OPTIMIX RM740 Repair Mortar (HKHA Class 40) | Wah Hing Waterproof Materials Mall

OPTIMIX RM740 Repair Mortar (HKHA Class 40)


OPTIMIX RM740 Repair Mortar is a premium quality pre-mixed, shrinkage-compensated mortar made from selected cements, graded aggregates, lightweight fillers, polymers and special additives. When water is added, it readily blends to produce a medium weight mortar of good consistency for repair purposes. The low water demand of the mortar ensures high early strength and provides other important material properties for reinstatement of concrete elements. OPTIMIX RM740 fully complies with the requirements of HKHA Class 40 repair mortar system and is accredited with HKCI Product Conformity Certification Scheme for Repair Mortars (PCCS-RM).


40料, 結構修補, 石屎修補, 士波拎, 士波令


  • Repair for spalled concrete elements caused by reinforcement corrosion.
  • Patch up repair for general concrete defects such as voids and honeycombing.
  • Structural or cosmetic repair for vertical and overhead applications.
  • Reinstate defective concrete and protect the embedded steel reinforcement.
  • The thickness of repair area should be 10mm or more with localized section of at least 5mm thick.
  • The mortar can be applied up to 50mm thick as a single layer for vertical applications.
  • The mortar can be applied up to 30mm thick as a single layer for overhead applications.

The above information & images is just for reference, please read the latest official catalog & package.