Butyl rubber BK-1675N Performance: Butyl rubber BK-1675N is an isobutylene-isoprene copolymer monomer and polymerization of synthetic rubber. This product is used for the production of tire inner tubes, water births, capsules, hollow glass sealing tape and sealing waterproof and anti-corrosion materials and other rubber parts and products, vulcanization shaping diaphragm, a butyl latex and other rubber products. The product is mainly used for 80% of butyl inner tube industry, the remaining small amount for the pharmaceutical packaging products and seal industry. Origin: Russia Nizhnekamsk (NIZHNEKAMASK) Product Specifications: Specifications Value Mooney viscosity ML1 + 8 (125 ℃ ) 46-56 number of maximum viscosity difference 6 unsaturation 1.6 + -0.2% Tensile strength, MPa, min 20 Elongation,% max 620 400% modulus Mpa min 7 volatile% max 0.30 Ash% iron content max 0.30% max 0.010 Packaging: a bag of 30 kg, 450 kg / pallet, the packaging of polyethylene film, packed in trays.