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Article | REF: C945 V2

Silico-calcareous products

Author: Michel VÉNUAT

Publication date: February 10, 1994 | Lire en français

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    3. Main properties and uses

    3.1 Dense silico-calcareous

    Sand-lime bricks have compressive strengths ranging from 6 to 60 MPa. Their density ranges from 600 to 2,200 kg/m 3 . Their thermal conductivity is on a par with that of conventional dense materials such as concrete and clay bricks. This conductivity ranges from 1.16 to 1.63 W/(m · K) for typical densities of 1,700 to 2,100 kg/m 3 .

    When compressive strength exceeds 200 MPa, bricks generally have very good frost resistance. They can withstand temperatures of up to 550°C. These bricks are used for building work, as filling or facing materials (their rough surface facilitates mortar adhesion). They can also be used to build chimneys. As a result...

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