Polyolefin Heat Shrink Tubing Flame-retardant polyolefin comes in many styles and colors. It has excellent electrical, chemical and physical properties that make it a good all-purpose heat... shrinkable tubing used for insulating, jacketing and identification. IP29CG has excellent electrical, chemical and physical properties representing a good all purpose heat shrinkable tubing..., jacketing and identification where saving space is important. Made from flame-retardant polyolefin, it has excellent electrical, chemical and physical properties representing a good...