YDN525 is positioned on the previous site as a high-imino methyl etherified melamine-formaldehyde resin for water-based and solvent-based baking finishes, using isobutanol as solvent and showing partial water solubility.
What this grade is designed to do
YDN525 is positioned on the previous site as a high-imino methyl etherified melamine-formaldehyde resin for water-based and solvent-based baking finishes, using isobutanol as solvent and showing partial water solubility.
Key formulation value
- High-imino cure-response direction
- Suitable for baking-finish screening
- Can be evaluated in both water-based and solvent-based formulation directions
- Useful where crosslink density and film properties are key variables
Working Product Master Data
Use these typical values for initial screening; request the latest approved TDS for commercial qualification.
| Appearance | Transparent to light-yellow viscous liquid |
|---|---|
| Solvent | Isobutanol |
| Non-Volatile Content (105°C, 3h) | 75–80% |
| Viscosity (30°C) | 1000–3000 mPa·s |
| pH (1:1 solution) | 8.0–9.5 |
| Free Formaldehyde | ≤1.0% |
| Water Solubility | Partially soluble |
| Xylene Solubility | Partially soluble |
| Shelf Life | 6 months in cool, ventilated storage |
Technical note: Typical values are for product screening only. Final product selection and commercial qualification should follow the latest approved TDS/SDS and customer-side formulation testing.
Evaluate the resin in the complete polymer system
Compatibility & chemistry
YDNRESIN product guidance includes evaluation with short-/medium-oil alkyds, polyester polyols, acrylic emulsions/dispersions, epoxy resins, cellulose film formers and waterborne polyesters.
What to validate
- Blend stability and clarity
- Catalyst and pH response
- Cure temperature / time
- Hardness–flexibility balance
- Storage stability
- Finished-product performance
Typical evaluation areas
Applications, evidence and technical reading.
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