Tinuvin 292 is a liquid hindered amine light stabilizer (HALS) developed specifically for coatings. Here's a breakdown of its key features and applications:
- Product Description: Tinuvin 292 is a liquid mixture of two active ingredients designed to provide extended lifetime to coatings by minimizing paint defects such as cracking and loss of gloss.
- Key Features & Benefits:
- Versatile HALS suitable for both water- and solvent-based coatings.
- Extends the usable lifetime of coatings by minimizing loss of gloss and cracking.
- Excellent compatibility with a wide variety of coating systems.
- Chemical Structure: Tinuvin 292 comprises Bis (1, 2, 2, 6, 6-pentamethyl-4-piperidyl) sebacate and Methyl 1, 2, 2, 6, 6-pentamethyl-4-piperidyl sebacate.
- Properties:
- CAS No: a) 41556 – 26 – 7, b) 82919 – 37 – 7
- Appearance: Slightly yellow liquid
- Molecular weight: a) 509, b) 370
- Dynamic Viscosity at 20°C: 400 cps
- Applications: Tinuvin 292 finds applications in various coatings, including automotive coatings (non-acid catalyzed), industrial coatings, wood stains or do-it-yourself paints, radiation curable coatings, and more.
- Compatibility: Demonstrated compatibility with a wide range of binders, including polyurethanes, acrylics, alkyds, polyesters, waterborne acrylics, phenolics, vinylics, and radiation curable acrylics.
- Recommended Concentration: The recommended concentration varies based on the type of coating. For clear coats and one-coat solid shades, concentrations typically range from 0.5% to 2% Tinuvin 292.
- Safety: Standard safety precautions must be observed when handling Tinuvin 292, as outlined in Federal, State, and Local health and safety regulations. Detailed safety information is provided in the Safety Data Sheet.
- Storage: Storage guidelines are provided in accordance with the "Handling and Storage of Polymer Dispersions" brochure.
Overall, Tinuvin 292 is a versatile light stabilizer suitable for a wide range of coating applications, offering excellent compatibility and extended lifetime to coatings.