Self-Healing Polyurethane Coating Resin SH-200
CAS 9009-54-5
On RequestMOQ
50 kg
Lead Time
10–14 days
Packaging
25 kg drums
Specifications
| NV | 60% |
| Shore D (cured) | 45–55 |
| Recovery time at 60°C | 30 min |
| Self-healing temperature | 60°C |
FAQ
Self-healing PU uses dynamic disulfide bonds or hindered urea bonds that break and reform under mild heat. At 60°C, chain mobility increases, allowing scratch surfaces to flow together and restore the original surface. Cooling locks in the healed structure.
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