... refracotry and insulation material . Our products mainly include insulating brick, refractory brick, refractory castable, ceramic fiber products ... to SPAIN, USA, ITALY, TURKEY,AFRICA etc.JM insulating brick, using high pure mullite as raw material, is ... JM insulating brick is the new energy saving material for insulation.CHARACTERISTIC:Low densityHigh purityLow thermal conductivityExcellent thermal shock ...