| 摘要 |
PURPOSE:To prevent the contact of alkali in cement with air, to inhibit surface whitening and to increase surface strength by blending the base of a finishing material contg. cement, aggregate and a pigment with liq. paraffin. CONSTITUTION:The base of a finishing material contg. cement, aggregate and a pigment is blended with 1-10wt.% liq. paraffin and uniformly mixed. |
