LG Chemical NBR 6250 High Acrylonitrile Polymer

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LG Chemical NBR 6250 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 6250 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	Metric	English	Comments

Specific Gravity	0.990 g/cc	0.990 g/cc
Volatiles	0.20 %	0.20 %
Mooney Viscosity	50 @Temperature 100 °C	50 @Temperature 212 °F	ML 1+4
Ash	<= 0.50 %	<= 0.50 %

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	45 @Treatment Temp. 25.0 °C, Time 259000 sec	45 @Treatment Temp. 77.0 °F, Time 72.0 hour	Aged fuel C
	68 @Treatment Temp. 100 °C, Time 259000 sec	68 @Treatment Temp. 212 °F, Time 72.0 hour	Aged ASTM D #3 Oil
	69 @Treatment Temp. 145 °C, Time 1190 sec	69 @Treatment Temp. 293 °F, Time 0.330 hour	Cured
	70 @Treatment Temp. 100 °C, Time 259000 sec	70 @Treatment Temp. 212 °F, Time 72.0 hour	Circulating Oven Aging
	70 @Treatment Temp. 100 °C, Time 259000 sec	70 @Treatment Temp. 212 °F, Time 72.0 hour	Aged ASTM D #1 Oil
Tensile Strength at Break	14.1 MPa @Treatment Temp. 25.0 °C, Time 259000 sec	2050 psi @Treatment Temp. 77.0 °F, Time 72.0 hour	Aged fuel C
	19.1 MPa @Treatment Temp. 145 °C, Time 1190 sec	2770 psi @Treatment Temp. 293 °F, Time 0.330 hour	Cured
	19.6 MPa @Treatment Temp. 100 °C, Time 259000 sec	2840 psi @Treatment Temp. 212 °F, Time 72.0 hour	Aged ASTM D #1 Oil
	19.6 MPa @Treatment Temp. 100 °C, Time 259000 sec	2840 psi @Treatment Temp. 212 °F, Time 72.0 hour	Aged ASTM D #3 Oil
	19.9 MPa @Treatment Temp. 100 °C, Time 259000 sec	2890 psi @Treatment Temp. 212 °F, Time 72.0 hour	Circulating Oven Aging
	28.7 MPa @Treatment Temp. 145 °C, Time 2990 sec	4160 psi @Treatment Temp. 293 °F, Time 0.830 hour	cured; ASTM D412
Elongation at Break	358.8 % @Treatment Temp. 25.0 °C, Time 259000 sec	358.8 % @Treatment Temp. 77.0 °F, Time 72.0 hour	Aged fuel C
	390.4 % @Treatment Temp. 100 °C, Time 259000 sec	390.4 % @Treatment Temp. 212 °F, Time 72.0 hour	Aged ASTM D #1 Oil
	392.4 % @Treatment Temp. 100 °C, Time 259000 sec	392.4 % @Treatment Temp. 212 °F, Time 72.0 hour	Aged ASTM D #3 Oil
	392.6 % @Treatment Temp. 100 °C, Time 259000 sec	392.6 % @Treatment Temp. 212 °F, Time 72.0 hour	Circulating Oven Aging
	410 % @Treatment Temp. 145 °C, Time 1190 sec	410 % @Treatment Temp. 293 °F, Time 0.330 hour	Cured
	558 % @Treatment Temp. 145 °C, Time 2990 sec	558 % @Treatment Temp. 293 °F, Time 0.830 hour	cured; ASTM D412
300% Modulus	12.8 MPa @Treatment Temp. 145 °C, Time 2990 sec	1860 psi @Treatment Temp. 293 °F, Time 0.830 hour	cured; ASTM D412
Rebound	46 % @Temperature 30.0 °C	46 % @Temperature 86.0 °F
Abrasion	0.3105	0.3105	AKRON
Compression Set	18.3 % @Temperature 100 °C, Time 259000 sec	18.3 % @Temperature 212 °F, Time 72.0 hour	160°C x 30 min. Cured)

Descriptive Properties
Bound AN Content (%)	33.9
Color	Tan
Components	HAF (IRB#7)		40 phr, ASTM D3187
	NBR 6250		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 6250		100 phr
	Plasticizer(DOP)		10 phr
	Stearic Acid		1 phr
	Sulfur		0.5 phr
	TT		1 phr
	Zinc Oxide		5 phr
Rheometer	1.0 min		ts1, 160°C x 12 min, 1° Arc, MDR
	1.7 min		t'50, 160°C x 12 min, 1° Arc, MDR
	2.0 lb-in		ML, 160°C x 12 min, 1° Arc, MDR
	2.5 min		t'90, 160°C x 12 min, 1° Arc, MDR
	25.0 lb-in		MH, 160°C x 12 min, 1° Arc, MDR
Volume Swell (%)	-1.7		Aged ASTM D #3 Oil (100°C x 72hrs)
	43.5		Aged fuel C (23°C x 72hrs)
	-6.2		Aged ASTM D #1 Oil (100°C x 72hrs)

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