Features • Dual Shrinkage Advantage: Achieve a 2:1 shrinkage ratio with just 5 seconds of heat from a miniature heat gun, ensuring a secure fit for your projects • Versatile Size and Color Options: Choose from 8 sizes and 5 vibrant colors, perfect for solder joint protection, wire marking, and safeguarding electronic components • Eco-Friendly and Safe Materials: Crafted from environmentally friendly materials that meet UL224, CSA C22.2, RoHS, and SS 00259 standards for peace of mind • Health-Conscious Design: Free from heavy metals and harmful substances, ensuring safe use in all applications without compromising your health • Exceptional Flame Retardant Properties: Enjoy superior insulation and flame resistance, providing reliable protection for your electrical wire cable wrap needs Features: 1、Shrinkage rate and heat shrinkage rate of the heat shrinkable tube is 2:1, and it will shrink to 1/2 of the original, just use a miniature heat gun to heat it for 5 seconds 2、You can choose high？quality heat？shrinkable tubes in 8 sizes and 5 colors. They can be used for solder joint protection, wire group marking, resistance and capacitance cause protection, etc. 3、The shrink packaging of the heat shrinkable tube kit adopts safe and environmentally friendly material, which is in line with UL224, CSA C22.2, RoHS and for ？SS？00259 standards. 4、The material does not contain heavy metals and other substances harmful to the environment. There is no need to worry about your health for using Innhom shrink wrap. 5、The heat shrinkable tube kit has excellent flame retardant and insulation properties. 6、Soft wire shrink packaging material can shrink at low temperature with the minimum shrink temperature of +158℉ (+70°C), making it fast to shrink and convenient to use hot air gun. Specification: Item Type: Heat Shrinkable Tube Kit Product Manual: A large collection of heat shrinkable tubes, 8 specifications, 5 colors, and 328 pieces. Provided Inner Diameter: 1.0mm, 2.0mm, 3.0mm, 4.0mm, 6.0mm, 8.0mm, 10.0mm, 14.0mm. Color: Black, red, yellow, blue, green Material: Polyolefin Shrinkage Rate: 2:1 (Maximum shrinkage to 1/2 of the provided diameter) Operating Temperature: -55℃ to +125℃ Minimum Shrink Temperature: +70℃ Full Shrinkage Temperature: +110℃ maximum temperature Tensile Strength: 10.4 MPa Dielectric Strength: 15kV/mm Flammability: Flame retardant Certification: UL certification Package List: 120 x φ1.0 x 40mm (Yellow, Black, Red, Green) 60 x φ2.0 x 40mm (Yellow, Black, Red, Blue) 32 x φ3.0 x 40mm (Yellow, Black, Red, Green) 32 x φ4.0 x 40mm (Yellow, Black, Red, Blue) 32 x φ6.0 x 40mm (Yellow, Black, Package List 120 x φ1.0 x 40mm (Yellow, Black, Red, Green) 60 x φ2.0 x 40mm (Yellow, Black, Red, Blue) 32 x φ3.0 x 40mm (Yellow, Black, Red, Green) 32 x φ4.0 x 40mm (Yellow, Black, Red, Blue) 32 x φ6.0 x 40mm (Yellow, Black, Red, Green) 20 x φ8.0 x 80mm (Yellow, Black, Red, Blue) 16 x φ10.0 x 80mm (Yellow, Black, Red, Green) 16 x φ14.0 x 80mm (Yellow, Black, Red, Blue)