PVC (our commonly used PVC lines are 1007\1015\1061, 1430, 1571)-polyvinyl chloride (PVC) plastic is a multi-component composite material based on polyvinyl chloride resin. Most of the USB Cables we produce use this material. According to the requirements of various wires and cables, plasticizers, stabilizers, fillers, flame retardants, processing aids (lubricants), ultraviolet absorbers, colorants and special-purpose additives are added to the PVC formula. For insulation and sheathing (mainly there are four temperature grades of 70, 80, 90, and 105 degrees). Basic determination method: When burning, yellow flame, black smoke, green flame at the bottom, foul smell.
PE (our commonly used 3266\3385) - polyethylene has excellent electrical insulation (dielectric constant and dielectric loss tangent tgδ are very small), if you need this material, our DC Cable can also be customized. Excellent chemical stability, low air permeability and small water absorption, small specific gravity, non-toxic, and good plasticity, easy to process and shape. Mainly used for communication cable insulation. Basic determination method: the appearance is relatively bright. When burning, the flame is yellow on the top and blue on the bottom, dripping, and has a slight candle smell.
PP--The appearance of polypropylene is white waxy solid, relatively transparent, non-toxic, low water absorption, only 0.03-0.04%, and flammable. The specific gravity is 0.91, which is the smallest of the commonly used plastics. Mainly used for core wire insulation. Basic determination method: the surface is relatively smooth, and compared with PE, it is harder. When it is burned, the flame will be yellow at the top and blue at the bottom, dripping, and there will be a smell, and there will be a slight candle smell afterward.
XLPE/XL-PVC--thermosetting material, mainly used as insulation, the highest temperature resistance level of XLPE can reach 150 degrees. Fundamental identification method: cut a section of wire and remove the conductor, start burning from the middle with fire, and then pull the wire hard, the section is very round.
PU--has good physical and chemical functions, and is often used as a sheath for connecting wires and spring wires of construction machinery and other equipment. Basic identification method: magnetic, good elasticity, swelling and dripping when burning.
TPE/PO (Thermoplastic Elastomer) - low-smoke and halogen-free flame retardant.
