LG Chemical SBR 1778 High Acrylonitrile Polymer

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LG Chemical SBR 1778 High Acrylonitrile Polymer
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Description: SBR 1778 is an oil extended cold polymerization SBR with 37.5 parts of discoloring paraffinic/naphthenic oil and light colored high molecular weight styrene-butadiene copolymer of 23.5% bound styrene. SBR 1778 combines the physical properties of oil extended polymers with the light color properties of naphthenic oil. Applications: SBR 1778 can be used to hose, conveyor belt, tire and other industrial products for the light colored goods. CAS No: 9003-55-8 Information provided by LG Chemical
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Physical Properties	Original Value	Comments

Specific Gravity	0.920 g/cc
Volatiles	0.30 %
Mooney Viscosity	46 @Temperature 100 °C	ML 1+4
Ash	0.20 %

Chemical Properties	Original Value	Comments
Styrene Content	23.5 %	Bound

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	22.6 MPa @Treatment Temp. 145 °C, Time 2100 sec	ASTM D412
Elongation at Break	500 % @Treatment Temp. 145 °C, Time 2100 sec	ASTM D412
300% Modulus	125 kg(f)/cm² @Treatment Temp. 145 °C, Time 2100 sec	ASTM D412

Descriptive Properties
Color	Light Tan 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%
Soap	0.1%

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