UsageSikaGrind® MC-831 is a highly effective air entraining agent. SikaGrind® MC-831 allows independent control and adjustable performance of masonry cement during manufacturing process. Various degrees of change effecting the end performance of masonry cement depends on composition of clinker, limestone or lime.
- Reduce energy and grinding costs
- Increase workability
- Improve board-life
SikaGrind® MC-831 is available in 55 gallon drums, 265 gallon totes and bulk packaging.
Shelf life when stored in dry warehouse conditions between 40 °F and 80 °F (5–27 °C) is 1 year.
SikaGrind® MC-831 should be stored above 20 °F (-6 °C). Product pumping will become difficult in temperatures below 20 °F (-6 °C). Protect from direct sunlight.
The dosage rates of SikaGrind® MC-831 will depend on desired characteristics of each cement. Dosage rates for SikaGrind® MC-831 typically range from 0.035–0.15 % by weight of cement.
The optimum dosage rate should be determined during full-scale cement mill tests. A trained Sika representative is available to assist in dosage calculations and mill test evaluations. SikaGrind® MC-831 should be dispensed as received. Proper dispensing equipment with adjustable flow rates should be used for optimum performance. SikaGrind® MC-831 may be added onto the clinker conveyor belt or sprayed into the mills first compartment. A Sika representative is available to assist with recommendations on your mill system.