General-purpose and speciality elastomers from the same producer base as our carbon black: butadiene rubber, emulsion and solution SBR, SBS / SIS / SEBS thermoplastic elastomers, butyl and halobutyl, and nitrile rubber. Baled 25 kg in PE-lined paper bags, or 1050 kg in crates for automated feeding — Mooney viscosity and bound-styrene content reported per lot on the COA.
High-cis polybutadiene for tyre compounds, impact modification and footwear: the highest resilience and abrasion resistance of the general-purpose rubbers, with better low-temperature flex than natural rubber.
| Grade | Typical specification | Packing | Typical applications |
|---|---|---|---|
| BR9000 (high cis, nickel) | ML(1+4)100°C approx. 45, cis-1,4 ≥96%, volatile ≤0.75%, ash ≤0.5% | 25kg bag / 1050kg crate | Tyre tread and carcass blends, retreads, conveyor belt, footwear, golf balls |
| BR9004 (high cis) | ML(1+4)100°C approx. 45, high cis content | 25kg bag / 1050kg crate | Impact modification of high-impact polystyrene (HIPS) |
| Nd-BR (neodymium, BR Nd40 / Nd50 / Nd60) | ML(1+4)100°C 45±3 / 54±3 / 63±3, volatile ≤0.5%, ash ≤0.5% | 25kg bag / 1050kg crate | High-performance and radial tyre treads, fatigue-critical compounds |
| LCBR (low cis, lithium) | Low cis content, narrow molecular weight distribution; Mooney per grade | 1050kg crate | HIPS and ABS modification, tyre blends |
BR is supplied as colourless to pale bales in PE-lined paper bags of 25 kg net, or wooden / steel crates of 1050 kg net for automatic feeding lines. Store below 10 bales high, away from sunlight.
Emulsion SBR for tyres and general rubber goods, and solution SBR for low rolling-resistance tread compounds. Bound styrene and Mooney viscosity are the two numbers that decide cure behaviour and hysteresis.
| Grade | Typical specification | Packing | Typical applications |
|---|---|---|---|
| SBR1500 | ML(1+4)100°C 47–57, bound styrene 22.5–24.5%, volatile ≤0.60%, organic acid 5.00–7.25% | 25kg bag / 1050kg crate | Tyre tread and carcass, retread, conveyor belt, moulded goods |
| SBR1502 | ML(1+4)100°C 45–55 (50±6), bound styrene 23.5±1.0%, volatile ≤0.90% | 25kg bag / 1050kg crate | Light-coloured and transparent rubber goods, tyre sidewalls, footwear, medical articles |
| SBR1507 | ML(1+4)100°C 36±6, bound styrene 23.5±1.0%, volatile ≤0.90% | 25kg bag / 1050kg crate | Sponge, rubber sheeting, footwear, injection-moulded industrial goods |
| SBR1516 | High bound styrene, non-oil-extended; Mooney per grade | 25kg bag / 1050kg crate | Tyre treads requiring wet grip and braking performance |
| SBR1712 (oil extended) | Oil-extended 37.5 phr, Mooney per grade | 25kg bag / 1050kg crate | High-performance tread compounds, processing-sensitive mixes |
| SSBR (solution polymerised) | Styrene and vinyl content per grade; Mooney 40–60 range | 25kg bag / 1050kg crate | Low rolling-resistance tyre treads, high-grip compounds, footwear |
Grades are tested with ASTM IRB No.7 reference compound; tensile strength and 300% modulus are reported at 145 °C for 25, 35 and 50 minutes. Tell us the target hardness and hysteresis and we will shortlist the grade.
