1.Super insulation,durable,acid and alkali resistant 2.Size:As per ... ALKALI RESISTANT BUILDING MATERIALS OF NEW PRODUCTS Metal or magnesium super insulation roof tileHIGH PERFORMANCE1.High quality,elefant and uniform2.High strength ... Environment-friendly,hygienic,non-radioactive4.Fireproof,non-combustible5.Better heat insulation than other tiles6.Insulating,non-conductive7.Acid-resistant,alkli- ...