Features:Polypropylene material has good heat resistance, dielectric property and high frequency insulation.Widely used in insulating wires and providing environmental protection to protect the wire connections, solder joint, wire ends, wires and the electronic devices from corrosion and moisture.Creating cable entry seals to offer environmental sealing protection. Suitable for electrical insulation, wire bundling, color coding, mechanical protection, wire or cable joints, daily repairs, etc.5 colors and 12 specifications can satisfy your different needs.Specifications:Material: Polypropylene Minimum Shrinkage Temp: and70Full Shrinkage Temp: and110 maximumOperating Temperature: -55-125Tensile Strength: 10.4MpaDielectric Strength: 15 KV or mmFlammability: Flame RetardantCutting Method: Scissors or Sharp KnifeShrinkage Ratio: 2:1 (Shrinking to 1 or 2 its Supplied Diameter)Qty: 560Pcs or Box Black: 1.0mm (90pcs), 3.0mm (50pcs), 10.0mm (25pcs), 13.0mm (20pcs)Red: 1.5mm (70pcs), 4.0mm (45pcs), 7.0mm (25pcs)Yellow: 2.0mm (80pcs)Green: 2.5mm(70pcs) Blue: 3.5mm (45pcs), 5.0mm (20pcs), 6.0mm (20pcs)Length: 45mm or 1.8inchWeight: 213gType: Heat Shrinkable TubePackage Include:1 x Box of 560Pcs Heat Shrinkable Tubes