LG Chemical NBR 3280 High Acrylonitrile Polymer

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LG Chemical NBR 3280 High Acrylonitrile Polymer
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Description: NBR 3280 is a copolymer of butadiene and acrylonitrile manufactured by cold emulsion polymerization technology of Goodyear Tire and Rubber Company, USA. NBR 3280 is a non staining, high mooney viscosity, and high acrylonitrile polymer designed to aid in processing operations such as calendaring and extruding for oil and fuel service products. NBR 3280 offers high resistance to fuels, solvents, oils and gas permeation, and also it can be used for economic compound by high loading of plasticizer on compound recipe. Applications: NBR 3280 is recommended to use in industrial and automotive parts such as fuel hoses and packings. 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	0.30 %
Mooney Viscosity	80.5 @Temperature 100 °C	ML 1+4
Ash	<= 0.50 %

Mechanical Properties	Original Value	Comments
Hardness, Shore A	52 @Treatment Temp. 25.0 °C, Time 259000 sec	Aged fuel C
	73 @Treatment Temp. 145 °C, Time 1190 sec	Cured
	74 @Treatment Temp. 100 °C, Time 259000 sec	Aged ASTM D #3 Oil
	76 @Treatment Temp. 100 °C, Time 259000 sec	Circulating Oven Aging
	76 @Treatment Temp. 100 °C, Time 259000 sec	Aged ASTM D #1 Oil
Tensile Strength at Break	18.0 MPa @Treatment Temp. 25.0 °C, Time 259000 sec	Aged fuel C
	22.3 MPa @Treatment Temp. 100 °C, Time 259000 sec	Aged ASTM D #1 Oil
	22.3 MPa @Treatment Temp. 145 °C, Time 1190 sec	Cured
	22.4 MPa @Treatment Temp. 100 °C, Time 259000 sec	Aged ASTM D #3 Oil
	22.5 MPa @Treatment Temp. 100 °C, Time 259000 sec	Circulating Oven Aging
	33.7 MPa @Treatment Temp. 145 °C, Time 2990 sec	cured; ASTM D412
Elongation at Break	373.2 % @Treatment Temp. 25.0 °C, Time 259000 sec	Aged fuel C
	389.3 % @Treatment Temp. 100 °C, Time 259000 sec	Aged ASTM D #1 Oil
	391.9 % @Treatment Temp. 100 °C, Time 259000 sec	Aged ASTM D #3 Oil
	392.6 % @Treatment Temp. 100 °C, Time 259000 sec	Circulating Oven Aging
	420 % @Treatment Temp. 145 °C, Time 1190 sec	Cured
	532 % @Treatment Temp. 145 °C, Time 2990 sec	cured; ASTM D412
300% Modulus	178 kg(f)/cm² @Treatment Temp. 145 °C, Time 2990 sec	cured; ASTM D412
Rebound	41.1 % @Temperature 30.0 °C
Abrasion	0.2767	AKRON
Compression Set	17.4 % @Temperature 100 °C, Time 259000 sec	160°C x 30 min. Cured)

Descriptive Properties
Bound AN Content (%)	41.5
Color	Tan
Components	HAF (IRB#7)	40 phr, ASTM D3187
	NBR 3280	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
Compound Recipe	Antioxidant(3-C)	1 phr
	Antioxidant(RD)	2 phr
	Carbon Black(SRF)	80 phr
	CZ	2 phr
	NBR 3280	100 phr
	Plasticizer(DOP)	10 phr
	Stearic Acid	1 phr
	Sulfur	0.5 phr
	TT	1 phr
	Zinc Oxide	5 phr
Rheometer	0.6 min	ts1, 160°C x 12 min, 1° Arc, MDR
	1.2 min	t'50, 160°C x 12 min, 1° Arc, MDR
	2.3 min	t'90, 160°C x 12 min, 1° Arc, MDR
	27.7 lb-in	MH, 160°C x 12 min, 1° Arc, MDR
	3.1 lb-in	ML, 160°C x 12 min, 1° Arc, MDR
Volume Swell (%)	31.2	Aged fuel C (23°C x 72hrs)
	-4.9	Aged ASTM D #3 Oil (100°C x 72hrs)
	-8.3	Aged ASTM D #1 Oil (100°C x 72hrs)

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