2-Component Polyurethane(Flooring) paint
Specialty Additive 2025-03-04
Formulation：Green pigment 12%+Polyol 55%+Extenders 25%+Additive 8%
2-Component Polyurethane Flooring Paint Technical Data Sheet
| Category | Specifications |
|---|---|
| Product Type | Two-part aliphatic polyurethane |
| Component A | Hydroxyl-functional acrylic resin |
| Component B | Polyisocyanate hardener (HDI trimer) |
| Mix Ratio (A:B) | 4:1 or 5:1 (volume basis) |
| Pot Life (25°C) | 30-90 minutes |
| Touch Dry | 2-4 hours |
| Full Cure | 7 days (at 25°C/50% RH) |
| Key Properties | Performance Data |
|---|---|
| Adhesion | ≥4.5 MPa (concrete) |
| Abrasion Resistance | ≤30 mg (CS-10. 1000 cycles) |
| Chemical Resistance | Excellent vs. oils, fuels, weak acids |
| Impact Resistance | 50 kg·cm (ASTM D2794) |
| Gloss Retention | >80% after 1000h QUV |
| Physical Properties | Values |
|---|---|
| Solid Content | 60-70% |
| VOC Content | 300-400 g/L |
| Recommended DFT | 80-150 μm |
| Service Temperature | -40°C to +120°C |
| Color Stability | ΔE<1 (1000h UV) |
| Application Data | Guidelines |
|---|---|
| Substrate Prep | Concrete: ISO 8501-1 Sa2.5 |
| Application Methods | Roller, brush, airless spray |
| Ambient Conditions | 10-30°C, RH<80% |
| Recoat Window | 16-24 hours |
| Coverage Rate | 0.15-0.25 kg/m²/100μm |
| Safety & Compliance | Standards |
|---|---|
| Flash Point | Component A: 38°C; B: 45°C |
| GHS Classification | H315. H317. H319. H335 |
| Shelf Life | 12 months (25°C) |
| PPE Requirements | Respirator, gloves, goggles |
| Regulatory Compliance | REACH, EPA compliant |
| Advantages | Limitations |
|---|---|
| Superior UV resistance | Higher cost than epoxy |
| Excellent abrasion resistance | Sensitive to moisture |
| Maintains color/gloss | Requires precise mixing |
| Flexible film | Longer cure time than epoxy |
| Chemical resistant | Limited pot life |
| Comparison | Polyurethane | Epoxy |
|---|---|---|
| UV Stability | ★★★★★ | ★★☆ |
| Chemical Resistance | ★★★★ | ★★★★★ |
| Abrasion Resistance | ★★★★★ | ★★★★ |
| Moisture Tolerance | ★★☆ | ★★★★ |
| Application Window | ★★★ | ★★★★ |
Typical Applications:
Factory floors
Parking garages
Aircraft hangars
Showrooms
Chemical plants
References:
ASTM D4060-19 – Abrasion Resistance
ISO 2812-4 – Chemical Resistance
GSBC 14060 – Floor Coatings Standard
