Place of Origin:
Made in China
Brand Name:
DR
Certification:
SGS
Model Number:
DR-447
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Good Scratch Resistance Polyurethane Resin For Spray Coatings
Polyurethane resin DR-447 is a kind of aromatic fluid PU resin and has excellent adhesiveness with PVC, leather, PU synthetic leather, TPR, and rubber.
Specification
| Item | Unit | DR-447 | DR-457 |
| Chroma | APHA | ≤ 100 | |
| Solid content | % | 38±2 | |
| Viscosity | mPaS/35℃ | 12000-20000 | |
| Solvent content | Ester/alcohol | ||
| Tensile strength | Mpa | ≥ 15 | ≥20 |
| Modulus at 100% | Mpa | 3-5 | 8-10 |
| Elongation percentage | % | ≥ 600 | ≥500 |
| Glass transition temperature | ℃ | -31.2 | -27.2 |
Commendatory formulation:
| Element | Dosage |
| DR-447/DR-457 | 65 |
| F-6# | 5 |
| DOW CORNING® 3 | 0.2-0.5 |
| BYK®053 | 0.2 |
| Polyketone resin | Adaptive |
| Butanone | 6 |
| Cyclohexanone | 6 |
| Xylene | 10 |
Notes :Seal it immediately after use and keep it away from fire
Store :Preservation in the cool and dry place
Shelf life:Guarantee period of this product is 1 year in right store condition
Packing :200kg/ drum
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