... products, 7) Good frost resistance, 8) Outstanding ability of preventing osmosis, 9) Fine waterproofness amd interneration, 10) ... it can be made into many kinds of bricks(for example:600×200×100,80×80×180,240 ... the big grain,main use silicon material (for example:coal ash,sand,stone dust and others ), ... be used directly if has enough degree of small (for example coal ash.Mixing calcium material lime cement ...