... 3. TRS: 2400~2850N/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, Drawing dies, Stamping dies, Powde retallurgy dies, ... inserts, Indexable inserts, Woodworking inserts and glass cutter. Tungsten Carbide mechanical seal LSWC