what is polyurethane varnish used for:
Two-Component Hdf-389 Acrylic Polyurethane Varnish High Gloss Finish Industrial Coatings
Overview: This product is a two-component coating that uses hydroxyl-containing acrylic resin, additives, organic solvents and HDI isocyanate as a curing agent.
Key Features:
Key Features:
-
- Superior Gloss and Color Retention: Ensures a vibrant and long-lasting finish.
- Outstanding Water Resistance: Resists water and alternating oil and water environments.
- Exceptional Chemical Resistance: Protects against various chemical exposures.
- Durable Paint Film: Offers excellent wear resistance.
- Strong Adhesion to Steel: Ensures a secure bond with metal surfaces.
- Good Compatibility with Color Paints: Enhances the overall appearance and protection.
Applications:
- Ideal for use on the outer surfaces of large vehicles, train carriages, locomotive heads, yachts, ships, oil tanks, and aviation fuel storage tanks. Typically used as a topcoat in conjunction with color paint.
Construction Parameters:
- Coating Thickness: 20 μm.
- Thinner: Polyurethane thinner.
- Recommended Number of Coats: 1-2 coats.
- Pre-Coat Matching: Polyurethane topcoat, acrylic polyurethane topcoat
Technical Specifications:
| Attribute | Description |
|---|---|
| Color | Clear and consistent. |
| Gloss | High gloss finish |
| Specific Gravity | 1.05±0.1kg/L |
| Volume Solid Content | 38±1% |
| Curing Time at 25°C | 10 minutes |
| Applicable Period at 25°C | Not less than 4 hours |
Precautions:
- Not recommended for construction when relative humidity exceeds 85% or substrate temperature is 3°C below the dew point.
- Curing reaction is slow below 5°C.
- Strictly no mixing with oil or water.
- Keep away from fire sources and ensure proper ventilation during construction.
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