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Hydrogenated Nitrile Butadiene Rubber

ARLANXEO's HNBR products, summarized under the Therban® brand, offer excellent properties wherever high temperature and fluid resistance is needed. The polarity of HNBR is directly influenced by the ACN content. Higher ACN increases the polymer's polarity and, therefore, resistance in non-polar...

Therban® LT 2007 Low Temperature Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 74 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 21,0 wt % ISO 24698-1
Residual Double Bonds 0,9 % IR Spectroscopy
Density 0,96 g/cm3 Internal Method
Therban® 3407 Fully Saturated (suitable for peroxide crosslinking) Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 70 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 34,0 wt % ISO 24698-1
Residual Double Bonds 0,9 % IR Spectroscopy
Density 0,95 g/cm3 Internal Method

BUTADIENE RUBBERS (BR)

The BR family of polybutadiene rubber helps optimize tire compositions, improving grip, fuel economy, and overall lifetime. They provide a great balance between processability and performance.

Buna® CB 45 Lithium BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 45 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Cis 1,4 Content 38 %
Density 0,90 g/cm3 ASTM D 297
Buna® CB 55 NF Lithium BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 55 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Cis 1,4 Content 38 %
Density 0,90 g/cm3 ASTM D 297
Buna® CB 24 Neodymium BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 44 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Cis 1,4 Content > 96 %
Density 0,91 g/cm3 ASTM D 297
Buna® CB 22 Neodymium BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 63 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Cis 1,4 Content > 96 %
Density 0,91 g/cm3 ASTM D 297
Buna® CB 25 Neodymium BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 44 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Cis 1,4 Content > 96 %
Density 0,91 g/cm3 ASTM D 297