• The surface area of microfine dust is more, approx. 1kg Dust has 400 sq. meter Surface area.
More dust, more surface area, and more surface area mean an increase in the
water-cement ratio.
• Dust free crushed plaster sand gives very good strength compared to river sand.
• Dust free sand increases workability in manual plaster.
• No impurities in machine-made plaster sand. This increases 30% strength of the plaster.