... .0≤2.0≤2.0Reactivity, alpha-olefins %≥80≥80≥80Viscosity 100°C,cst2204801,700Flash Point(°C)210215220Density 15°C,g/cm30 ... .5≤10,000≤30127,00040,500HT-65065,0003.233.6-39.0≤0.5≤10.0≤0.5≤10,000≤30215 ... on . PIB polyisobutene Lower ,middle and high weight PIB ,made in china