CGM-G60
High Performance Non-Shrinkage Cementitious Micro Concrete
Overview
CGM-G60 is a high performance non-shrinkage cementitious micro concrete designed for structural strengthening, retrofitting, and deep repair works. Formulated with high strength cement, graded aggregates, and functional additives, it offers excellent flowability, strong bonding, and controlled micro expansion. It self-consolidates during curing and compensates for shrinkage through plastic expansion—ensuring void-free, dense placement without vibration or segregation.
Chloride-free, non-corrosive, and environmentally safe, CGM-G60 mixes easily and develops early strength rapidly. Suitable for pouring or pumping into complex or restricted spaces, it delivers long-term durability for demanding structural applications such as jacketing, section enlargement, and heavy structural rehabilitation.
Complies with ASTM C 595 (Standard Specification for Blended Hydraulic Cement) and GB 50728 (Technical Code For Safety Appraisal Of Engineering Structural Strengthening Materials).
Usage
CGM-G60 is suitable for the following applications:
- Section enlargement and structural strengthening (e.g., column and beam jacketing)
- Deep repairs of concrete structures such as bridges, culverts, and slabs
- Precision structural retrofitting and rehabilitation works
- Jacketed construction or encasement of steel structures
- Localized structural repair requiring increased thickness and strength
Application Instruction
- Mixing: Mechanically mix the micro-concrete according to the recommended ratio. Use only full bags for best results. Do not add any additives.
- Substrate Preparation: Ensure surfaces are clean, sound, and pre-wetted (no standing water). Steel reinforcement must be rust-free and may require an anti-corrosion treatment.
- Placement: Secure, watertight formwork is essential. Pour or pump without interruption. For depths over 100 mm, graded coarse aggregate may be added as per design.
- Curing: Maintain formwork for at least 3 days. Cure exposed surfaces immediately after demolding using approved methods to prevent moisture loss.