Quality is close to Kuraray's LIR-30 Application: Pressure Sensitive Adhensives;Sealants;Reactive Plasticizer for NR, BR, IR and SBR, etc. Typical Properties - Appearance: colorless to light yellow, transparent high-viscosity liquidWeight-average Molecular Weight: 25,000-35,000 daltoncis-1,4-polyisoprene content: 80% min. Viscosity (38 D.C.): 68-80 Pa.sDensity: 0.90-0.95 g/cm3Ignition point: 300 ...