China Rock Wool Board Factory: Premium Fireproof Material from Top Suppliers for Sound Absorption
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Excellent fire resistance
Non-combustible class A material
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Superior water proofing ability
Good moisture resisting ability, not easy to generate swelling or shaping.
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High Strength
The wall of Calcium Silicate board is very strong and durable, not easy to be damaged.
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Wonderful sound and heat insulation performance
Filled with mineral wool, not only heat insulation but also sound insulation
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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.



Environmental Building Board
Fire-proof Board
Sound Resistance
Termite Resistance



