BEC Materials SBS 792

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BEC Materials SBS 792
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE); Styrene Butadiene Rubber
Material Notes:	Description: As a non-oil-extended rubber, thermoplastic elastomer SBS rubber 792 is polystyrene(S)-polybutadiene(B)-polystyrene(S) triblock copolymer with linear molecular structure and medium molecular weight. The styrene content of SBS polymer 792 is 40%. Application: Adhesives/Asphalt modification/Compounding Formula: Shoe adhesive (Parts by mass) SBS(YH792): 100 Coumarone Resin: 70-90 Terpene Resin:40-60 Antioxygen: 1 Gasoline and Ethyl Acetate: 450-500 Information provided by BEC Materials, LLC
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Physical Properties	Metric	English	Comments

Volatiles	<= 1.0 %	<= 1.0 %
Viscosity	850 - 1850 cP	850 - 1850 cP	Solution, 25%
Melt Flow	0.10 - 5.0 g/10 min	0.10 - 5.0 g/10 min
Ash	<= 0.20 %	<= 0.20 %

Chemical Properties	Metric	English	Comments
Styrene Content	40 %	40 %

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	>= 85	>= 85
Tensile Strength	>= 24.0 MPa	>= 3480 psi
Elongation at Break	>= 700 %	>= 700 %
300% Modulus	>= 3.50 MPa	>= 508 psi

Descriptive Properties
Oil Content	0

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PBECM054 / 307007

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