IPDI Trimer Isocyanate (Yellowing-Free)
CAS Number: 53880-05-0
IPDI trimer (isophorone diisocyanate isocyanurate) is a cycloaliphatic isocyanate hardener offering superior yellowing resistance and weatherability compared to HDI trimer. It is widely used in premium furniture topcoats, light-stable clear finishes, and UV-resistant exterior wood coatings where the highest color stability is required.
Technical Specifications
| appearance | Clear to slightly yellow liquid |
| NCO content | 17.0–17.5% |
| color (Hazen) | ≤20 APHA |
| solid content | ≥99% |
| equivalent weight | 240–250 g/eq |
| viscosity (23°C) | 500–1,500 mPa·s |
Applications
- Premium 2K PU clear lacquers for wood furniture
- Light-colored and white furniture topcoats
- Exterior wood coating systems
- UV-curable PU hybrid formulations
- High-gloss decorative wood finishes
Key Features
- Cycloaliphatic structure provides best-in-class yellowing resistance
- Excellent exterior durability and UV stability
- Lower viscosity than HDI trimer for easier formulation
- Compatible with acrylic and polyester polyols
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CAS Number
53880-05-0
Category
Wood / Furniture CoatingsAvailability
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