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WESTCO™ SP-120 NON-STAINING LIQUID ANTIOXIDANT (STYRENATED PHENOL) CAS# 61788-44-1

WESTCO™ SP-120 is a pale yellow to amber liquid-antioxidant for use in most elastomers, particularly SBR. WESTCO™ SP-120 has FDA approval for use in rubber articles intended for repeated or continuous food contacts. It is recommended for a variety of applications in plastics, elastomers, thermoplastic elastomers and urethane foams. 1-3 PHR is recommended.

STORAGE: SP-120 is stable over a long period of time when stored in unopened containers and protected from extreme temperature and humidity. Suggested shelf life is 2 years.

PACKAGING: 440 lb. Steel Drums; Bulk T/W

SPECIFICATIONS:

VALUE , TEST METHOD

*Acid Value

2.0 Max, 406

*Viscosity, cps

2500-5000 , 907

*Gardner Color

3 Max , 908

*Karl Fisher Water

0.5% Max, 904

*Phenol, GC

1.0% Max, 792B

*Mono Styrenated Phenol, GC

12.0-18.0% Max, 792C

*Di Styrenated Phenol, GC

44.0-48.0%, 792D

*Tri Styrenated Phenol, GC

34.0-42.0%, 792E

*Residual Styrene, ppm

< 1000 ,

Specific Gravity

1.08,

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

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  • 4837 Darrow Road
  • Stow, OH 44224

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