PVC cable also has some of its own disadvantages that limit its use. Its disadvantages lie in the following two points:
1) because there are a lot of chlorine elements, burning will emit a lot of smoke will suffocate, affecting visibility
2) ordinary PVC insulation, acid and alkali resistance, heat resistant oil, organic solvent resistance is poor, according to similar chemical principle of dissolution, PVC wire is prone to breakage and cracking in the specified environment.
However, by virtue of its excellent processability and low cost. PVC cables are still widely used in home appliances, lighting, mechanical equipment, instrumentation, network communications, building wiring, and other fields.