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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.

Keltan 4260C DE Medium Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 43 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution CLCB Internal Method
Ethylene Content 55 wt % ASTM D 3900
ENB Content 2,3 wt % ASTM D 6047
Keltan® 6160D High Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 63 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution Medium Internal Method
Ethylene Content 64 wt % ASTM D 3900
DCPD Content 1,2 wt % ASTM D 6047
Keltan® 6460D High Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 63 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution Broad Internal Method
Ethylene Content 58 wt % ASTM D 3900
DCPD Content 4,5 wt % ASTM D 6047

Ethylene Vinyl Acetate Rubber

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

Levapren® 400 General Purpose Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 20 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Vinyl Acetate Content 40 wt % Internal Method LP 015
Levapren® 500 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 50 wt % Internal Method LP 015
Levapren® 700 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.

Therban® 3406 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
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
Therban® 3446 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 34,0 wt % ISO 24698-1
Residual Double Bonds 3,95 % IR Spectroscopy
Therban® 3467 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
Therban® 3907 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
Therban® ART 3462 Special Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 22 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
Therban® XT VP Special Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 77 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 33,0 wt % ISO 24698-1
Residual Double Bonds 3,5 % 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...

Krynac® X 740 Carboxylated
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 38 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 26,5 wt % ISO 24698
Krynac® X 750 Carboxylated
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 47 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 27,0 wt % ISO 24698
Perbunan® 3470 F 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 34,0 wt % ISO 24698