SIGMATHERM™ 175
SIGMATHERM™ 175 – Heat Resistant Aluminum Finish (Up to 175°C)
URSA Associates is a trusted supplier and distributor of SIGMATHERM™ 175, a heat-resistant modified alkyd aluminum finish specially designed for high-temperature industrial surfaces. This coating provides excellent brilliancy and long-term protection for steel exposed to temperatures up to 175°C (350°F).
Key Features
- Heat Resistant: Withstands temperatures up to 175°C (350°F).
- High Brilliancy: Attractive aluminum gloss finish.
- Spray Friendly: Spray application improves surface appearance.
- Durable Protection: Suitable for uninsulated steel systems.
- Stable Performance: Minimum 3 days drying at 20°C before heat exposure.
Technical Data (At 20°C)
| Product Type | Heat-resistant modified alkyd aluminum finish |
|---|---|
| Number of Components | One |
| Mass Density | 1.0 kg/L |
| Volume Solids | 47 ± 2% |
| VOC (Supplied) | Max 417 g/L (EU Directive 2010/75/EU) |
| Recommended DFT | 25 μm (1.0 mil) per coat |
| Theoretical Spreading Rate | 18.8 m²/L at 25 μm |
| Dry to Touch | 1 hour |
| Overcoating Interval | Minimum 16 hours / Maximum Unlimited |
| Shelf Life | Minimum 24 months (Cool & Dry Storage) |
| Color | Aluminum |
| Gloss Level | Gloss |
Application Details
- Air Spray: Thinner 20-05 (0–3%), Nozzle 1.8–2.0 mm, Pressure 0.3–0.4 MPa
- Airless Spray: No thinner, Nozzle 0.33–0.38 mm, Pressure 12–15 MPa
- Brush/Roller: No thinner required
- Cleaning Solvent: Thinner 20-05
- Application Condition: Substrate temperature minimum 3°C above dew point
Overcoating Interval (DFT 25 μm)
| Temperature | Minimum | Maximum |
|---|---|---|
| 5°C | 36 Hours | Unlimited |
| 10°C | 36 Hours | Unlimited |
| 20°C | 16 Hours | Unlimited |
Curing Time (DFT 25 μm)
| Substrate Temperature | Dry to Touch |
|---|---|
| 5°C | 3 Hours |
| 10°C | 3 Hours |
| 20°C | 1 Hour |