Thermal insulation materials and methods of making same

摘要: A strong light weight insulation material having a calcium silicate binder and which inhibits corrosion of stainless steel. The is substantially devoid the usual soluble chloride impurities, includes from 1 to approximately 15 percent sodium or potassium silicate, preferably has no more than 1000 parts ion in million material. disclosure also teaches method forming wherein slurry silicates molded into desired shape. solution then filtered through shape following formation completed.