One‑sentence intro
A marine‑grade, high‑flow non‑shrink grout engineered to improve durability against chloride and sulfate exposure.
High flow, easy placement for base plates, anchor pockets and tight formwork
Non‑shrink / micro‑expansion to help reduce cracking risk and improve bearing contact
Sulfate resistance (KS ≥ 150) for harsh marine or saline environments
Low chloride permeability to limit chloride ingress in coastal structures
Product Introduction
CBGM Marine Anti‑Corrosion Non‑Shrink Grout is developed for coastal structures exposed to high humidity, wet–dry cycling, salt spray, and sulfate-rich environments. The formulation focuses on a denser cementitious matrix and durability indicators to help slow down chloride ingress and reduce sulfate-related deterioration.
The CBGM series includes CBGM‑1/2/3/4 options to match different flow requirements and section thickness (including a pea‑gravel version for thicker placements).
Typical applications
Coastal bridges, ports, piers, seawalls, breakwaters
Offshore / near‑shore foundations (non‑acidic environments)
Anchor bolt grouting, base plates, bearing seats, precast connections
Salt‑alkali soil infrastructure and coastal industrial facilities
Product Parameters
| Item | CBGM‑1 (Anti‑Corrosion) | CBGM‑2 (Anti‑Corrosion / 340) | CBGM‑3 (Anti‑Corrosion / 290) | CBGM‑4 (Anti‑Corrosion / with aggregate) |
|---|---|---|---|---|
| Sulfate resistance grade (KS) | ≥150 | ≥150 | ≥150 | ≥150 |
| Erosion coefficient (K) | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 |
| Chloride ion penetration (charge passed, C) | ≤800 C | ≤500 C | ≤500 C | ≤500 C |
| Reference standards | GB/T 50448; GB/T 50082; JC/T 1011 | Same | Same | Same |
Product Usage
Marine and coastal foundations, ports, piers, seawalls, breakwaters
Cross-sea bridges, coastal highways, sea-side buildings
Salt-alkali soil infrastructure (foundations, pipe galleries, roads)
Non‑acidic tunnels and underground structures
Remove laitance, dust, oil, weak concrete and loose particles.
Pre-wet concrete to SSD condition (no standing water).
Ensure steel and embedded parts are clean and properly fixed.
Use a forced-action mixer or high-shear mixer for consistent dispersion.
Add powder to clean water gradually and mix until uniform.
Control water addition to meet the specified flow (do not re-temper with extra water).
Seal formwork to prevent leakage; provide vents at high points if needed.
Pour or pump continuously from one side to avoid air entrapment.
Do not vibrate; allow grout to flow and self-level.
Protect from wind and direct sun; keep moist curing as required by the project specification.
In coastal sites, protect fresh grout from seawater splash before initial set.
Not recommended for acidic environments unless validated by project-specific testing.
Always perform a site trial for large-volume pours or critical marine structures.
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Our products have undergone rigorous testing at our national testing laboratory (CABR testing center co., ltd). Renowned Fortune Global 500 firms such as China Railway Group Limited, China Communications Construction Company Limited, and Sinohydro are among our esteemed clients.
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