We are a professional manufacturer of heat shrink tubing and have been doing business in this field for more than 10 years, with a good reputation and many regular customers all over the world. We can also accept any kind of customized heat shrink tubing type, as well as customized outer or inner packaging. The outer layer is made of high-quality, soft cross-linked polyolefin material, and the inner layer is processed by hot-melt adhesive compound. The outer material has the advantages of insulation and anti-corrosion, wear resistance, etc., while the inner layer has the advantages of low melting point, waterproof, sealing and high adhesion. e variety of heat shrinkable dual-wall tubeï¼?such as Environment Friendly Flame Retardant Dual Wall Tube With Glue and High Temperature Flame Retardant Dual Wall Tube for Automotive Wiring and so on. Features. 1.3:1 shrinkage ratio, adaptable to irregular shape insulation and sealing. 2.Medium wall thickness, which improves mechanical protection strength while maintaining flexibility. 3.The adhesive layer can bond plastic, rubber and metal. 4.Starting shrinkage temperature of 70, complete shrinkage temperature of 125. 5. melting temperature of inner glue layer: 70-100 6.Working temperature range:-40-125 7.Standard color: Black (there are ten standard colors to customize) We guarantee reasonable prices and satisfactory quality, making it a good fit for your own brand. We can offer: - Competitive prices - High quality products - Sample orders accepted - Secure payment and delivery worldwide - Free shipping for bulk orders For custom production and any questions, please feel free to contact! Looking forward to be your supplier in China and have a long term cooperation. Contact us:Mors