M8 Laser Ceramic Ring D21.4mm D17.8mm , Alumina Ceramic Nozzle Holder , Fiber Laser Cutting Head Spare Parts for Raytools WSX

Material Introduction This laser ceramic ring is made of high-purity 95% alumina ceramic main body, matched with precision stainless steel threaded seat and fluorine rubber sealing O-ring. Alumina ceramic features excellent high-temperature resistance, good electrical insulation, low laser absorption rate, strong thermal shock resistance. It will not crack or deform under continuous high-temperature working environment, effectively isolate current and protect the laser