Optimix RM725 Repair Mortar (HKHA Class 25)

Product description

A polymer-modified, shrinkage-compensated lightweight cementitious repair mortar complying with the Hong Kong Housing Authority Class 25 repair-mortar specification and accredited under the HKCI PCCS-RM scheme.

Key features

• Lightweight, high-build formulation for vertical and overhead work
• Good early and ultimate strength, low shrinkage and substrate adhesion
• Resistance to chloride ingress and carbonation
• Consistent prebatched quality that helps control repair-material wastage

Applications

• Repair of spalled concrete caused by reinforcement corrosion
• Patching of voids, honeycombing and general concrete defects
• Slabs, beam soffits, columns and other vertical or overhead areas
• Reinstatement of defective concrete cover around embedded reinforcement

Selection guidance

Use where a Class 25 concrete-repair specification is appropriate. Confirm repair depth, layer build-up, associated Optimix PE bonding treatment and curing from the latest TDS and project specification.

Browse the Optimix product range or other concrete repair mortars. Refer to the latest official TDS attached to this page for technical values, application method and limitations.