320 pcs 3:1 Shrink Tubing,Heat Shrink Tubing Adhesive (7 Size 3 Color) Shrink Wrap for Wires Wire Protector Auto and Car Stereo Installs

Advantages:

High Quality and Good electrical insulation & Waterproof: 3:1 Ratio; 320 pieces; Thin adhesive inside liner.Heat activated adhesive lining provides impermeable seal to salt water and other liquids.

High temperature resistance ,High Strength Toughness and Corrosion resistance &Long service life:3:1 Ratio; Up to 600V, 257 degrees Fahrenheit which ensures its safe and reliable.

How to use it?
1. At First choose the right size tubes, as it is 3:1 heat shrink ratio, and will shrink up to 1/3 of original diameter, please measure diameter of wire which is equal to the size of tube after shrinked.
2. Wrap the cable wire with the tube, then use a lighter heating if the tube is small or hair dryer, heat s heating for large one until the wire was wrapped tightly.
3. Don't touch the tube until it becomes cool.

Specification:
- Material: Made of high quality polyolefin
- Heat shrink ratio: 3:1
- Operating Temperature:-55°C to + 125°C
- Minimum Shrinkage Temp: 70°C
- Full Shrinkage Temp: 110°C maximum
- Tensile strength: 10.4Mpa
- Dielectric strength: 15 kV / mm
- Flammability: Flame Retardant

*7 Size and 3 Colors:
2.4mm/3.2mm/4.8mm/6.4mm/7.9mm/9.5mm/12.7mm;
3 Color: Black.White. Red
PACKAGE:
85pcs x 2.4mm (Black-45,Red-40)
50pcs x 3.2mm (Black-25,Red-25)
60pcs x 4.8mm (Black-30,Red-30)
55pcs x 6.4mm (Black-20, White-35)
45pcs x 7.9mm (Black-20, White-25)
10pcs x 9.5mm (Black-5,Red-5)
15pcs x 12.7mm (Black-8,Red-7)

• Top Quality & Stronger Retraction Ratio & ECO-Friendly : Made of high quality polyolefin, 3:1 stronger retraction ratio makes it more suitable for electrical isolation or insulation of the open wires or the connected one.Our heat shrink tubes are both UL & CSA certified for up to 600V, 257 degrees Fahrenheit which ensures its safe and reliable. They are also RoHS Compliant, Formaldehyde (HCHO) Free.
• afe & Easy Used: Our heat shrink tubes has the advantages of good electrical insulation, good tightness and corrosion resistance, high temperature resistance. Cover the bare wire part with these tubes, heat it with soldering iron, heat or even hair dryer , the tube will shrink protect the wires and give you a professional look of the repair job! Note: Make sure temperature of your heat is up to 212℉(Fahrenheit), then glue inside will soften and seal the connection..
• Multiple sizes high-quality heat shrink tubing for your choos is very suitable for any project workshop，they can be used for solder joint protection, group of lines marking, resistance electric capacity reason protection，car audio install，solar and ATV setups.fixing the broken wires, electrical insulation, wire connection etc. You can also use it for allthe iphone and ipad charging cable and headset 。great for boat trailer wiring or for anyone who lives in a swamp。.
• Applied Length & Inner Diameter: Dual Wall Adhesive Heat Shrink Tubing designed with the same length 45mm and multiple inner diameter and 7 Size: 2.4mm(85pcs), 3.2mm(50pcs), 4.8mm(60pcs), 6.4mm(55pcs), 7.9mm(45pcs), 9.5mm(10pcs),12.7mm(15pcs),the kit would fit snugly over 4 awg - 28 awg bare wire.
• What you get: 7size,3 colors（Black,White,Red） 3:1 retraction ratio heat shrink tubes,total 320pcs. Comes with storage box.