... capacity annuely, including plant design, equipments installation, technical instruction, personel training, etc., and also can design and manufacture as ... MgO, less than 5%. (2). Gypsum: dihydrate plaster stone or phosphogypsum, sulphur trioxide content, ≥35%. (3). Aluminium powder: ... less than 3%; Free from weed and carpolite.B.Main technical data:(1). Finished products: 600KG/m3;(2). Proportion: ...