... 22.2 OFTProduct Introduction:Halogen Free Heat Shrinkable Tube is newly developed environment-friendly flame retardant heat shrinkable tube, using specially designed formulation of ... wire, corrosion and rust-proof of metallic rods or tubes,antenna protection and marking for other products.Characteristics:1.Do ... Yellow, Green, Purple, Blue, Grey, Brown. Flame-retardant Thin Wall Heat Shrinkable tube