Polyurethane Self-levelling Mortar System
Applications:
Composites have almost all the advantages over organic polymers and organic concrete, and are particularly suitable for use in extreme industrial environments such as food hygiene, chemical corrosion, high temperatures and humidity, wet and slippery water, freezing temperatures, and heavy-duty stamping.
Coating properties:
- Strong impact resistance, high wear resistance, service life up to 20~30 years
- Resistant to -40~130℃high and low temperature
- Excellent water vapor penetration
- Very low VOC emissions
- Fast curing property
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Technical Index
| Pilot projects | unit | index | |
|---|---|---|---|
| Dry | Actual Dry | h | ≤4 |
| Time(25℃ ) | Actual Dry | h | ≤24 |
| Shore hardness | d | ≥80 | |
| Impact resistance (500g steel ball) | g.cm | ≤0.03 | |
| Wear resistance (750g/500r) | g | ≥60 | |
| Adhesive strength | level | ≥2 | |
| 24 hours compressive strength | Mpa | ≥30 | |
| 7d compressive strength | Mpa | ≥45 | |
| Water resistance | 7 days | No significant change | |
| Resistance to other chemicals | 7 days | No significant change | |
Construction procedure
| Construction method | Auxiliary material | |
|---|---|---|
| Plain land | Plain land seam cutting (not less than 80*80) | / |
| Primer coat | Scrape with polyurethane primer | / |
| Topcoat | 1.Troweled polyurethane mortar 1st coat with appropriate amount of quartz sand. 2.Troweled self-leveling polyurethane mortar 2nd coat | Quartzsand |
| After completion, the whole ground should be bright and clean, with uniform color and no hollows. | ||
