Find Products

Filter
48 results

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

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 55 Lithium BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 54 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Solution Viscosity 165 mPa.s Internal Method
Cis 1,4 Content 36 % Internal Method
Trans 1,4 Content 53 wt % Internal Method
Vinyl Content 11 wt % Internal Method
Color < 7,5 Internal Method
Buna CB 55 H Lithium BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 54 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Cis 1,4 Content 36 % Internal Method
Trans 1,4 Content 53 wt % Internal Method
Vinyl Content 11 wt % Internal Method
Buna CB 70 Lithium BR
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 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 %
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 %
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 29 MES Neodymium BR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 37 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Oil Content 27,3 wt % ISO 1407
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 1763 Oil-extended E-SBR
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
Buna® SE 1723 Oil-extended E-SBR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 50 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Bound Styrene 23,5 wt % ASTM D 5775
Oil Content 27,2 wt % ASTM D 5774
Buna® SE 1739 Oil-extended 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 40,0 wt % ASTM D 5775
Oil Content 27,2 wt % ASTM D 5774
Buna® SE 1783 Oil-extended 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
Oil Content 27,2 wt % ASTM D 5774
Buna® SE 1793 Oil-extended E-SBR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 51 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Bound Styrene 23,5 wt % ASTM D 5775
Oil Content 27,2 wt % ASTM D 5774
Buna® SE 1799 Oil-extended E-SBR
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 55 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Bound Styrene 40,0 wt % ASTM D 5775
Oil Content 27,2 wt % ASTM D 5774

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® 3250 Low Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 33 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution Narrow Internal Method
Ethylene Content 55 wt % ASTM D 3900
ENB Content 2,3 wt % ASTM D 6047
Keltan® 3960 Low Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 54 MU ISO 289 / ASTM D 1646 ML (1+8) 100 °C
Molecular Weight Distribution Medium Internal Method
Ethylene Content 56 wt % ASTM D 3900
ENB Content 11,0 wt % ASTM D 6047
Keltan® 4869C 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 CLCB Internal Method
Ethylene Content 62 wt % ASTM D 3900
ENB Content 8,7 wt % ASTM D 6047
Oil Content 100 PHR ISO 1407
Keltan® 6950C High Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 65 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Molecular Weight Distribution CLCB Internal Method
Ethylene Content 44 wt % ASTM D 3900
ENB Content 9,0 wt % ASTM D 6047
Keltan® 8570C 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 66 wt % ASTM D 3900
ENB Content 5,0 wt % ASTM D 6047
Keltan® 9950C Very high Mooney
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 60 MU ISO 289 / ASTM D 1646 ML (1+8) 150 °C
Molecular Weight Distribution CLCB Internal Method
Ethylene Content 44 wt % ASTM D 3900
ENB Content 9,0 wt % ASTM D 6047

Functionalized & Standard S-SBR and Block Co-Polymers

The Buna® S-SBR product family contains a wide range of solution styrene butadiene rubber products which are defined into Buna FX, Buna VSL, Buna SL and Buna BL.

Buna® FX 3234A-2 Functionalized S-SBR (Buna FX)
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 65 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Styrene Content 34 wt % Internal Method
Oil Content 27,3 wt % Internal Method
Vinyl Content 32 wt % Internal Method
Buna® FX 3234A-2HM Functionalized S-SBR (Buna FX)
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 63 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Styrene Content 34 wt % Internal Method
Oil Content 75 PHR 27,3 wt % Internal Method
Vinyl Content 32 wt % Internal Method
Buna® SL 4518-4 Standard S-SBR (Buna SL)
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 45 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Styrene Content 18 wt % ASTM D 5775
Oil Content 27,3 wt % ASTM D 5774
Buna® SL 4525-0 Standard S-SBR (Buna SL)
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 45 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Styrene Content 25 wt % ASTM D 5775
Buna® SL 7518-4 Standard S-SBR (Buna SL)
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 75 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Styrene Content 18 wt % Internal Method
Oil Content 13 wt % ASTM D 5774
Buna® VSL 2438-2 HM Standard S-SBR (Buna VSL)
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 80 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Styrene Content 38 wt % Internal Method
Oil Content 27,3 wt % Internal Method
Vinyl Content 24 wt % Internal Method
Buna® VSL 2538-2 Standard S-SBR (Buna VSL)
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 50 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Styrene Content 38 wt % Internal Method
Oil Content 27,3 wt % Internal Method
Vinyl Content 25 wt % Internal Method
Buna® VSL 3038-2 HM Standard S-SBR (Buna VSL)
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 66 MU ISO 289 / ASTM D 1646 ML (1+4) 125 °C
Styrene Content 38 wt % Internal Method
Oil Content 27,3 wt % Internal Method
Vinyl Content 30 wt % Internal Method
Buna® VSL 4526-2 Standard S-SBR (Buna VSL)
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 50 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Styrene Content 26 wt % Internal Method
Oil Content 27,3 wt % Internal Method
Vinyl Content 44,5 wt % Internal Method
Buna® VSL 4526-2 HM Standard S-SBR (Buna VSL)
Property Nominal Value Test Method Condition Temperature
Mooney Viscosity 62 MU ISO 289 / ASTM D 1646 ML (1+4) 100 °C
Styrene Content 26 wt % Internal Method
Oil Content 27,3 wt % Internal Method
Vinyl Content 44,5 wt % Internal Method