OPTIMIX RM725 Repair Mortar (HKHA Class25) | Wah Hing Waterproof Materials Mall

OPTIMIX RM725 Repair Mortar (HKHA Class25)


OPTIMIX RM725 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 light-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 RM725 fully complies with the requirements of HKHA Class 25 repair mortar system and is accredited with HKCI Product Conformity Certification Scheme for Repair Mortars (PCCS-RM).


25料, 天花修補, 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 above information & images is just for reference, please read the latest official catalog & package.