TSRC Taipol® 1778 Styrene Butadiene Rubber

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TSRC Taipol® 1778 Styrene Butadiene Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE); Styrene Butadiene Rubber
Material Notes:	Polymerization System: Cold polymerized emulsion Emulsifier: Mixed Acid Soap Stabilizer: Non-Staining, non-discoloring Coagulant: Acid Extender: Semi-paraffinic oil, 37.5 parts Characteristics: Light colored and excellent processing properties. Application: Hoses, sports goods, shoe soles, conveyor belt, tire and other industrial products. Test Recipe, ASTM D-3185 Taipol SBR-1778 – 137.5 Zinc oxide - 3.00 Stearic acid - 1.00 Sulfur - 1.75 HAF black(IRB#9) – 68.75 TBBS - 1.38 Total – 213.38 Information provided by TSRC Corporation
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Physical Properties	Original Value	Comments

Volatiles	<= 0.75 %	ASTM D-5668
Mooney Viscosity	40 - 54 @Temperature 100 °C	ML1+4; ASTM D-1646
Ash	<= 1.0 %	ASTM D-5667

Chemical Properties	Original Value	Comments
Styrene Content	22.5 - 24.5 %	Bound; ASTM D-5775

Mechanical Properties	Original Value	Comments
Tensile Strength	>= 160 kg(f)/cm²	Cure @ 35 min for 145?; ASTM D-412
Elongation at Break	>= 380 %	Cure @ 35 min for 145?; ASTM D-412
300% Modulus	65.0 - 105 kg(f)/cm²	Cure @ 25 min for 145?; ASTM D-412
	90.0 - 130 kg(f)/cm²	Cure @ 35 min for 145?; ASTM D-412
	110 - 150 kg(f)/cm²	Cure @ 50 min for 145?; ASTM D-412

Descriptive Properties
Organic Acid	3.9-5.7%	ASTM D-5774
Soap	<0.5%	ASTM D5774

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PTSRC008 / 306296

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