HDT/ITCSF heavy wall cable sleeves are cross linked polyolefin. They are flame retardant, highly split resistant and fast shrinking to provide rapid installation.
The 48 in. (121,9 cm) sleeves come standard with a factory applied adhesive/sealant. Order any of several packaging choices or look for the counter merchandiser assortment at a 3M authorized distributor and are not printed. MIL-DTL-23053/15, Class 1. Order in the size equivalent to expanded inside diameter required.