Place of Origin:
china
Our fireproof rock wool core for exterior wall metal sandwich panels is specially engineered for building facade metal sandwich panels, serving as the thermal and fire protection core material for exterior wall envelope systems. Featuring a high-density rock wool formulation, it delivers excellent wind load resistance, capable of withstanding high wind pressures on high-rise buildings when laminated with metal facings.
Meeting Class A1 non-combustible fire standards, it does not burn or emit toxic fumes, effectively preventing vertical fire spread along facades. With low thermal conductivity, it meets building energy efficiency standards, making it the ideal core for industrial plants, warehouses, and commercial complex exterior wall sandwich panels.
| Parameter Product | CL100 | CL120 |
|---|---|---|
| Density (kg/m³) | 100 | 120 |
| Tensile Strength (kPa) | ≥150 | ≥200 |
| Compression Strength (kPa) | ≥70 | ≥100 |
| Sheering Strength (kPa) | ≥60 | ≥80 |
| Acidity Coefficient | ≥2.0 | |
| Thermal Conductivity (W/m*K, 25°C) | ≤0.045 | |
| Hydrophobic Rate (%) | ≥99.0 | |
| Combustibility | A1 | |
| Short-term Water Absorption (kg/m², Partial Immersion) | ≤0.4 | |
| Mass Moisture Absorption (%) | ≤0.3 | |
| pH (Aqueous Extract) | 7.0 - 9.5 | |
Meets Class A1 non-combustible standard, with no burning or toxic fumes, effectively preventing vertical fire spread along facades.
High-density formulation ensures high compressive and shear strength, enabling panels to withstand strong wind loads on high-rise buildings.
Low thermal conductivity meets building energy efficiency standards, supporting green building certification.
High acidity coefficient ensures corrosion and aging resistance, with no powdering or shrinkage over time.
High flatness ensures precise cutting, no edge chipping, adaptable to automated lamination processes.
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