Kingflex insulation tube adopts high-performance NBR/PVC as the main raw material with various quality supplementary material by special frothing process to produce the soft energy conversation foam insulation.The insulation tubes are manufactured in various diameters and thickness for efficient and precise insulation application. Available colors: Black, Blue, Red. It is widely used for the thermal insulation of various water and steam pipelines in the central air-conditioning freezer, building, ship, vehicle and other industries. Normal wall thicknesses of 1/4”, 3/8″, 1/2″, 3/4″,1″, 1-1/4”, 1-1/2″ and 2” (6, 9, 13, 19, 25 , 32, 40 and 50mm). Standard Length with 6ft (1.83m) or 6.2ft(2m).