PIR/PUR sandwich panels and rock wool composite panels - complete technical specifications
Premium polyurethane insulation panels for cold rooms and industrial buildings
Our polyurethane (PUR/PIR) sandwich panels are the core product of Yanghu. With excellent thermal insulation properties and B1 fire rating, they are widely used in cold storage, logistics centers, food processing plants, and industrial buildings.
| Parameter | Specification | Status |
|---|---|---|
| Thermal Conductivity | ≤ 0.023 W/mK | Compliant |
| Density | 40 ± 2 kg/m3 | Compliant |
| Water Absorption | ≤ 4% | Compliant |
| Dimensional Stability | ≤ ±1% | Compliant |
| Compressive Strength | ≥ 0.15 MPa | Compliant |
| Fire Rating - Cold Panel | B1 | Compliant |
| Fire Rating - Rock Wool | A2 | Compliant |
| Oxygen Index | ≥ 26 | Compliant |
Thickness Options: 30 / 40 / 50 / 60 / 75 / 80 / 100 / 120 / 150 / 200 mm
Joint/Connection Types: O-type injection coupling, room temperature plug-in, ultra-low temperature plug-in, tongue-and-groove
Steel Sheet Options: Color coated steel, galvanized steel, Baosteel (optional)
Applications: Cold storage, logistics centers, food processing plants, industrial buildings
Interface Types by Thickness:
30/40/50/60/75/80mm - Standard coupling
100/120/150/200mm - Enhanced coupling with better sealing
PU edge-sealed A2 fire-rated panels for maximum safety
Our latest product combines high-density rock wool core with polyurethane edge sealing. With A2 non-combustible fire rating, it offers superior fire resistance, excellent sound insulation, and environmental durability.
| Feature | Specification |
|---|---|
| Core Material | High-density rock wool + PU edge seal |
| Fire Rating | A2 (Non-combustible) |
| Thickness Range | 50 / 75 / 100 / 120 / 150 / 200 mm |
| Steel Sheet | Color coated / Galvanized / Baosteel |
| Applications | Cold rooms, factories, logistics centers, fire-rated walls |
We maintain strict quality control procedures in our production process:
Full automatic integrated forming equipment ensures consistent product quality across all production runs.
View CertificationsContact us for OEM/ODM services with custom dimensions and specifications.
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