Ceramic tiles: terms and definitions

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You scored -24 out of 50 possible points.

Your result: -48%

Question 1

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
	Cotto (terracotta)		0
	Gres Porcellanato (ceramic granite)		1
	Gres red		1
	Majolica		0
	Cottoforte		0
	Clinker		1
	Extruded gres		1

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

Question 2

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
	Transparent glazes are colorless and colored.		0
	Transparent glazes are also called enamels.		0
	Frit is a special type of glass that, during the firing of the tile, melts and adheres tightly to the shard.		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.		0
	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.		1
	Glaze, consisting of frits only, is used only to achieve a shiny surface on some types of wall tiles.		0
	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.		0

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

Question 3

The existence of ceramic slabs with different types of surfaces is the result of successful experiments by manufacturers. The most popular of them can be considered surface polishing (with its variations). Select the correct definitions or statements.

Score: -1.4285714285714 out of 10

Your Answer	Option	Right?	Result
	When polishing, the topmost “sintered” layer is cut off. As a result, polished porcelain stoneware is slightly inferior to matte in terms of performance characteristics, in particular, wear resistance.		0
	To obtain polished tiles, their surface is polished with special diamond nozzles using a large number of chemicals.		-5
	Polished porcelain tiles are less slippery than polished ones, but due to the smooth surface of such tiles, they are easy to clean.		1
	Tiles with a matte surface are not only the most affordable, since they do not require additional processing, but also the most durable.		0
	The tile that comes out of the kiln and is not subjected to additional mechanical treatment after firing has a matte surface.		1
	A matte surface is more slippery than, for example, polished or glazed.		0
	A polished surface is obtained by special matte polishing.		0
	When exposed to water, polished tiles become very slippery.		1
	Polished Surface - The surface of glazed or unglazed ceramic tiles and slabs that is polished at the final stage of manufacture to impart shine.		1

Material on this issue is presented in the article Porcelain tiles - many faces and diversity .

Question 4

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: -20 out of 10

Your Answer	Option	Right?	Result
	Cotto (terracotta)		0
	Clinker		-10
	Cottoforte		0
	Porcelain tiles		1
	Majolica		0
	Gres red		1

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

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: -11.666666666667 out of 10

Your Answer	Option	Right?	Result
	Spain - Gres Porcelanico		0
	France - Gres ceramic		1
	Germany – Porzellan Steinzeugfliesen		1
	Poland - Super Gres		-10
	Portugal - Granito Porcelanato Ceramica		0
	England – Fully Vitrified Porcelain Tiles or Vitrified Stoneware		0
	Ukraine - Piastrella		0
	Russia – ceramic granite or porcelain stoneware		0
	Italy – Gres Porcellanato		1

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

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Ceramic tiles: terms and definitions

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