材料： MATERIAL 接触件：磷青铜 镀锡铅 Contact:phosphor Bronze Tin-Lead plated 焊片：磷青铜 镀锡 Solder tab:Phosphor Bronze Tin-Lead Plated 塑胶本体：热塑性塑料（UL94V-0） Housing:HEAT resistance plastic(UL94V-0) 锁条：耐热树脂（UL94V-0） Slider:Heat resistance plastic(UL94V-0)