... JC/T47-2002 standard. SILICA FUME USED IN ROOF TILESUPER INSULATION,DURABLE,ACID AND ALKALI RESISTANT BUILDING MATERIALS ... OF NEW PRODUCTS Metal or magnesium super insulation roof tileHIGH PERFORMANCE1.High quality,elefant and uniform2.High ... .Environment protection,noise reductionAPPLICATIONS1.Industrial zone,warehouse,residence2.Ceramic,glass and light factory buildings3.Hardware,machinery,electic ...