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| Brand Name: | Kaff Rees |
| MOQ: | 20 Cubic Meters |
| Price: | Negotiable |
| Payment Terms: | EXW/FOB/CIF |
| Supply Ability: | According to products |
Polyisocyanurate PIR is a foaming material made by the polymerization of isocyanate and polyether. Its physical and fire resistance is better than that of polyurethane. It has the advantages of small thermal conductivity and high dimensional stability, and it belongs to organic hard thermal insulation material.
| Item | Unit | Technical Data | Test Mode |
|---|---|---|---|
| Density | kg/m3 | ≥40 | ASTM D1622 / ISO 845 |
| Thermal Conductivity | W/(m*K) |
≤0.035 (+100℃) ≤0.029 (+50℃) ≤0.025 (+10℃) ≤0.024 (0℃) ≤0.023 (-50℃) ≤0.022 (-100℃) ≤0.017 (-150℃) ≤0.016 (-170℃) |
ASTM C177 |
| Compressive Strength | kPa |
+23℃: ≥200 -165℃: ≥280 |
ASTM D 1621 |
| Tensile Strength | kPa |
+23℃: ≥320 -165℃: ≥265 |
ASTM D 1623 |
| Flame Spread Index | ﹤25 | ASTM E84 | |
| Oxygen index | ≥30 | GB/T 2406.2 | |
| Water Absorption by Vol. | % | ≤2 | ASTM D2842 |
| Water Vapor Permeability | ng/(Pa*s*m) | ≤5.5 | ASTM E96 |
| Closed Cell Ratio | % | ≥95 | ASTM D6226 |
| Lineal Thermal Expansion Coefficient | m/(m*K) | ≤70×10-6 | ASTM D696 |
| PH Value | 5.5-7 | ASTM C871 | |
| Chloride Content | ppm | ≤60 | GB/T 11835 |
| Elastic Modulus | MPa | ≤16 | ASTM D1623 |
| Service Temp. | ℃ | -196～+120 |
It is a kind of ideal organic low-temperature heat insulation materials, which has the advantages of small thermal conductivity and high dimensional stability. It is suitable for a wide range of temperatures and is widely used in LNG, ethylene, cold storage and other low-temperature industries.
