Product Name:Polyisobutylene Molecular Formula:-(CH2-C3H6)n- Average Molecular Weight (MW/MN):2.0-3.0 Type Name:EPIB-L/M Usage:Industry applications CAS Number:9003-27-4 Specification of low MW: Molecular weight viscosity average:3000-20000 Viscosity (mPa.S 20OC):57000-57500000 Viscosity (mPa.S 150OC):4900-150000 Specification of medium MW: Molecular weight viscosity average :20000-60000 Viscosity (mPa.S 20OC): 5800000-23000000000 Viscosity (mPa.S 150OC):150000-45000000 Property:Achromatous agar-like clear liquid;Volatility at 105OC max.0.9%;Ash max.0.3%;Odorless;Nontoxic;Be soluble in gasoline;Benzene and other organic solvent;Be insoluble in water;Alcoholic solvent. Application:Lubricant;Electric equipment protective films;Adhesives;Sealants;Coatings;Protection for optical fiber bundles, electrical cable sheathing & etc.