Ceramic tiles: terms and definitions

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You scored -17 out of 50 possible points.

Your result: -34%

Question 1

Standards, articles and books use specialized ceramic tile terms. Below are such terms and their definitions. Which pairs - term and definition - correspond to reality?

Score: 10 out of 10

Your Answer	Option	Right?	Result
	Water absorption (E) - Water absorption is determined as a percentage by mass in accordance with EN ISO 10545-3.		1
	Ceramic tiles and slabs with an engobed surface are considered glazed.		0
	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.		1
	Semi-dry pressed ceramic tiles and slabs - Ceramic tiles and slabs produced by pressing a powdered mass into molds under high pressure.		1
	Glaze - A thin glassy sintered layer covering the surface of a ceramic tile or slab that is waterproof		1
	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.		1

Material on this issue is presented in standard EN 14411 .

Question 2

Ceramic tiles and slabs are used mainly for flooring and wall cladding. As a rule, they are molded at room temperature using the extrusion method (method A) or the semi-dry pressing method (method B). Indicate what types of ceramic tiles are molded using the semi-dry pressing method (method B).

Score: 5 out of 10

Your Answer	Option	Right?	Result
	Clinker		0
	Cottoforte		0
	Gres red		1
	Majolica		0
	Cotto (terracotta)		0
	Porcelain tiles		1

Information on this issue can be found on the forum Classification of tiles and area of use .

Question 3

Glazed ceramic tiles can be used to cover walls and floors. Which of the following statements regarding glaze are true?

Score: 0 out of 10

Your Answer	Option	Right?	Result
	Glaze, consisting of frits only, is used only to achieve a shiny surface on some types of wall tiles.		0
	Frit is a special type of glass that, during the firing of the tile, melts and adheres tightly to the shard.		1
	Tsek is a type of glaze defect. This occurs due to the difference in the expansion coefficients of the shard and the glaze itself. The center has the appearance of web-like cracks.		1
	The fragility of the adhesion of the glaze to the shard is expressed in the formation of a network of cracks in the glaze layer (cek) or the detachment of the glaze from the shard after firing and cooling.		1
	Glaze is a shiny or enamel glassy layer in the form of a thin film (1 - 3 mm).		-1
	The chemical composition of the glaze and the ceramic shard is different. Their thermal expansion also varies in size.		0
	Transparent glazes are colorless and colored.		1
	Transparent glazes are also called enamels.		-1

Material on this issue is in the article Glaze general concepts and classification .

Question 4

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:

Score: 8 out of 10

Your Answer	Option	Right?	Result
	Gres Porcellanato (ceramic granite)		1
	Extruded gres		0
	Gres red		1
	Cotto (terracotta)		1
	Majolica		0
	Clinker		1
	Cottoforte		0

Information on this issue is presented in the article Unglazed tiles .

Question 5

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:

Score: -40 out of 10

Your Answer	Option	Right?	Result
	Russia – ceramic granite or porcelain stoneware		1
	Spain - Gres Porcelanico		1
	Ukraine - Piastrella		-10
	England – Fully Vitrified Porcelain Tiles or Vitrified Stoneware		1
	Germany – Porzellan Steinzeugfliesen		1
	Italy – Gres Porcellanato		1
	Portugal - Granito Porcelanato Ceramica		-10
	France - Gres ceramic		1
	Poland - Super Gres		-10

Material on this issue is presented in the article Unglazed tiles .

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Ceramic tiles: terms and definitions

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