China Calcium Silicate Board Suppliers - High-Quality Factory Products for Wide Building Applications
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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 Parameters | Rupture strength (MPa) | Non inflammability | Moisture Expansion Rate (%) |
|---|---|---|---|
| Standard Request | ≥4 | A1 | ≤0.25 |
| Testing result | 8.1 | A1 | 0.19 |
| Determined | Pass | Pass | Pass |
| Thickness (mm) | Density | L×W (mm) | Surface treatment |
|---|---|---|---|
| 4 - 25 |
Common type: 1.2–1.5 g/cm³ High-density type: 1.6–2.0 g/cm³ |
2400×1200 Customized available |
Non-belt sanded; belt sanding on the front side is optional. Front side belt sanded; chamfering is optional. |
Frequently Asked Questions
What is the rupture strength of this Calcium Silicate Board?
The testing result shows a rupture strength of 8.1 MPa, which significantly exceeds the standard request of ≥4 MPa, successfully passing the quality determination.
What is the non-inflammability rating of the board?
The board achieves an A1 class non-inflammability rating, meeting the highest fire safety standards for building materials.
What is the moisture expansion rate of the Calcium Silicate Board?
The moisture expansion rate is 0.19%, which is well below the standard safety limit of ≤0.25%, ensuring excellent dimensional stability.
What thickness and dimensions are available?
The thickness ranges from 4mm to 25mm. The standard size is 2400×1200mm, with customization options available to meet specific project needs.
What density options do you offer?
We offer two options: a Common type with a density of 1.2–1.5 g/cm³ and a High-density type with a density of 1.6–2.0 g/cm³.
What surface treatments can be applied?
Options include non-belt sanded (belt sanding on the front side is optional) and front side belt sanded (chamfering is optional).



Environmental Building Board
Fire-proof Board
Sound Resistance
Termite Resistance




