Polymer-cement coatings
HONGYUAN JS
Polymer-Modified Cement Waterproof Coating
Two-component · water-based waterproofing system
A cold-applied polymer emulsion and cement coating for waterproofing, seepage control and moisture protection.
Product overview
Product overview and technical properties.
Hongyuan polymer-modified cement waterproof coating is a two-component, water-based material made from polymer emulsion and cement with selected additives, functional fillers and pigments. It has good workability and cures to form a durable waterproof membrane.
Technical data
Package and specification
| Item | Type I | Type II |
|---|---|---|
| Liquid component | 20 kg/pail | 20 kg/pail |
| Powder component | 16 kg/bag | 24 kg/bag |
| Mixing ratio by mass | Liquid:powder = 10:8 | Liquid:powder:water = 10:12:(0.5-1.5) |
| Coverage at 1.0 mm dry film | Approx. 2.0-2.2 kg/m² | Approx. 2.0-2.2 kg/m² |
Technical data
Technical standard
GB/T 23445-2009 values preserved from the supplied TDS. The TDS notes that GB/T 23445-2025 takes effect on 1 July 2026.
| Test item | Type I | Type II |
|---|---|---|
| Solid content | ≥70% | ≥70% |
| Tensile strength | ≥1.2 MPa | ≥1.8 MPa |
| Elongation at break | ≥200% | ≥80% |
| Bond strength | ≥0.5 MPa | ≥0.7 MPa |
| Low-temperature flexibility | -10°C, no cracking | — |
| Impermeability | 0.3 MPa, 30 min; no leakage | 0.3 MPa, 30 min; no leakage |
| Negative-side mortar water resistance | — | ≥0.6 MPa |
Technical data
Application performance
| Test item / condition | Requirement |
|---|---|
| Water resistance — appearance after 14 d at 23°C | No cracking, delamination, blistering or damage |
| Bond-strength retention after 7 d water immersion at 23°C | ≥80% |
| Heat-aging low-temperature bendability — Type I, 14 d at 80°C | -8°C, no cracking |
Product features
Performance and advantages
Excellent crack resistance and water resistance
Water-based and environmentally friendly
Cold-applied, easy to use and fast drying on damp substrates without standing water
High tensile strength, good elongation and strong adhesion to a properly prepared substrate
Typical application areas
Where this product fits
Bathrooms, kitchens, floors and balconies
Waterproofing, seepage control and moisture protection
Type I: building waterproofing not subject to long-term water immersion
Type II: positive- and negative-side waterproofing of suitable structures
Transport and Storage
The product is nonflammable and nonexplosive and may be transported as general cargo.
Protect from rain, sunlight, freezing, compression and impact; keep the packaging intact.
Store in a dry, ventilated and cool place; keep the liquid component at or above 5°C and the powder component dry.
Shelf life is 6 months; re-inspect before use after expiry.
Suitability depends on substrate condition, exposure, climate, detailing, film build and the approved project system. Complete a representative adhesion and compatibility trial before full application.
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View detailsOEM · Distribution · Project supply