Model | LY5902A functional polyester polyol | LY5902B hardener for functional polyester polyol |
Appearance | Light yellow transparent viscous liquid | Light yellow transparent viscous liquid |
Solid content % | 60±2% | 75±2% |
Viscosity CP25ºC | 1200±300 | 1000±300 |
Proportion | 10 | 2 |
Shelf life | 12 months | 8 months |