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Fatty-acid modified polyester polyurethane resin. Used in combination with water-thinnable amino resins or polyisocyanates in the formulation of highly flexible aqueous stoving systems with a low co-solvent content such as stone chip-resistant primer surfacers for on-line automotive finishing.
Details
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Chemical Composition
Fatty-acid modified polyester polyurethane resin
Advantages
- very high flexibility
- impact resistance
- outstanding adhesion
- good resistance to solvents and chemicals
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Appearance Properties | |||
| Physical state | Fluid | ||
| Physical Properties | |||
| Density | 1.1 | g/ml | 20°C |
| pH | 6.5 - 8 | 1:3 in deionised water | |
| Viscosity | 200 - 2000 | cP | 23°C- mPa.s |
| Particle size | 30 - 60 | nm | |
| Chemical Properties | |||
| Acidity number | 11 - 15 | mg KOH/g | |
| Non-volatile materials | 44 - 46 | % wt | |
| Hydroxyl percentage | 1.2 | % | |
| Equivalent weight | 1.417 | g/eq | |
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