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China Rock Wool Board Factory: Premium Fireproof Material from Top Suppliers for Sound Absorption

Rock wool board, produced by leading suppliers in China, is crafted from natural minerals like basalt through a high-temperature melting process. This material is classified as A-grade non-combustible, with a melting point exceeding 1000 degrees Celsius, ensuring it does not burn or release toxic substances in the event of a fire. Our rock wool boards are made from non-toxic, harmless raw materials, fully compliant with green environmental protection standards. Additionally, they feature excellent sound absorption properties, making them ideal for applications in environments such as computer rooms, KTV venues, and meeting rooms that demand effective sound reduction. Choose our factory for reliable rock wool solutions that prioritize safety and environmental responsibility
    Forest Calcium Silicate Board for wide building application (8)
    • Excellent fire resistance

      Non-combustible class A material

    • Superior water proofing ability

      Good moisture resisting ability, not easy to generate swelling or shaping.

    • High Strength

      The wall of Calcium Silicate board is very strong and durable, not easy to be damaged.

    • Wonderful sound and heat insulation performance

      Filled with mineral wool, not only heat insulation but also sound insulation

    • Stable Dimensions

      Both moisture movement and the shrinking percentage are controlled in a optimum range.

    Technical Specifications
    Item Non inflammability Water repellency rate Heat conductivity coefficient The contents of potassium oxide and sodium oxide
    Standard Request A1 ≥98% ≤0.04 ≤5.0
    Testing result A1 99.5% 0.039 3.36
    Determined Pass Pass Pass Pass
    Product Dimensions & Density
    Thickness (mm) Density L × W (mm)
    30mm, 50mm, 80mm, 1000mm, 120mm, 150mm 120kg/m³ and 140kg/m³ The most common board size is 1200mm (length) × 600mm (width)
    Product Gallery
    Frequently Asked Questions (FAQ)
    What is the non-inflammability rating of the glass wool?
    Our glass wool products achieve an A1 non-inflammability rating, meeting the highest standard requests for building safety and thermal insulation.
    How does this insulation material perform in humid conditions?
    It performs excellently. The testing results show a water repellency rate of 99.5%, which successfully passes the standard request of ≥98%.
    What is the heat conductivity coefficient of the board?
    The heat conductivity coefficient is 0.039, strictly adhering to the standard request of ≤0.04, ensuring superior thermal insulation efficiency and energy savings.
    What are the available thicknesses and densities?
    The available thicknesses include 30mm, 50mm, 80mm, 1000mm, 120mm, and 150mm. The material density options are 120kg/m³ and 140kg/m³.
    What is the most common board size for installation?
    The most common board size is 1200mm (length) × 600mm (width), which is highly convenient for standard construction, handling, and installation projects.

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