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The Machine-Made Rock Wool Sandwich Panel is a high-performance building material meticulously engineered for controlled environments and industrial facilities. As a top-tier solution integrating fire resistance and sound absorption, it addresses the core demands of modern construction projects that require strict safety and acoustic standards. Unlike traditional manual-made panels, this machine-produced version ensures consistent quality and structural stability, making it a preferred choice for architects, contractors, and project managers focusing on long-term reliability and performance. Its unique design combines robust surface protection with a high-density core, delivering a balanced combination of functionality and durability that stands out in the industrial building materials market.

The surface of the panel is made of pre-painted steel sheet, which provides excellent corrosion resistance and aesthetic appeal. The pre-painted coating ensures long-lasting color retention and protects the inner structure from external environmental factors such as moisture, dust, and chemical erosion.
The core of the panel adopts high-density rock wool fiber, which is the key component for its fire-resistant and sound-absorbing properties. The rock wool fiber is made from natural volcanic rock, featuring stable chemical properties and non-combustible characteristics.
The panel adopts a vertical fiber layout for the rock wool core. This design significantly enhances the overall strength and load-bearing capacity of the panel. It also optimizes the sound insulation effect by increasing the contact area between sound waves and the fiber, thus improving the acoustic performance of the panel.
Specification Item | Parameter Range |
Panel Thickness | 50 mm / 75 mm / 100 mm |
Rock Wool Density | 100–120 kg/m³ |
Fire Rating | A1 non-combustible |
Sound Insulation Performance | High |
We offer comprehensive customization services to meet the diverse needs of different projects.
Thickness Customization: Based on the specific fire resistance and insulation requirements of the project, we can adjust the panel thickness beyond the standard 50mm, 75mm, and 100mm options.
Surface Coating Customization: The pre-painted steel sheet can be customized with different colors and coating materials, such as PE and PVDF, to match the architectural design and environmental conditions.
Size Customization: We can cut the panel into specific lengths and widths according to the installation dimensions of the project site, reducing on-site processing time and improving construction efficiency.
With an A1 non-combustible rating, the panel does not burn, melt, or produce toxic smoke in case of fire. It can effectively block the spread of fire and provide valuable evacuation time for personnel and property protection.
The high-density rock wool core with vertical fiber layout has excellent sound insulation performance. It can absorb and reduce noise from industrial equipment, mechanical vibrations, and external environmental noise, creating a quiet and comfortable indoor environment.
The vertical fiber layout enhances the panel’s compressive and bending strength, allowing it to withstand heavy loads such as roof snow loads and wall wind loads. The machine-made production process ensures uniform thickness and density of the panel, avoiding structural defects caused by manual operation.
Our Machine-Made Rock Wool Sandwich Panel complies with international and domestic industrial building material standards. Each batch of products undergoes strict quality inspection, including density testing, fire resistance testing, and strength testing, to ensure that the products delivered to customers meet the highest quality requirements.
It is widely used in cleanrooms, laboratories, and pharmaceutical production facilities. These environments require strict control of dust, bacteria, and noise, and the panel’s smooth surface and sound absorption performance can meet these high standards.
The panel is an ideal choice for industrial workshops, warehouses, and power distribution rooms. Its fire resistance and structural strength can adapt to the harsh working environment of industrial sites, and it can effectively isolate noise from production equipment.
It is also suitable for machine rooms, soundproof rooms, and subway stations. These places have high requirements for fire safety and noise reduction, and the panel can provide reliable protection and acoustic optimization.