LG Chemical NBR 6260 High Acrylonitrile Polymer

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LG Chemical NBR 6260 High Acrylonitrile Polymer
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Description: NBR 6250 is a copolymer of butadiene and acrylonitrile manufactured by advanced emulsion polymerization technology of Goodyear and LG Chem. NBR 6250 is a non staining, medium mooney, and medium high acrylonitrile polymer designed to aid in processing operations such as extruding and calendaring. NBR 6250 is a low temperature polymerized polymer, and such as, retains the excellent physical and processing properties of a cold nitrile rubber. NBR 6250 is a high mooney version of NBR 6240. Applications: NBR 6260 is recommended to use in packings, shoe products, chemically blown sponge, oil field products, industrial and automotive molded parts. CAS No: 9003-18-3 Information provided by LG Chemical
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Physical Properties	Original Value	Comments

Specific Gravity	0.990 g/cc
Volatiles	0.20 %
Mooney Viscosity	60 @Temperature 100 °C	ML 1+4
Ash	<= 0.50 %

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	29.5 MPa @Treatment Temp. 145 °C, Time 2990 sec	cured; ASTM D412
Elongation at Break	549 % @Treatment Temp. 145 °C, Time 2990 sec	cured; ASTM D412
300% Modulus	141 kg(f)/cm² @Treatment Temp. 145 °C, Time 2990 sec	cured; ASTM D412

Descriptive Properties
Bound AN Content (%)	34
Color	Tan
Components	HAF (IRB#7)	40 phr, ASTM D3187
	NBR 6260	100 phr, ASTM D3187
	Stearic Acid	1 phr, ASTM D3187
	Sulfur	1.5 phr, ASTM D3187
	TBBS	0.7 phr, ASTM D3187
	ZnO	3 phr, ASTM D3187

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