Ceramic tiles: terms and definitions

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You scored -60 out of 50 possible points.

Your result: -120%

Question 1

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: -4.2857142857143 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.		1
	A polished surface is obtained by special matte polishing.		1
	Tiles with a matte surface are not only the most affordable, since they do not require additional processing, but also the most durable.		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
	The tile that comes out of the kiln and is not subjected to additional mechanical treatment after firing has a matte surface.		1
	Polished porcelain tiles are less slippery than polished ones, but due to the smooth surface of such tiles, they are easy to clean.		1
	To obtain polished tiles, their surface is polished with special diamond nozzles using a large number of chemicals.		-5
	A matte surface is more slippery than, for example, polished or glazed.		-5
	When exposed to water, polished tiles become very slippery.		1

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

Question 2

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
	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
	Ceramic tiles and slabs with an engobed surface are considered glazed.		-10
	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
	Water absorption (E) - Water absorption is determined as a percentage by mass in accordance with EN ISO 10545-3.		1

Material on this issue is presented in standard EN 14411 .

Question 3

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
	Expanded clay		-1
	Facing brick		1
	Pipes		-1
	Ceramic tile		1
	Tile		1
	Dishes		-1
	Brick		-1
	Roof tiles		-1
	Compositions, for example, a vase with flowers, a girl on a swing, etc.		-1

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

Question 4

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: -6.6666666666667 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
	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
	Actual size - The size obtained by measuring the surface of ceramic tiles and slabs in accordance with EN ISO 10545-2.		1
	Nominal size - Size used to designate a product.		1
	The dimensions of tiles and slabs of other shapes are determined by the largest size of the rectangle in which they are inscribed		-10
	Non-modular dimensions - Dimensions that do not take into account the modular (M) structure. NOTE See ISO 1006, where 1M = 100 mm.		1
	Coordination size (C) - Technological size, including the width of the seam.		1

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

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