密封圈：为电镀设备设计专用。例如镀铜设备和镀铬设备。分为橡胶和硅胶两种材质。类型为燕尾垫和平垫。特点为耐酸碱 、抗老化、耐磨等。标准规格为外径150mm，内径120mm.其它规格可定制。sealing ring is used in the electroplating equipments ,such as copper electroplating and chrome electroplating. It's pided in to silica gel and rubber. acid-resistant, alkali-resistant, anti-aging and wear-resistant. Standard specifications :the outer diameter of 150 mm, inner diameter 120 mm. Special specifications can be booked