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Optimix RM725 Repair Mortar (HKHA Class 25)

Optimix RM725 Repair Mortar (HKHA Class 25)

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All product details should refer to the official manufacturer documents. For official product data sheets or technical enquiries, please contact us via WhatsApp.

Optimix RM725 – Lightweight Repair Mortar (Class 25)

Optimix RM725 is a high-quality pre-mixed lightweight repair mortar with shrinkage-compensating properties, certified to Hong Kong Housing Authority Class 25 requirements and PCCS-RM certified by the Hong Kong Concrete Institute. Made with lightweight aggregates for vertical and overhead concrete repairs.

Key Features

  • HKHA Class 25 certified, PCCS-RM approved
  • High early and ultimate strength
  • Thick layer application — up to 50mm vertical, 40mm overhead
  • Chloride and carbonation resistant
  • Low shrinkage, good adhesion
  • Locally produced in Hong Kong

Typical Applications

  • Repairing concrete spalling from reinforcement corrosion
  • Patching hollow and honeycombed concrete
  • Vertical and overhead structural or cosmetic repairs
  • Correcting concrete defects and protecting reinforcement
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Not Sure Which to Choose? These Guides Will Help

石屎剝落與修補:天花剝落、士波拎及香港房署 Class 25 vs Class 40 的全面指南

Concrete Spalling Repair Guide: Thixotropic Rep...

Complete guide to concrete spalling (spalling repair) in Hong Kong: thixotropic repair mortar vs ordinary cement, zinc-rich primer cathodic protection, standard 6-step SOP, Class 25 vs Class 40. Wah Hing...

Concrete Spalling Repair Guide: Thixotropic Rep...

Complete guide to concrete spalling (spalling repair) in Hong Kong: thixotropic repair mortar vs ordinary cement, zinc-rich primer cathodic protection, standard 6-step SOP, Class 25 vs Class 40. Wah Hing...

士波令 vs 英泥

Repair Mortar vs Cement: Why You Should Not Use...

普通英泥修補石屎容易收縮開裂,1-2年後重新剝落。士波令(修補砂漿)聚合物改性,防縮防銹,一次修補可用15-25年。

Repair Mortar vs Cement: Why You Should Not Use...

普通英泥修補石屎容易收縮開裂,1-2年後重新剝落。士波令(修補砂漿)聚合物改性,防縮防銹,一次修補可用15-25年。