Expanded clay fraction 20-40 mm
Expanded clay fractions of 20-40 mm
Expanded clay gravel is made by firing granules prepared from swelling clays. It is a lightweight and durable filler. In the fracture, the expanded clay granule has the structure of a frozen foam. The baked shell covering the granule gives it high strength. Expanded clay sand (grains up to 5 mm) is obtained in the production of expanded clay gravel (although in small quantities), as well as by the method of boiling layer by firing raw materials in suspended state. In addition, it can be obtained by crushing a substandard product – gravel grains larger than 40 mm and welds. It is almost impossible to do without expanded clay during construction. This inexpensive material, unique in its set of properties, finds application at different stages of the construction of a house. You can use the material without hesitation, applied correctly and in the right place, it will not let you down.
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