Masonry Grinding Aid

SikaGrind® MC-731 additive is based on a combination of chemicals that will contribute to water retention, extended board life and air entrainment. SikaGrind® MC-731 meets requirements of ASTM C 91 and ASTM C 270.

Balanced ratio of water retention, set retarding and air entraining components, SikaGrind® MC-731 allows mortar cement producers optimize:
  • Board life.
  • Workability.
  • Air content.
   Additionally SikaGrind® MC-731 improves durability and resistance of mortar to freezing and thawing cycles.