FIELD: air purification in medicine, microbiology, radio electronics and other branches of production. SUBSTANCE: filter medium on the basis of glass fibre with employment of polyhydroxocomplex of aluminium as a binder additionally uses basalt fiber, and polyvinyl alcohol as a binder at the following relation of components, percent by mass: glass fiber - 58 to 88; basalt fibre - 9 to 39; polyhydroxocomplex of aluminium (in terms of oxide) - 2 to 3; polyvinyl alcohol - 0.25 to 0.75. EFFECT: facilitated procedure. 2 tbl
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