HW's new Si3N4-SiC product is shaped by slip casting way with high pure SIC & SI powder,then sintered through nitrified reaction. NSIC has better performance than normal SiC ceramics productsNSIC products usually worked as Batts,1450 degree high temperature resistance, high strength,long life etc, skype or wechat is gary2518 for more info.HW welcome any process according to sample & technical draft.