Tomsk scientists will create a domestic analogue of glass microspheres

09.12.2022
Tomsk scientists will create a domestic analogue of glass microspheres

Russian scientists will create an import-substituting powder for high strength building materials.

A domestic analogue of glass microspheres, which are added to building composite materials to increase their strength, will be created in Russia. This was reported to TASS on Thursday by the press service of the Tomsk State University of Architecture and Civil Engineering (TGASU).

It is clarified that earlier the American company 3M worked on the Russian market, which supplied about 80% of microspheres, but in 2022 it curtailed its activities in the Russian Federation. After the departure of this and a number of other companies, there was a need for import substitution of both the material itself and the equipment for its production.

“TSUAE scientists together with colleagues from Tomsk Polytechnic University (TPU) are developing a technology for producing hollow glass microspheres (HSM) in a propane-air torch. This material is actively used in the construction industry as an additive in composite materials, dry mixes and paint coatings,” the press service said.

PSM is a white powder of borosilicate glass in the form of spherical particles with a diameter of not more than 200 microns. This composition and shape provide high strength, fire resistance and low density. Microspheres are used in the oil and gas and construction industries.

Tomsk scientists have already assembled a gas-flame unit and received PSM samples. Now they are scaling up the technology: they are working on obtaining microspheres according to other parameters, for example, not spherical, but oblong. Research is carried out on the basis of the youth scientific laboratory "New Building Materials", created at TSUAE under the program "Priority 2030".

Source: https://bigasia.ru/

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