Yellow wax tube is an electrical insulation lacquer tube made of alkali-free glass fiber woven and coated with modified polyvinyl chloride resin and plasticized. It has excellent softness, elasticity, insulation and chemical resistance. Temperature resistance is above 150 degrees. The surface is smooth and burr-free, and it can be bent back and forth without deformation. It is suitable for mechanical protection of wiring insulation tubes for motors, electrical appliances, instruments, radios and other devices.