This document specifies two methods for determining the permanent change in dimensions of a dense shaped refractory product.

Shaped refractories are those which have fixed geometry and dimensions when delivered to the user. This document is accordingly applicable to standard shape refractory bricks, but also special shapes refractory products and pre-cast products.

This document does not apply to products containing carbon.

NOTE The methods can be applied to materials sensitive to oxidation. However, some of these materials canbe affected during the test in such a way as to make the measurement of the dimensional changes impossible tocarry out to the required accuracy.

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