LG Chemical NBR 2255 High Acrylonitrile Polymer

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LG Chemical NBR 2255 High Acrylonitrile Polymer
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	NBR 2255 is a copolymer of butadiene and acrylonitrile to be manufactured by cold emulsion polymerization through the advanced technology and process of LG Chem. NBR 2255 is a non staining, medium Mooney, and low acrylonitrile polymer designed to aid in processing operations such as extrusion and press molding. And also, this grade offers excellent flexibility and elasticity in low temperature by the minimized block structure and low acrylonitrile content on polymer chain. NBR 2255 is preferably used for industrial belt, hoses, and many rubber parts such as seal and gasket. And also, it can be used for the industrial roller and low hardness roller of office printer due to good dynamic elasticity. Information provided by LG Chemical
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Physical Properties	Original Value	Comments

Density	0.950 g/cc
Volatiles	0.20 %
Mooney Viscosity	55 @Temperature 100 °C	ML1+4
Ash	0.40 %

Mechanical Properties	Original Value	Comments
Tensile Strength	265 kg(f)/cm²	145°C×50min. Cured; ASTM D412
Elongation at Break	465 %	145°C×50min. Cured; ASTM D412
300% Modulus	155 kg(f)/cm² @Strain 300 %	145°C×50min. Cured; ASTM D412

Processing Properties	Original Value	Comments
Shelf Life	18.0 Month @Temperature <=30.0 °C

Descriptive Properties
Bound AN Content (%)	22
Color	Light Tan
Stabilizer	Non-Staining

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PLHCHEM9849 / 239365

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