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Regular & halogenated butyl rubber

The X_Butyl® product family contains a broad range of regular butyl rubber products and halogenated butyl rubber products.

X_Butyl® BB 2030 Bromobutyl Rubber
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 32 MU ISO 289 / ASTM D 1646 ML (1+8) 125 °C
Bromine Content 1,80 wt % Internal Method
Antioxidant non-staining > 0,03 wt % Internal Method
X_Butyl® BB 2040 Bromobutyl Rubber
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 39 MU ISO 289 / ASTM D 1646 ML (1+8) 125 °C
Bromine Content 1,80 wt % Internal Method
Antioxidant non-staining ≥ 0,03 wt % (*)
Ash Content ≤ 0,7 wt % ISO 247 / ASTM D 5667
Volatile Content ≤ 0,7 wt % ISO 248 / ASTM D 5668
X_Butyl® BB X2 Bromobutyl Rubber
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 46 MU ISO 289 / ASTM D 1646 ML (1+8) 125 °C
Bromine Content 1,80 wt % Internal Method
Antioxidant non-staining > 0,03 wt % Internal Method
Ash Content ≤ 0,7 wt % ISO 247 / ASTM D 5667
Volatile Content ≤ 0,7 wt % ISO 248 / ASTM D 5668
X_Butyl® CB 1240 Chlorobutyl Rubber
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 38 MU ISO 289 / ASTM D 1646 ML (1+8) 125 °C
Chlorine Content 1,25 wt % Internal Method
Antioxidant non-staining ≥ 0,03 wt % (*)
Ash Content ≤ 0,5 wt % ISO 247 / ASTM D 5667
Volatile Content ≤ 0,5 wt % ISO 248 / ASTM D 5668
X_Butyl® RB 301 Regular Butyl Rubber
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 51 MU ISO 289 / ASTM D 1646 ML (1+8) 125 °C
Unsaturation 1,85 %(Mol) (*)
Antioxidant non-staining ≥ 0,03 wt % (*)
Ash Content ≤ 0,3 wt % ISO 247 / ASTM D 5667
Volatile Content ≤ 0,3 wt % ISO 248 / ASTM D 5668
X_Butyl® RB 402 Regular Butyl Rubber
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 33 MU ISO 289 / ASTM D 1646 ML (1+8) 125 °C
Unsaturation 2,25 %(Mol) (*)
Antioxidant non-staining ≥ 0,03 wt % (*)
Ash Content ≤ 0,3 wt % ISO 247 / ASTM D 5667
Volatile Content ≤ 0,3 wt % ISO 248 / ASTM D 5668

Butadiene Rubber

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

Buna® CB 1203 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 %
Buna® CB 1220 AO 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 %
Buna® CB 1221 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 %
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 %
Buna® CB 60 Lithium BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 60 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Cis 1,4 Content 38 %
Buna® Nd 22 EZ Easy Processing Nd-BR (Buna Nd)
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 %
Buna® Nd 24 EZ Easy Processing Nd-BR (Buna Nd)
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 %

Emulsion Styrene Butadiene Rubber

The Buna® SE product group comprises the general purpose emulsion styrene-butadiene rubbers (E-SBR) which is one of the most important types of synthetic rubber. Emulsion Styrene Butadiene Rubber is the most widely used rubber in the world, representing about 40% of the synthetic rubber market,...

Buna® SE 1500 Oil-free E-SBR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 52 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Bound Styrene 23,5 wt % ASTM D 5775
Buna® SE 1502 H Oil-free E-SBR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 53 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Bound Styrene 23,5 wt % ASTM D 5775
Buna® SE 1502 L Oil-free E-SBR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 49 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Bound Styrene 23,5 wt % ASTM D 5775
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 135 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Brookfield Viscosity 800 cps ASTM D1417 25 °C
Bound Styrene 24,0 wt % ASTM D 5775
Total Solids 68,0 wt % ASTM D 1417
Superficial Tension 33,5 dyn/cm ASTM D 1417

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 8850C 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
Keltan® 13561C 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
Keltan® 2750 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 7,8 wt % ASTM D 6047
Keltan® 4450 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 52 wt % ASTM D 3900
ENB Content 4,3 wt % ASTM D 6047
Keltan® 4460D 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 Broad Internal Method
Ethylene Content 58 wt % ASTM D 3900
DCPD Content 4,5 wt % ASTM D 6047
Keltan® 4465 Medium Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 48 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution Broad Internal Method
Ethylene Content 56 wt % ASTM D 3900
ENB Content 4,1 wt % ASTM D 6047
Oil Content 50 PHR ISO 1407
Keltan® 5260 Medium Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 55 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution Narrow Internal Method
Ethylene Content 62 wt % ASTM D 3900
ENB Content 2,3 wt % ASTM D 6047
Keltan® 5470C Medium Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 55 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution CLCB Internal Method
Ethylene Content 66 wt % ASTM D 3900
ENB Content 4,6 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.

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® 650 VP General Purpose Grades
Property Nominal Value Test Method Condition Temperature
Melt Flow Index 190 °C 4 g/10mi ISO 1133
Vinyl Acetate Content 65 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 600 XL VP 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
Levapren 700 XL VP 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
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® 450 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 45 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® 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® 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® 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® 3627 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
Therban® 3629 Partially Saturated (suitable for peroxide and sulfur crosslinking) Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 87 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
Therban® AT 3404 Low Mooney – Advanced Technology Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 39 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® AT LT 2004 VP Low Mooney – Advanced Technology Grades
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 39 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 21,0 wt % ISO 24698-1
Residual Double Bonds 0,9 % Internal Method

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® 2865 F Medium Cure
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 65 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Acrylonitrile Content 28,0 wt % ISO 24698
Perbunan® 2870 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 28,0 wt % ISO 24698