Set® 45 is a one-component magnesium phosphate-based patching and repair mortar. This concrete repair and anchoring material sets in approximately 15 minutes and takes rubber-tire traffic in 45 minutes. It comes in two formulations: Set® 45 Regular for ambient temperatures below 85° F (29° C) and Set® 45 Hot Weather for ambient temperatures ranging from 85 to 100° F (29 to 38° C).

Features
• Single component - Just add water and mix
• Reaches 2,000 psi compressive strength in 1 hour - Rapidly returns repairs to service
• Wide temperature use range - From below freezing to hot weather exposures
• Superior bonding - Bonds to concrete and masonry without a bonding agent
• Very low drying shrinkage - Improved bond to surrounding concrete
• Resistant to freeze/thaw cycles and deicing chemicals - Usable in most environments
• Only air curing required - Fast, simple curing process
• Thermal expansion and contraction similar to - Portland cement concrete More permanent repairs
• Sulfate resistant - Stable where conventional mortars degrade