International Organization for Standardization (ISO)
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ISO 10081-1:2003
Scope
This part of ISO 10081 specifies the classification and designation of dense shaped refractory products of the alumina-silica series, with the following exceptions:
a) products containing more than 5 % of any metallic oxide other than alumina, silica, iron oxide;
b) products containing more than 1 % carbon, carbides, nitrides, oxynitrides or any associated materials.
ISO 10081-1:2003 history
2003ISO 10081-1:2003 Classification of dense shaped refractory products - Part 1: Alumina-silica
1991ISO 10081-1:1991 Basic refractory products; classification; part 1: products containing less than 7 % residual carbon