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Butadiene Rubber

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 380 Lithium BR, Plastic Modification
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 38 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Solution Viscosity 90 mPa.s Internal Method
Cis 1,4 Content 38 %
Color < 5,0 Internal Method
Buna® CB 380 IT Lithium BR, Plastic Modification
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 38 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Solution Viscosity 90 mPa.s Internal Method
Cis 1,4 Content 38 %
Color < 5,0 Internal Method
Buna® CB 530 T Lithium BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 68 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Solution Viscosity 250 mPa.s Internal Method
Cis 1,4 Content 38 %
Color < 4,5 Internal Method
Buna® CB 55 GPT Lithium BR, Plastic Modification
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 53 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Solution Viscosity 165 mPa.s Internal Method
Cis 1,4 Content 36 %
Color < 7,5 Internal Method
Buna® CB 550 Lithium BR, Plastic Modification
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 54 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Solution Viscosity 163 mPa.s Internal Method
Cis 1,4 Content 38 %
Color < 5,0 Internal Method
Buna® CB 550 IT Lithium BR, Plastic Modification
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 54 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Solution Viscosity 163 mPa.s Internal Method
Cis 1,4 Content 38 %
Color < 5,0 Internal Method
Buna® CB 550 T Lithium BR, Plastic Modification
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 54 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Solution Viscosity 163 mPa.s Internal Method
Cis 1,4 Content 38 %
Color < 4,5 Internal Method
Buna® CB 565 T Lithium BR, Plastic Modification
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 60 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Solution Viscosity 44 mPa.s Internal Method
Cis 1,4 Content 38 %
Color < 4,5 Internal Method
Buna® CB 70 GPT Lithium BR, Plastic Modification
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 70 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Solution Viscosity 250 mPa.s Internal Method
Cis 1,4 Content 36 %
Color < 10,0 Internal Method
Buna® CB 728 T Plastic Modification, Neodymium BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 44 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Solution Viscosity 160 mPa.s Internal Method
Cis 1,4 Content > 94 %
Color < 5,0 Internal Method

Ethylene Propylene Diene Rubber

EPDM is typically used in outdoor applications and at elevated temperatures of up to 150 °C. It's used in both automotive and industrial applications such as automotive sealing systems, coolant hoses, windshield wipers, oil additives, roof sheeting, window gaskets, conveyor belts, as well as wire...

Keltan® 3050 Low Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 51 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Molecular Weight Distribution Narrow Internal Method
Ethylene Content 49 wt % ASTM D 3900
Keltan® 4577 Medium Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 46 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution Narrow Internal Method
Ethylene Content 66 wt % ASTM D 3900
ENB Content 5,1 wt % ASTM D 6047
Oil Content 75 PHR ISO 1407
Keltan® 5465 Medium Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 37 MU ISO 289 / ASTM D 1646 ML (1+8) 150 °C
Molecular Weight Distribution Narrow Internal Method
Ethylene Content 64 wt % ASTM D 3900
ENB Content 4,0 wt % ASTM D 6047
Oil Content 50 PHR ISO 1407
Keltan® 5467C Medium Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 52 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution CLCB Internal Method
Ethylene Content 58 wt % ASTM D 3900
ENB Content 4,5 wt % ASTM D 6047
Oil Content 75 PHR ISO 1407
Keltan® 5469C Medium Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 52 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution CLCB Internal Method
Ethylene Content 58 wt % ASTM D 3900
ENB Content 4,5 wt % ASTM D 6047
Oil Content 100 PHR ISO 1407

Ethylene Vinyl Acetate Rubber

ARLANXEO’s EVM rubbers are sold under the tradenames Baymod® L, Levamelt® and Levapren®. EVM rubbers are produced by copolymerization of ethylene and vinyl acetate. Our ethylene-vinyl acetate copolymers are used as synthetic rubbers, or as modifiers in thermoplastics, specifically PVC. The main...

Baymod® L 2450 Thermoplast Modification Grades
Property Nominal Value Test Method Condition Temperature
Melt Flow Index 190 °C 3 g/10mi ASTM D 1238
Vinyl Acetate Content 45 wt % Internal Method LP 015
Separating Agent ≤ 0.8 wt % 7 wt % DIN EN 14582
Baymod® L 6515 VP Thermoplast Modification Grades
Property Nominal Value Test Method Condition Temperature
Melt Flow Index 190 °C 4 g/10mi ASTM D 1238
Vinyl Acetate Content 65 wt % Internal Method LP 015
Separating Agent ≤ 0.8 wt % 15 wt % ISO 247 / ASTM D 5667
Levamelt® 600 General Purpose Grades
Property Nominal Value Test Method Condition Temperature
Melt Flow Index 190 °C 2,75 g/10mi ISO 1133
Vinyl Acetate Content 60 wt % Internal Method LP 015
Levamelt® 686 General Purpose Grades
Property Nominal Value Test Method Condition Temperature
Melt Flow Index 190 °C 25 g/10mi ISO 1133
Vinyl Acetate Content 68 wt % Internal Method LP 015
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® 600 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
Levapren® NPG VP Special 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 60 wt % Internal Method LP 015

Nitrile Butadiene Rubber

Nitrile-butadiene rubber (NBR) is a copolymer made from butadiene and acrylonitrile. NBR is essential for technical rubber products that need to be resistant to mineral oils, service fluids, and greases in automotive applications and machinery.

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
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