Ceramic tiles: terms and definitions

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You scored -10 out of 50 possible points.

Your result: -20%

Question 1

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: -10 out of 10

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

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

Question 2

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?

Score: 5 out of 10

Your Answer	Option	Right?	Result
	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. NOTE See ISO 1006, where 1M = 100 mm.		1
	Non-modular dimensions - Dimensions that do not take into account the modular (M) structure. NOTE See ISO 1006, where 1M = 100 mm.		0
	Nominal size - Size used to designate a product.		0
	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.		1
	The dimensions of tiles and slabs of other shapes are determined by the largest size of the rectangle in which they are inscribed		0
	Coordination size (C) - Technological size, including the width of the seam.		0
	Actual size - The size obtained by measuring the surface of ceramic tiles and slabs in accordance with EN ISO 10545-2.		1

Material on this issue is set out in standard EN 14411 .

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: -5.7142857142857 out of 10

Your Answer	Option	Right?	Result
	A polished surface is obtained by special matte polishing.		0
	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
	The tile that comes out of the kiln and is not subjected to additional mechanical treatment after firing has a matte surface.		0
	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
	When exposed to water, polished tiles become very slippery.		0
	Tiles with a matte surface are not only the most affordable, since they do not require additional processing, but also the most durable.		0
	A matte surface is more slippery than, for example, polished or glazed.		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.		0

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

Question 4

Ceramic products can be divided into three groups:

building ceramics;
facing ceramics;
art ceramics.

Which of the following products can be classified as veneer ceramics?

Score: 0 out of 10

Your Answer	Option	Right?	Result
	Ceramic tile		1
	Compositions, for example, a vase with flowers, a girl on a swing, etc.		0
	Pipes		0
	Dishes		0
	Roof tiles		-1
	Expanded clay		0
	Brick		-1
	Facing brick		1
	Tile		1

Information on this issue is presented in the article Ceramic products, facing ceramics .

Question 5

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 is a shiny or enamel glassy layer in the form of a thin film (1 - 3 mm).		-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
	Transparent glazes are colorless and colored.		0
	Glaze, consisting of frits only, is used only to achieve a shiny surface on some types of wall tiles.		1
	Frit is a special type of glass that, during the firing of the tile, melts and adheres tightly to the shard.		1
	Transparent glazes are also called enamels.		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.		1
	The chemical composition of the glaze and the ceramic shard is different. Their thermal expansion also varies in size.		1

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

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Ceramic tiles: terms and definitions

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