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Butadiene Rubber

The BR polymer family contains polybutadiene rubbers which are divided into different categories according to their polymerization process and application field.

Cobalt BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 53 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Cis 1,4 Content > 96 %
Cobalt BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 40 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Cis 1,4 Content > 96 %
Cobalt BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 43 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Cis 1,4 Content > 96 %

Ethylene Propylene Diene Rubber

Keltan® has the broadest portfolio of premium EP(D)M grades in the world. The versatility of Keltan® elastomer, high product quality, high supply reliability and high service level enables high performance for our customers, their products and industrial solutions.

Low Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 28 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution CLCB Internal Method
Ethylene Content 48 wt % ASTM D 3900
ENB Content 4,1 wt % ASTM D 6047
High Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 80 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution CLCB Internal Method
Ethylene Content 48 wt % ASTM D 3900
ENB Content 5,5 wt % ASTM D 6047
Very high Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 92 MU ISO 289 / ASTM D 1646 ML (1+8) 150 °C
Molecular Weight Distribution CLCB Internal Method
Ethylene Content 56 wt % ASTM D 3900
ENB Content 5,5 wt % ASTM D 6047
Oil Content 15 PHR ISO 1407

Ethylene Vinyl Acetate Rubber

Durability energized by Levapren® rubber from ARLANXEO. The cost-effective EVM-specialty fordemanding applications as for moving sidewalks and floorings.

General Purpose Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 27 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Vinyl Acetate Content 60 wt % Internal Method LP 015
Special Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 55 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Vinyl Acetate Content 60 wt % Internal Method LP 015
Special Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 60 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Vinyl Acetate Content 70 wt % Internal Method LP 015
Special Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 60 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Vinyl Acetate Content 70 wt % Internal Method LP 015
General Purpose Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 27 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Vinyl Acetate Content 70 wt % Internal Method LP 015

 Hydrogenated Nitrile Butadiene Rubber

Successful in many key industries. Excellent properties e.g. for engine components. Reliable resistance to aggressive fluids, oil and grease – able to function up to 165°C.

Fully Saturated (suitable for peroxide crosslinking) Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 66 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 36,0 wt % ISO 24698-1
Residual Double Bonds 0,9 % IR Spectroscopy
Partially Saturated (suitable for peroxide and sulfur crosslinking) Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 68 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 34,0 wt % ISO 24698-1
Residual Double Bonds 5,5 % IR Spectroscopy
Partially Saturated (suitable for peroxide and sulfur crosslinking) Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 80 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 36,0 wt % ISO 24698-1
Residual Double Bonds 6,0 % IR Spectroscopy
Partially Saturated (suitable for peroxide and sulfur crosslinking) Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 97 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 43,0 wt % ISO 24698-1
Residual Double Bonds 5,5 % IR Spectroscopy
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 17,0 wt % ISO 24698-1
Residual Double Bonds 0,9 % IR Spectroscopy
Partially Saturated (suitable for peroxide and sulfur crosslinking) Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 66 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 36,0 wt % ISO 24698-1
Residual Double Bonds 2,0 % IR Spectroscopy
Fully Saturated (suitable for peroxide crosslinking) Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 63 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 34 wt % ISO 24698-1
Residual Double Bonds 0,9 % IR Spectroscopy
Partially Saturated (suitable for peroxide and sulfur crosslinking) Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 61 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 43,0 wt % ISO 24698-1
Residual Double Bonds 5,5 % IR Spectroscopy
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 39,0 wt % ISO 24698-1
Residual Double Bonds 0,9 % IR Spectroscopy
Partially Saturated (suitable for peroxide and sulfur crosslinking) Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 78 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 44,0 wt % ISO 24698-1
Residual Double Bonds 9,0 % IR Spectroscopy

Nitrile Butadiene Rubber

ARLANXEO NBR clearly sets itself apart from other synthetic rubbers not only with regard to its oil resistance but also regarding its other strong properties. In addition to the key properties of our trademark products Perbunan® and Krynac®, processability is a further extremely important...

Medium Cure
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 45 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 26,0 wt % ISO 24698
Fast Cure
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 45 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 28,0 wt % ISO 24698
Fast Cure
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 70 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 28,0 wt % ISO 24698
Pre-Crosslinked
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 55 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 33,0 wt % ISO 24698