Profile: Insulation Plastics, Inc. is a supplier of tubing and sleeving products. Our heat shrinkable tubing include polyolefin, semi-rigid polyolefin, dual-wall polyolefin and neoprene heat shrinkable tubing products. Our sleeving products are fiberglass, vinyl coated fiberglass, acrylic coated fiberglass and silicone coated fiberglass sleeving.