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KKPC KOSYN KNB 25LM Acrylonitrile Butadiene Rubber (NBR)

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer Korea Kumho Petrochemical Co., Ltd.
Trade Name KOSYN
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF KKPC KOSYN KNB 25LM Acrylonitrile Butadiene Rubber (NBR).pdf
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Material Notes:
Acrylonitrile Butadiene Rubber (NBR)Characteristics: KOSYN KNB is copolymer of high oil resistance and chemical resistance made from acrylonitrile and butadiene by the cold emulsion polymerization. KKPC NBR has superior working properties such as roll winding properties, compounding dispersibility and extrasApplications: Rubber products having elevated oil-resistance and cold-resistance such as packing, gasket, shoe soles, home appliances.Additional Notes: Bound Acrylonitrile: 28%Compound Properties: NBR 100, ZnO 3, Stearic Acid 1, HAF Black (IRB#7) 40, Accelerator TBBS 1, Sulfur 1.5, Total: 146.5Volume Change: 2%This product is so sensitive to sunlight and humidity that it can be tarnished and caused deterioration of quality if exposed. It is recommended to store it in cool and shady area lest it should be exposed to direct sunlight. Do not expose to incompatible materials or contaminants.Data provided by Korea Kumho Petrochemical Co., Ltd.
Physical Properties Metric English Comments
Density 0.930 g/cc
0.0336 lb/in³
Not Compounded
Mooney Viscosity 50

@Temperature 100 °C
50

@Temperature 212 °F
Raw; ML1+4
83

@Temperature 100 °C
83

@Temperature 212 °F
Compounded; ML1+4
Mechanical Properties Metric English Comments
Hardness, Shore A 73
73
150°C, 40 min., Pressure Vulcanization. -4% Change after 100°C, 70 hrs, Oil Immersion
Tensile Strength, Ultimate 25.7 MPa
3730 psi
150°C, 40 min., Pressure Vulcanization. -7% Change after 100°C, 70 hrs, Oil Immersion
Elongation at Break 500 %
500 %
150°C, 40 min., Pressure Vulcanization. -20% Change after 100°C, 70 hrs, Oil Immersion
300% Modulus 0.0132 GPa
1.92 ksi
150°C, 40 min., Pressure Vulcanization. 24% Change after 100°C, 70 hrs, Oil Immersion
Thermal Properties Metric English Comments
Shrinkage -2.00 %
-2.00 %
Volume increases after 100°C, 70 hrs, Oil Immersion
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