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Ultra Polymer silicone resin
KR-251 is a methyl silicone resin with a very large molecular weight.
Features
Because of the very high molecular weight, the coating is less likely to crack.
Just dry to form a coating.
A tougher, tougher coating is formed by heating or adding a catalyst.
Normal Features
| Item | KR-251 |
| Appearance | colorless transparent liquid |
| Non-volatile content 105°CX3h % | 20 |
| Viscosity 25°C mm2/s | 18 |
| specific gravity 25°C | 0.92 |
| acid value | <2 |
| solvent | Toluene |
painted Membrane Properties
| Clear Coat | ||
| Curing condition | 25°CX1day | 150°CX30min |
| film thickness(μm) | 8 | 8 |
| Pencil hardness | HB | F |
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