Moisture Expansion of Ceramic Tiles - Test Method - BS EN ISO 10545-10:1997

Title

Ceramic tiles. Determination of moisture expansion.

Moisture expansion is the proportional accelerated expansion that results from subjecting reheated tiles to extended immersion in boiling water.

The boil time is usually 24 hours.

The majority of glazed and unglazed tiles have negligible natural moisture expansion that does not contribute to tiling problems when tiles are correctly fixed.

However, with unsatisfactory fixing practices and in certain climatic conditions, natural moisture expansion may aggravate problems, especially when tiles are directly fixed to inadequately aged concrete substrates. In these cases, a maximum limit of 0.06% moisture expansion is recommended when the test is used.

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