VP-IR01 PU Blend Polyols for PIR Panel
Introduction
VP-IR01 Blend Polyols is the pale yellow and brown transparent liquid . It mixs isocyanate reacts to be foam with good flame retardant performance,good insulation effect, Pale quality, and higher compressive strength. Widely used in the production of pir panel, suitable for low pressure machine and high pressure machine.
Typical Physical Index
Appearance | Pale Yellow and Brown Transparent Liquid |
Hydroxyl Value , mgKOH/g | 200-280 |
Dynamic Viscosity at 25℃ , mPa.s | 150-250 |
Density at 20℃ , g/ml | 1.12-1.16 |
Storage Temperature , ℃ | 10-25 |
Shelf Lift | 6 Months at Temperatures of 20-30°C |
Processing Condition Characteristics
Item | Manual Mixing | High Pressure Machine |
Mixing Ratio (PBW) | VP-IR01 : MDI =100: 150-160 |
Components Temperature , ℃ | 25 | 25 |
Mould Temperature , ℃ | 50-60 | 50-60 |
Cream Time , s | 8-12 | 6-10 |
Gel Time , s | 40-60 | 35-50 |
Free Density , kg/m3 | 30-35 | 30-35 |
The actual data at customer site may be different because of test machine and condition etc. |
Foam Property
Item | Index |
Moulding Density | ≥45kg/m3 |
Closed-cCell Rate | ≥90% |
Initial Thermal Conductivity at 15℃ | ≤0.025 W/m.K |
Compressive Strength (Perpendicular to the Direction of Rising) | ≥BMPa |
Dimensional Stability | 24h at -30℃ | ≤0.5% |
24h at 100℃ | ≤0.5% |
Fireproof Grade | B2 |
Water Absorption | ≤3% |
Packing： 220kg/Net Steel Drum/IBC Tank
