Ceramic ring

Material:≥95 alumina ceramic Glazed: No Pb, and RoHS certified Voltage resistance: 16-25kv Hardness:≥90 Water absorption(%): ≤0.02 Temper of rupture(Mpa): ≥3.75 Bending strength(Mpa): ≥275 Bulk density(g/cm³): ≥3.65 Tear-andwear allowance: ≤0.2 Being manufactured with alumina, they are characterized by high strenghth, low dielectric loss, good air tightness and excellent electric insulation. They are suitable for the application as sealing parts under adverse environment conditions with extreme demands. Products line covers complete sizes and specifications and can be manufactured according to customers needs.