Rubber and bitumen coatings
HONGYUAN
High-Polymer Modified Asphalt Coating
Water-based rubberized asphalt coating
A ready-to-use modified asphalt coating for standalone or coating-and-membrane composite waterproofing systems.

Product overview
Product overview and technical properties.
Hongyuan high-polymer modified asphalt waterproof coating is a water-based rubberized asphalt coating made from high-quality petroleum asphalt dispersed in water and emulsified with polymer modifiers. After curing at ambient temperature, it forms a seamless, elastic waterproof membrane and may be used alone or with a compatible sheet membrane.
Technical data
Technical standard
JC/T 408-2005 values from the supplied TDS.
| Property / treatment | Requirement |
|---|---|
| Appearance after stirring | Uniform; no coagulation, lumps or visible asphalt strings |
| Solids content | ≥45% |
| Heat resistance | 80 ± 2°C for 5 h; no flow, slide or drip |
| Impermeability | 0.10 MPa for 30 min; no penetration |
| Bond strength | ≥0.30 MPa |
| Surface-dry time | ≤8 h |
| Through-dry time | ≤24 h |
| Low-temperature flexibility - standard condition | -15°C; no cracking |
| Low-temperature flexibility - after alkali treatment | -10°C; no cracking |
| Low-temperature flexibility - after heat treatment | -10°C; no cracking |
| Low-temperature flexibility - after UV treatment | -10°C; no cracking |
| Elongation at break - standard condition | ≥600% |
| Elongation at break - after alkali treatment | ≥600% |
| Elongation at break - after heat treatment | ≥600% |
| Elongation at break - after UV treatment | ≥600% |
Technical data
Package
| Item | Value |
|---|---|
| Package | 50 kg/pail |
Product features
Performance and advantages
No flowing at high temperature and no cracking at low temperature
Good adhesion, crack resistance and flexibility accommodate substrate expansion and contraction
Resistant to acids, alkalis, chemical corrosion, mildew and weathering
Water-based, ready to use, fast curing and easy to apply
Compatible with modified asphalt sheet membrane in a composite waterproofing system
Typical application areas
Where this product fits
Non-exposed underground structures
Non-exposed industrial and civil roofs
Pipelines and reservoirs
Airports, bridges and industrial waterproofing works
Transport and Storage
Store different product types separately and prevent cross-contamination.
Protect from sunlight and rain and keep the storage area ventilated at 5–40°C.
Shelf life is at least 6 months under stated conditions.
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