1. high strength series; 2. model: TJMC1;TJMB6;TJMC2;TJMB7; 3.cold crushing strength: ... refractory lining2.as back-up insulation behind other refractory in furnace, kilns, flues, refining vessels, heaters, regenerators, gas producers and ... main, soaking pits, annealing furnace, catalyst case and similar high temperature industrial equipment. high strength series--Insulating firebricks (TJMC1,B6,C2 ...