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Master Bond adhesives

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KKPC KOSYN KNB 25LH Acrylonitrile Butadiene Rubber (NBR)
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
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. Our NBR has superior working properties such as roll winding properties, compounding dispersibility and extrusion properties. Also, it is easily processed on account of the excellent vulcanization properties.

Applications: 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: 146.5
Volume 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.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 0.930 g/ccNot Compounded
Mooney Viscosity 70
@Temperature 100 °C		Raw; ML1+4
 115
@Temperature 100 °C		Compounded; ML1+4
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 73150°C, 40 min., Pressure Vulcanization. -4% Change after 100°C, 70 hrs, Oil Immersion
Tensile Strength, Ultimate 290 kg(f)/cm²150°C, 40 min., Pressure Vulcanization. -8% Change after 100°C, 70 hrs, Oil Immersion
Elongation at Break 430 %150°C, 40 min., Pressure Vulcanization. -23% Change after 100°C, 70 hrs, Oil Immersion
300% Modulus 165 kg(f)/cm²
@Strain 300 %		150°C, 40 min., Pressure Vulcanization. 24% Change after 100°C, 70 hrs, Oil Immersion
 
Thermal PropertiesOriginal ValueComments
Shrinkage -2.00 %Volume increases after 100°C, 70 hrs, Oil Immersion

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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PKKPC35 / 48766




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