... 2850N/mm2 4. Include:YG6... Tungsten Carbide/ silicon seal /mechanical seal LSWC:Application Products: 1) Cemented Carbide Products. a ... ) Wear-resistant parts Mechanical seal rings,Sleeves, Nozzles, Valve ball, Valve seat, ... Plates. d) Inserts Brazed tips, Screw-on inserts, Indexable inserts, Woodworking inserts and glass cutter. Tungsten Carbide mechanical seal LSWC ...