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A Brief Guide About How Are Ceramic Tiles Made?

Writer's picture: brittany wolfebrittany wolfe

Updated: Sep 26, 2019



Tile in Denver, co are made of ceramic, glazed for internal uses and glazed for roofing but other materials are also commonly used such as cork, concrete, stone, glass and other composite materials. Tiling stones are usually granite, slate, onyx and marble.


Ceramic tile begins as a lump of the earth -- everything in that final product is a natural material. The major ingredient of making ceramic tile in Denver co is clay alongside water, feldspar, Quartz, and sand and every manufacturer has its own ingredients. The ground and mix the ingredient in a ball mill to make the body slip. The body slip is used to distinguish the glazed topping from the body of the tile.


At this junction, the body slip has about 30 percent water. That moisture helps adhere the ingredients to each other, but as soon as its job is done, it's out of there. To accomplish this, the body slip is put into a dryer and heated; the moisture content is reduced to about 6 percent.


After that time in the dryer, the body slip is now literally dust or powder. This whole process is sometimes called dust pressing -- and you're about to learn the reason behind it. The dust is placed into a large press, powered either with hydraulics or electricity. The press pushes the dust into a set shape and size with a force ranging from a few hundred pounds a square inch to 100,000 pounds per square inch (689,475.7 Newtons per square meter). That pressure is what gives the finished project its tensile strength. While we are used to seeing rectangular or square ceramic tile, presses may have shaped imprints to create diamonds, ovals, and other unique shapes as well. The shaped body is known as bisque. After the body is formed, it's dried out to remove all last traces of moisture.


Now it's time for that frosting we mentioned -- the glaze. The word comes from the Old English word for glass, which is a good description of glaze. The glassy looking substance is on one side. The same way there is a variety of frosting, there are lots of glazing choice which include high-gloss and matte and there are different ways of applying it.


In order to give the tile some color, pigments are usually mixed in with the other ingredients. But, even if vibrant pigments are used, the piece will still look fairly pale, and not like the vibrant tiles we see in the store. That process won't happen until the next step. Though glazing is a typical step for ceramic tile, it's not very important and necessary. Not every Tile in Denver co has to be glazed to be taken as ceramic.­


But there is one qualification that ceramic tiles do have to meet and stand up to-- they all have to be baked. Before it goes into the kiln, the product has gotten another name called green tile.


Ceramic raw materials

Ceramic raw materials are classified based on their functions and basic properties. This divides the ceramic raw material into plastic and non-plastic raw materials.


Plastic ceramic raw materials involve any clay material that when mixed with water shows and reveal the property called plasticity. Plasticity can be defined as a property which paves way for the deformation of the clay when an external force is removed. The non-plastic raw materials have a large group which includes artificial chemicals, minerals and rock which is not plastic. Some part of the raw material act as a filler and other non-plastic raw material is used for melting, sintering or increase the refractoriness.


Plastic raw materials include clay, bentonite and kaolin, while non-plastic raw materials are feldspar, dolomite, quartz, limestone, magnetite, calcium phosphate and talc. There are three components of the classic or "triaxial" ceramic body: clay, quartz which is a non-plastic material and feldspar, that acts as a flux providing the glassy phase. Typical raw materials normally used in a ceramic Tile in Denver co are clay, feldspar, pottery stone, silica sand and talc.

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