What is the compressive strength of calcium silicate board with a density of 300
Release Time: 2026-01-22
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What is the compressive strength of calcium silicate board with a density of 300? Calcium silicate board with a density of 300 kg/m ³ has a moderate to low compressive strength and is suitable for non structural insulation and fire protection applications with low load-bearing requirements. The relationship between density and strength
The strength of calcium silicate board is directly positively correlated with its density. The higher the density, the denser the internal structure, the stronger the bond between fibers and fillers, and the higher the compressive and bending strength. Density of 300 kg/m ³: It belongs to the common density range of insulation boards, and its design intention is to balance low thermal conductivity (good insulation) and certain mechanical strength. Calcium silicate board with a density of 300 kg/m ³ is an excellent lightweight insulation and fireproof material. Its compressive strength is sufficient to meet its design purpose as a "covering layer" and "filling core material", but it cannot be used as a structural load-bearing component.
How to obtain accurate data
The most reliable approach is to request the 'Technical Data Sheet' or 'Testing Report' of the product from the supplier. You should focus on the following parameters: Compressive strength: a clearly marked value, usually measured in MPa or N/mm ². Bending strength: For sheet metal, bending strength is sometimes more critical than compressive strength, as it reflects the ability of the sheet metal to resist bending deformation. Execution standard: Which national standard does the product comply with (such as GB/T in China, ASTM in the United States, EN in Europe), and the strength grade will be specified in the standard.
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