First, the selection of sand:
From coarse to fine level advanced placement cannot too big, emulsion is not the more the better, super multi, affect the sand content, caused by construction of the number is low, when the sand too less materials and plasma partial multi will appear floating color.
Second, the choice of emulsion:
Styrene acrylic emulsion, when the rain time is a bit lonemulsion is relatively moderate, but the hardness is not enough, silicon C is the best choice, construction completed 48 hours later, the material is very stable, good hardness, twenty years, the color basically unchanged.g, pale, weather resistance is poor, yellow; serious when, three years later will fall off. Pure acrylic