Classification of ceramic tiles with respect to water absorption (E) and shaping, from
BS EN 14411:2006
Groups AIIA and AIIb are divided into two parts (Parts 1 and 2) with different product specifications. Part 1 covers most of the tiles in the group; Part 2
covers certain specific products, which are manufactured under different names (e.g. Terre cuite in France and Belgium, Cotto in Italy, and baldosin catalán in
Spain).
covers certain specific products, which are manufactured under different names (e.g. Terre cuite in France and Belgium, Cotto in Italy, and baldosin catalán in
Spain).
Group BIII covers glazed ceramic tiles only. There is a low quantity of dry-pressed unglazed tiles produced with water absorption greater than 10 % that
is not covered by this product group
is not covered by this product group
Requirements for extruded ceramic tiles of Group AIb
(0,5 % < Eb ≤ 3 %)
Requirements for extruded ceramic tiles of Group AIIa-1
(3 % < Eb ≤ 6 %)
Requirements for extruded ceramic tiles of Group AIIa-2
(3 % < Eb ≤ 6 %)
Requirements for extruded ceramic tiles of Group AIIb-1
(6 % < Eb ≤ 10 %)
Requirements for extruded ceramic tiles of Group AIII
(Eb > 10 %)
Requirements for dry-pressed ceramic tiles with low water absorption of
Group BIa
(Eb ≤ 0,5 %)
Requirements for dry-pressed ceramic tiles with low water absorption of
Group BIb
(0,5 % < Eb ≤ 3 %)
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