LG Chemical SBR 1789 High Acrylonitrile Polymer

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LG Chemical SBR 1789 High Acrylonitrile Polymer
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Description: SSBR 1789 is an oil extended cold polymerization SBR with 37.5 parts of Low PCA (RAE type) oil and styrene-butadiene copolymer of 40% bound styrene. Raw materials for this product are carefully chosen for the best physical properties. The aromatic oil in SBR 1789 is an eco-friendly type (RAE) which meets the European legislation on extender oil. Applications: SBR 1789 can be used in tire tread, camelback and other industrial products. CAS No: 9003-55-8 Information provided by LG Chemical
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Physical Properties	Original Value	Comments

Specific Gravity	0.950 g/cc
Volatiles	0.20 %
Mooney Viscosity	51 @Temperature 100 °C	ML 1+4
Ash	0.20 %

Chemical Properties	Original Value	Comments
Styrene Content	40 %	Bound

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	24.7 MPa @Treatment Temp. 145 °C, Time 2100 sec	ASTM D412
Elongation at Break	620 % @Treatment Temp. 145 °C, Time 2100 sec	ASTM D412
300% Modulus	113 kg(f)/cm² @Treatment Temp. 145 °C, Time 2100 sec	ASTM D412

Descriptive Properties
Color	Dark Brown Bale
Components	HAF	68.75, ASTM D3185
	SBR 1739	137.5, ASTM D3185
	Stearic Acid	1, ASTM D3185
	Sulfur	1.75, ASTM D3185
	TBBS	1.38, ASTM D3185
	ZnO	3, ASTM D3185
Oil Analysis	27.3%
Organic Acid	5%
Rheometer	16.8 min	t'90, 160°C, 1° Arc, ASTM D5289
	19.3 lb-in	MH, 160°C, 1° Arc, ASTM D5289
	3.0 lb-in	ML, 160°C, 1° Arc, ASTM D5289
	5.2 min	ts1, 160°C, 1° Arc, ASTM D5289
	9.5 min	t'50, 160°C, 1° Arc, ASTM D5289
Soap	0.1%

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