BLEND POLYOL FOR PU FOAM PLATE
2020/06/10| View:986
Blend Polyols
Blend Polyols react with isocyanate to form pu foam, which has the characteristics of even and delicate foams, low thermal conductivity, good heat preservation and heat insulation, and high and low temperature stability.
Recommended ratio
Product | Mixture ratio |
Blend Polyols | 100 |
Isocyanate | 105-115 |
Reaction characteristics
Item | Unit | Reaction index |
Cream time | s | 25-35 |
Gel time | s | 160-180 |
Foam properties
Density (kg/m3) | ≥35 |
Obturator (%) | ≥95% |
Thermal conductivity (w/(m*k)) | ≤0.024 |
Compressive strength (kpa) | ≥150kPa |
Water absorption (%) | ≤3% |
Dimensional stability (%) 24 hours -30℃ 24 hours 70℃ | ≤1.0% ≤2.0% |