YY-120C | Concentrated Concrete Primer
YUNYAN YY-120C is a concentrated dispersion primer for improving adhesion and controlling substrate absorption before compatible self-leveling compounds, mortars, coatings, or tile systems. It is intended for interior and exterior use on approved concrete, tile, wood, plywood, and other sound substrates after the required dilution and site trial.
For dependable results, specify Concentrated Concrete Primer as part of a complete system, verify substrate compatibility, and follow the approved technical data sheet and site trial.
In specification and procurement searches, concrete primer is the primary product term for this page. Buyers comparing a concrete primer manufacturer can evaluate technical compatibility, packaging, and project support with YUNYAN. For applications requiring primer for self leveling compound, complete a site trial and follow the approved installation method.
Key Features & Benefits
· Provides a uniform protective and decorative film on compatible, correctly prepared substrates.
· Designed for practical brush, roller, or spray application according to product type.
· Supports project color selection and a consistent finish.
· Suitable for maintenance, renovation, and new construction coating work.
· Can be used with compatible primers and intermediate coats as part of a complete coating system.

Recommended Applications
· Concrete and masonry.
· Prepared steel or metal.
· Interior and exterior architectural surfaces.
· Commercial and industrial maintenance.
· Decorative renovation projects.
Why Choose YUNYAN
Choose this product when the project brief calls for concrete primer with clear technical documentation and consistent supply. YUNYAN supports importers, contractors, and distributors that need a responsive concrete primer manufacturer. Where the specification requires primer for self leveling compound, the final system should be confirmed against substrate conditions and service exposure.
Technical Information
| Color | White, yellow, or custom colors |
| Dilution Ratio | Dilutable with up to 3× water by volume |
| Bonding Strength | ≥ 1.0 MPa |
| Anti-Permeability | After 4 hours |
| Anti-Permeability Pressure (7d) | ≥ 0.6 MPa |
| Solid Content | ≥ 40% |
| Density | 1.2 kg/L |
| pH Value | 6.0 |
| Coverage | Approx. 30 m²/L for two coats |
| Initial Dry Time @25°C | 25–30 min |
| Final Dry Time @25°C | 4–6 h |
| Application Temp Range | +5°C to +35°C |
| Construction Tools | Brush, roller, mop, air spray machine |
| Packaging | 20 kg, 5 kg |
| Shelf Life | 12 months, unopened, dry & cool place |
Technical values are typical source-document values and should be checked against the latest approved TDS before publication, specification, or site use.
Application Guide
1. Prepare the substrate by removing rust, dust, grease, loose coatings, salts, and other contamination.
2. Stir or mix the product thoroughly; thin only with the approved material and within the TDS limit.
3. Apply the specified number of even coats by brush, roller, or spray, respecting recoat windows and target film build.
4. Protect the coating from rain, condensation, dust, and service loads until fully cured.
Packaging, Storage & Safety
|
Packaging |
20 kg & 5 kg |
|
Storage / Shelf Life |
The product should be protected against frost and direct light during transportation, storage and application. Application temperature should not be lower than 5°C. Non-warranty: Because the storage, handling and application of the material is beyond |



