1.0 – 2.0 , NA, NA, 1.0 – 2.0

Specific Gravity, Typical

1.28, 1.28, 1.28, 1.28

* Grain strength

NA, NA, 2-4, NA

* Actual TBBS rubber accelerator tech data will be reported on Certificate of Analysis

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  • 4837 Darrow Road
  • Stow, OH 44224

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