... year, 300, 000m3 /year,2. Drying methods: using autoclave3. Raw material: Fly ash(or Sand), cement, lime, gypsum, aluminum ... with GB/T11968-1997 Standard6. Production technology:According to raw material's category, quality and technological characteristics of main ... , proper cement, gypsum and aluminum powder paste and finally filled into mould. After maintaining, foaming and solidifying, blocks or ...