1. Identification method:
Use a caliper or micrometer to measure the outer diameter of the plastic and the outer diameter of the copper core. The better diameter is larger; use a lighter to ignite the plastic layer of the wire. Leave the plastic layer of the wire and the flame should go out, this is the effect of the added flame retardant.
2. A brief introduction to Liwan Wire Factory:
The main products of Liwan Wire Factory are: PVC insulated wires, plastic cables, plastic control cables, flame-retardant cables, highways There are 8 series of thin-walled insulated low-voltage wires for vehicles with more than 1,000 specifications. The products all adopt the Sanquan brand trademark and implement national standards (GB), IEC standards and foreign advanced standards. The Guangzhou Municipal Government awarded the factory "Advanced Enterprise in Adopting International Standards" "title.