Features Efficient Shrinkage Performance: Achieve a 2:1 shrinkage rate, reducing the tube size to half in just 5 seconds with a miniature heat gun for quick and effective application Versatile Size and Color Options: Choose from 8 sizes and 5 vibrant colors for various applications, including solder joint protection and wire group marking to meet diverse project needs and Safe Materials: Made from materials that comply with UL224, CSA C22.2, and RoHS standards, ensuring safe usage for both you and the environment Composition: from heavy metals and harmful substances, allowing you to use the shrink wrap with peace of mind regarding health and safety Superior Flame Retardant Features: Excellent insulation and flame retardant properties ensure reliable protection for electronic components in high-demand environments 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, Bla 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)