Volodymyr Gots, Petr Palchyk, Oksana Berdnyk


Thermophysical, physical-mechanical and acoustic characteristics of a rough continuous basalt fiber under the influence of operating factors and a corrosive environment are studied. It is shown that the production of protective materials with high thermophysical and acoustic properties is possible when creating a porous system with a known texture characteristic of pores of different classes, purposes and connections. An influence of the porous system of rough continuous basalt fiber on the operational properties of flexible heat and sound insulation products and materials is studied.

The requirements of normative documents on thermal protection of buildings and structures have caused a constant tendency from the creation of new materials that ensure reliable operation of structures and equipment in the conditions of intensive influence of destructive factors of external influence.

This led to an increase in requirements for walling wall materials that are used to fill openings in frame construction, or as an independent structural and thermal insulation material when building buildings with load-bearing walls. They are presented with a set of requirements that combines: physical and mechanical, chemical, hygienic, thermophysical, decorative and finishing, and other properties of the material. In this connection, there is a need to create materials that, having a small average density and high strength, are able to withstand the temperature loads, and the influence of an aggressive environment.

It is determined that the performance characteristics of flexible heat and sound insulation materials are directly proportional to the degree of porosity of the composite materials and their structural characteristics. It is shown that the increase in the operating temperature of these materials, sound and thermal resistance is determined by the chemical and mineralogical composition of the initial materials and their structural characteristics. The influence of the mechanism of selective leaching of coarse continuous basalt fibers on their texture characteristics and the operating temperature zone is studied.

The resulting material is produced from environmentally friendly raw materials using a one-stage technology without harmful effects on the environment and, unlike thermal insulation materials based on polymers or asbestos, has no harmful effect on the human body, meets the requirements of the European Union for the protection of the environment and sanitary and hygienic standards.


basalt fiber; porous system; texture characteristics; operating temperature; thermophysical characteristics; acoustic characteristics

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ISSN 2461-4262 (Online), ISSN 2461-4254 (Print)