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MasterCrete CAC 620
High Alumina Hand-Applied Repair Mortar for Sewer and Acid/Abrasion Resistance (formerly MasterEmaco S 620)
How Does MasterCrete CAC 620 Work?
MasterCrete CAC 620 is a ready-to-use, high-alumina cement-based mortar.

Recommended Uses:
Repairs to brick, cast-in-place concrete, and precast concrete sewers.
Reinstating linings of manholes and other access ways.
Tunnel linings or other places where resistance to acidic waters is required.
What Makes MasterCrete CAC 620 a Unique Solution?
MasterCrete CAC 620 is specially designed for sewer repair applications or where acid and/or abrasion resistance is required, using hand-applied systems.
What Are the Benefits of MasterCrete CAC 620?
High Alumina Clinker and Cement: All ingredients are reactive and form an acid-resistant matrix.
Easy to Use: Requires only the addition of potable water for mixing for hand application or wet mix spray.
Self-Healing: The long-term reactivity of the matrix heals surface cracks, increasing the life of the repair.
Good Working Time: Offers over one hour of working time at 21°C.
Controlled Shrinkage: Reduces the tendency for cracking.