NBR English name:Nitrile Butadiene Rubber 中文別名：丁腈橡膠 English another name：Butadiene acrylonitrile rubber Abbreviation: NBR 1、physical and chemical properties: 1.1Molecular Formula:（C4H6?C3H3N）x 2、technical indexes: Item Index Acrylonitrile content,% 36~40 Volatiles,% ≤1.0 Ripping strength,MPa ≥2.5 Extensibility,% ≥550 Appearance Dark red 3、Use: the rubber slab is used for anti-corrosion , wear and impact resistance of the equipment ,such as anti-corrosion rubber slab are used in Thermal power plant desulfurization systems and water treatment anticorrosive , and wear and impact resistance slab are used in mining industry , which could extend the life of their equipment 4、Packing: in plastic woven bag lined with two layers, the net weight of each bag is 50 kg. 5、Storage: store in a cool, dry and ventilated warehouse. Guarantee period of 12 months, after which the review qualified can still use. 6、Transportation: the transport process should avoid rain, damp.