... No.: NIRProduct Name: Cis-1, 4-polyisoprene, IR CIS-1, 4-POLYISOPRENE.IR is a solution polymerized polyisoprene rubber with a ... color or transparent articles. Storage:CIS-1, 4-POLYISOPRENE.IR should be stored in ventilating warehouses at temperature not higher ... conditions. Safety and Handling Precautions:CIS-1, 4-POLYISOPRENE.IR may accumulate electrostatic charges when rubbed, chafed or abraded. ...