Durable Ceramic Sealing Disc for Pump Valve

Durable Ceramic Sealing Disc for Pump Valve Specification of the ceramic sealing disc 1. Available materials: 96% alumina, 99% alumina, silicon carbide (SiO2) and Silicon nitride (Si3N4) 2. Working surface roughness: fine polishing better than Ra 0.3, diamond polishing better than Ra 0.1 3. Dimension: the max. outer diameter up to 50 mm, thickness according to customer's requirement 4. Other parameters: flatness to be 0.002 mm, perpendicularity: 0.005 mm, Parallelism : 0.002 mm 4. Nominal tolerance: size less than 10 mm with 0.10 mm, size over than 10 mm with 1% of dimensions 5. Precision process available: polishing, fine grinding and milling, CNC machining and so on Prime benefit of the ceramic sealing disc 1. Excellent wear-resistance and superb abrasive resistance, over 276 times in comparison with stainless steel 2. Great mechanical properties, hardness up to 1700 MPa, compressive strength up to 2200 MPa 3. Chemical stability, resistant mo…