LOCTITE® PC 7257 is a high-performance concrete and grouting repair system for repairing new or old concrete, wood, or steel materials. It provides rapid setting at a wide temperature range of ─50°C to 1,100°C.
LOCTITE® PC 7257 is a premium magnesium phosphate-based solution for rebuilding and repairing damaged concrete and grouting systems, exhibiting superior performance to conventional concrete repair systems. It can be easily applied at any temperature with minimal shrinkage occurring and sets rapidly from ─25°C to 45°C. It is capable of bonding to new and old concrete, wood, and steel in highway walls, airport runways, potholes, anchoring machinery, refrigeration flood, loading docks, and more.
Appearance: Gray liquid (mix to desired consistency)
Set Time, ASTM C-807, minutes, initial: 3 to 11
Set Time, ASTM C-807, minutes, final: 15 to 22
Coefficient of Thermal Expansion, ASTM C-531, K¯¹: 11×10-0
Damaged concrete and grouting systems
Conventional concrete repair
Repair concrete highway walls, potholes, airport runways, anchoring machinery, commercial refrigeration floors, loading docks, grouting bedplates and soleplates, etc.
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