mainly used for wire connection, solder joint protection, protection and insulation treatment for wire ends of the harness,electronics, surface protection for metal parts and spare parts, rust and corrosion treatment for related products, identification of wire and other products.
Size calculation formula: (width + height < tube size). Meaning that the size of the battery can not exceed the size of the tube, if just about the size of above, it is recommended to choose the larger size.
Small diameter and short head, you can use lighters to shrink; Large diameter or numbers of heat shrink tubing, hot air dryerhot air gun can be used. All the size are flat width, not diameter.