August 12, 2017 18:08

Regulatory requirements for trapezoidal sheet propagating standards GOST 24045-94 steel sheet tightly regulates the requirements under which he can be considered floorings.So, as a starting material for the profiled sheets without paint coatings to be used cold-rolled sheet steel aluminized or coated with alyumotsinkovym. also GOST admits as a starting material galvanized steel sheet.No i...

August 12, 2017 18:08

production hyperpressed brick makes this material by semidry hyper.The main essence is as follows: in the cement-mineral mix add some water.Further, the high pressure compressed start composition.Brick spread in a steaming chamber on pallets.In this "sauna" with controlled temperature it should be about 8-10 hours. During this procedure, the cement contained in the mass, as it should, abs...

August 12, 2017 18:08

GOST "Xylene Grade A" - learn more about the matter product as a clear liquid with a characteristic odor is widely used in manufacturing and industry, especially in the field of organic synthesis.Indeed, for industrial production of all kinds of plastics film materials, synthetic fibers, dyes, solvents, extractants, herbicides and many other materials used xylene and derivatives thereof.Th...

August 12, 2017 18:08

Sanitary accessories: a variety of bronze and its characteristic It is known that copper was one of the metals, the first widely used in various fields of human activity.The reason for this was because of the ease of production of sufficiently low melting temperatures.One of the first metal alloys to increase hardness of the steel bronze. distinguish among types of bronze tin, manganese, ...

August 12, 2017 18:08

feature plastic tiles Paving slabs of plastic largely superior to other types of tiles, with the following benefits: strength; It does not crack and is not pricked by the use of binders that give it flexibility.Therefore, it is very convenient to transport and stack, it is not as fragile as concrete; durability, service life of about 50 years; water resistance; Tile moisture-...

August 12, 2017 18:08

why we carefully treat the glass? In the world there is hardly a person who does not know what the glass.For a long time it was believed that glassmaking pioneers were the ancient Egyptians, but few archaeological finds have confirmed that it knew how to do and more ancient cultures.Working with glass - a laborious process, because it is quite brittle material.It can be cut, tint, sanded, p...

August 12, 2017 18:08

How Lining linden popular than others? Somehow so happened that the lining is widely perceived purely as a material for walls baths or saunas.However, this view is wrong on this, because the wood trim looks great in the living room, and office.However, if you want to sheathe steam, why not, Lining linden as if specially created for this purpose. low resin content, pleasant aroma, delicate ...

August 12, 2017 18:08

Advantages of copper pipes Copper has long been known in the development of mankind this metal has played an important role.If you remember, at the dawn of the railways all steam piping system and the first locomotives were made of copper.Copper shine and modern propulsion of ships.There is no secret: copper is non-corrosive.And the simplicity of working with copper leads to the fact that ...

August 12, 2017 18:08

Why glass requires polishing? school are well-known examples of the varying thickness of the upper and lower parts will last for many decades, a windowpane.Since the manufacture of sheet glass cooked mass is rolled out by special machines, are formed on the surface of the smallest irregularities and defects that mimic the surfaces and profiles of working rolls. To address such technologica...

August 12, 2017 18:08

iron - modern realities Modern production tries to find new ways to create a more durable materials with a good performance.One of these is an alloy of iron and carbon, better known as iron.When this carbon may be present in the form of graphite or cementite, depending on the type of additives emit gray, and white cast iron. durability of ferrous metals, which includes iron, making them t...