Styrenic block copolymers: SBS for footwear compounds, adhesives and asphalt modification, SIS for hot-melt adhesives, SEBS when the compound has to survive UV, heat and oil.
| Grade | Typical specification | Packing | Typical applications |
|---|---|---|---|
| SBS, dry grade (YH-791 / YH-792 type) | 300% modulus ≥2.2 MPa, tensile ≥16 MPa, elongation ≥700%, hardness ≥68 A, MFR 0.01–0.50 | 15kg / 20kg bag | Footwear compounds, adhesive and sealant formulations, plastics modification |
| SBS, high-hardness grade (YH-803 / SBS4402-1 type) | 300% modulus ≥3.5 MPa, tensile ≥22 MPa, hardness ≥89 A, MFR 0.00–0.10 | 15kg / 20kg bag | Plastics modification, shoe soles, high-hardness compounds |
| SBS, asphalt modification grade (SBS4303-2 type) | Toluene solution viscosity 500–1300 mPa·s at 15%, MFR per grade | 15kg / 20kg bag | Road asphalt and waterproof membrane modification |
| SBS, oil-extended / high-viscosity grade (YH-898 type) | Toluene solution viscosity 450–1200 mPa·s, oil extension per grade | 15kg / 20kg bag | Asphalt modification, adhesives, cable compounds |
| SIBS (YH-935 type) | 300% modulus ≥1.8 MPa, tensile ≥10 MPa, hardness 60–70 A | 15kg / 20kg bag | Asphalt modification and specialty compounds |
| SIS | Di-block and tri-block content per grade; solution viscosity per COA | 15kg / 20kg bag | Hot-melt adhesives, labels, tapes and hygiene products |
| SEBS | Hydrogenated mid-block; oil absorption and viscosity per grade | 15kg / 20kg bag | TPE compounds, cable insulation, medical and automotive parts |
Packed in PE-lined paper bags of 15 or 20 kg. SBS is supplied as porous crumbs or pellets and does not need vulcanisation — processing scrap can be re-used.
Isobutylene-isoprene copolymer with the lowest air permeability of any commercial rubber, plus the brominated grade for co-vulcanisation with diene rubbers in tyre inner liners.
| Grade | Typical specification | Packing | Typical applications |
|---|---|---|---|
| IIR1751 | ML(1+4)125°C approx. 51, unsaturation 1.5–1.9 mol%, volatile ≤0.5% | 25kg bag / 1050kg crate | Tyre inner tubes and inner liners, pharmaceutical stoppers, adhesives, sealants |
| IIR1758 | ML(1+4)125°C approx. 58, higher viscosity for strength-critical compounds | 25kg bag / 1050kg crate | Inner liners, curing bladders, mechanical goods |
| IIR1742 | ML(1+4)125°C approx. 42, lower viscosity for easy processing | 25kg bag / 1050kg crate | Pharmaceutical closures, chewing gum base, sealants |
| BIIR (brominated butyl) | Bromine content approx. 2%, Mooney per grade | 25kg bag / 1050kg crate | Tyre inner liners, heat-resistant hoses, pharmaceutical stoppers |
Butyl bales are packed in PE-lined paper bags of 25 kg or crates of 1050 kg. Storage away from heat and light; the product is odourless and non-staining.
Butadiene-acrylonitrile copolymer, specified by acrylonitrile content: the higher the AN level, the better the oil and fuel resistance and the lower the low-temperature flex.
| Grade | Typical specification | Packing | Typical applications |
|---|---|---|---|
| NBR, 26% acrylonitrile | Medium AN, Mooney per grade; good low-temperature flex with moderate oil resistance | 25kg bag | Oil hoses, gaskets, grommets, general moulded goods |
| NBR, 33% acrylonitrile | Standard AN, balanced oil resistance and flexibility | 25kg bag | Fuel and oil hose, seals, printing rollers, cable compounds |
| NBR, 41% acrylonitrile | High AN, maximum oil and fuel resistance | 25kg bag | Fuel-system parts, oil seals, protective gloves, aerospace seals |
Supplied in bales of 25 kg net. Grades can be supplied with carboxyl or PVC-blend modification against order; Mooney viscosity and bound AN are reported per lot.
We will come back with an equivalent, a landed price and a lead time.
