Acrylic-Modified Silicone Resin IOTA 6146: High/Low-Temperature Resistance and Gloss/Color Retention for Coatings Rated Above 500°C | IOTA


In applications involving room-temperature air-drying high-temperature resistant coatings and ultra-weather-resistant coatings, key performance factors include resistance to temperature extremes, gloss retention, and cured hardness. IOTA 6146 acrylic-modified silicone resin offers excellent high/low-temperature resistance, good gloss, and solid cured hardness, making it suitable for high-temperature and ultra-weather-resistant coating systems.


Why Choose IOTA 6146?
1. Excellent resistance to high and low temperatures.
2. Good hardness after curing.
3. Good gloss performance.
4. Fast surface drying; reaches "finger-touch dry" status in approximately 30 minutes.
5. Formulated coatings can withstand temperatures exceeding 500°C.
6. Excellent gloss and color retention; suitable for room-temperature air-drying high-temperature resistant coatings and ultra-weather-resistant coatings.


IOTA 6146 Technical Specifications
| Property | Specification |
|---|---|
| Appearance | Uniform, transparent liquid (pale yellow to yellow); slight opalescence allowed; free from mechanical impurities |
| Viscosity, s (Ford Cup No. 4) | 30–70 |
| Solid Content, % | 50 ± 1 |
| Curing Conditions | Fast surface drying; reaches "finger-touch dry" status in approx. 30 minutes |
| Heat Resistance (Clear Film) | Tinplate (200°C) ≥ 300 h |
| Solvent | Xylene |


Applications
IOTA 6146 is widely used in room-temperature air-drying high-temperature resistant coatings and ultra-weather-resistant coatings. It offers excellent gloss and color retention, and the resulting coatings can withstand temperatures above 500°C. Packaging, Storage, and Transportation
1. This product is packaged in 200 kg steel drums.
2. Store in a well-ventilated, cool, and dry place, away from direct sunlight, sources of ignition, and heat. Avoid severe contamination by acids or alkalis.
3. Shelf life: 1 year.


In actual application, it is recommended to verify suitability—considering the substrate, curing conditions, compatible solvents, coating thickness, temperature resistance duration, and downstream processing requirements—to confirm the performance of IOTA 6146 in your specific system.


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November 11–13, 2026 | Guangzhou
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