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Clay properties

Alexandra Bychkova
Alexandra Bychkova
February 20, 2013
Clay properties

Clay is a fine-grained rock, which consists of several minerals, able to soak in water and form various forms. In our article we will consider what clay is, the properties and application of this natural material.

Clay properties

So, let's look at the basic properties of clay:

  • plasticity (depends on the mineral composition of the clay);
  • chemical inertness;
  • color variety (from white to black color);
  • adsorbing ability (absorbs environmental molecules on its surface);
  • sintering ability (when firing, it is capable of forming shards of high strength);
  • refractoriness (high melting point);
  • water resistance (the ability to not pass water through itself after a certain saturation with it);
  • permeability and porosity (filters through gases and liquids);
  • water swelling capacity, viscosity and shrinkage;
  • antibacterial ability (inhibits microorganisms, due to which it is used in embalming);
  • air shrinkage;
  • radiestatiousness (clay helps the sick cells to vibrate as healthy and cleans away accumulated substances);
  • damping ability (enhances the effect of drugs);
  • tropism (regenerates diseased cells);
  • magnetism (easily absorbs magnetic radiation);
  • coloring ability (due to different color coloration).

Clay application

Having studied the above properties of clay, you can consider those industries where clay is an indispensable material:

  • pottery production (mixing with water, you can make various dishes, jugs and other kitchen utensils from the obtained clay using a special machine tool);
  • brick production (contain quartz sand impurities);
  • pulp and paper industry (used kaolin, white clay);
  • technical ceramics (clay is thermally processed to obtain solid and electrically stable ceramic dishes);
  • cement production (in combination with limestone, building cement is obtained from clay);
  • food additives for livestock (in these cases, use montmorillonite clay);
  • painting of various food products (it is used lefkas edible clay);
  • porcelain and faience industry (acid resistant clay fires are used);
  • metallurgical industry (for the manufacture of casting molds);
  • the oil industry (for the purification of petroleum products, lubricants and vegetable oils, while drilling wells);
  • tile production (in the manufacture of tiles);
  • art (when creating sculptures);
  • perfumery (when creating perfumes and soaps);
  • pencil production (when creating pencils);
  • textile production (wool degreasing);
  • abrasive industry (production of grinding wheels);
  • finishing works (used as whitewashing walls and stoves);
  • cosmetology (use of clay in ointments, masks, antidotes).

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