Automotive Coatings
HDK® pyrogenic silica serves as a rheological additive for automotive finishes and refinishes. With a comprehensive range of hydrophilic and hydrophobic grades, there is an optimum solution for every application. The typical HDK® dosage of 0.6 to ~1% allows for very efficient rheological control.
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Benefits:
- PDMS-free
- Optimal balance of thixotropy and leveling
- Excellent rheology control in 2K PUR coatings
- Superior optical transparency
- Improved anticorrosion performance
- Superb free-flow agent in powder coatings
- Improved storage stability
Applications:
- Semi-polar and polar coatings
- Automotive base coats and clear coats
- Powder coatings
Product Recommendations
Products
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Technical data
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|
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BET surface | ||
approx. 120 m²/g[1] approx. 120 m²/g[1] | ||
175 - 225 m²/g[2] 175 - 225 m²/g[2] |
[1] BET surface | DIN ISO 9277 DIN 66132 | of the hydrophobic silica, [2] BET surface | DIN ISO 9277 DIN 66132, [] Suited, [] Well suited, [] Ideally suited