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Unglazed tiles consist of one layer - a ceramic shard. The color is obtained from the raw material or is colored by metal oxides throughout the tile body (tile). The surface can remain untreated (natural) or be processed, taking on various surfaces: polished, honed, rusticated, structured, etc. Unglazed tiles include:
Gres Porcellanato (ceramic granite)
Gres red
Clinker
Extruded gres
Majolica
Cotto (terracotta)
Cottoforte
Information on this issue is presented in the article Unglazed tiles .
Standards, articles and books use specialized ceramic tile terms. Below are such terms and their definitions. Which pairs - term and definition - correspond to reality?
Semi-dry pressed ceramic tiles and slabs - Ceramic tiles and slabs produced by pressing a powdered mass into molds under high pressure.
Water absorption (E) - Water absorption is determined as a percentage by mass in accordance with EN ISO 10545-3.
Extruded ceramic tiles and slabs - Ceramic tiles and slabs cut to a specified length from a strip formed by an extruder from a plastic mass.
Glaze - A thin glassy sintered layer covering the surface of a ceramic tile or slab that is waterproof
Angobed Surface - A thin layer of clay slurry applied to the surface of a ceramic tile or slab that has a matte appearance and may be permeable or waterproof.
Ceramic tiles and slabs with an engobed surface are considered glazed.
Material on this issue is presented in standard EN 14411 .
Gres porcellanato. Tiles with a light or colored base, plain (monocolor) or fine-grained with a compacted, vitrified shard, produced by pressing. The technical and commercial name for this type of tile in some countries is as follows:
France - Gres ceramic
Poland - Super Gres
Italy – Gres Porcellanato
Russia – ceramic granite or porcelain stoneware
Spain - Gres Porcelanico
Germany – Porzellan Steinzeugfliesen
Ukraine - Piastrella
Portugal - Granito Porcelanato Ceramica
England – Fully Vitrified Porcelain Tiles or Vitrified Stoneware
Material on this issue is presented in the article Unglazed tiles .
Ceramic tiles and rectangular slabs come in a range of sizes. The names of these sizes and definitions are given below. Which pairs - term and definition - correspond to reality?
The dimensions of tiles and slabs of other shapes are determined by the largest size of the rectangle in which they are inscribed
Technological size (W) - A size established for the manufacturing process of ceramic tiles and slabs, which must correspond to the actual size within acceptable deviations.
Actual size - The size obtained by measuring the surface of ceramic tiles and slabs in accordance with EN ISO 10545-2.
Coordination size (C) - Technological size, including the width of the seam.
Nominal size - Size used to designate a product.
Non-modular dimensions - Dimensions that do not take into account the modular (M) structure.
NOTE See ISO 1006, where 1M = 100 mm.
Modular size - Dimensions of ceramic tiles and slabs determined on the basis of module M, as well as their multiple and divisible, with the exception of tiles and slabs with a front surface area of less than 9000 mm2.
Material on this issue is set out in standard EN 14411 .
Ceramic products can be divided into three groups:
Which of the following products can be classified as veneer ceramics?
Pipes
Brick
Compositions, for example, a vase with flowers, a girl on a swing, etc.
Tile
Facing brick
Roof tiles
Ceramic tile
Expanded clay
Dishes
Information on this issue is presented in the article Ceramic products, facing ceramics .