FIELD: process engineering.
SUBSTANCE: invention relates to machining and may be used for surface cleaning, grinding and finishing. Abrasive article comprises porous abrasive material, nonwoven filtration material, second nonwoven filtration material, and, if required, porous jointing layer. Multiple holes in porous abrasive elements are communicated with first nonwoven filtration material to allow particles to flow from outer abrasive surface of porous abrasive element to second filtration material. Invention covers also methods of production and application of said abrasive articles.
EFFECT: perfected working performances, simplified dust collection.
18 cl, 6 dwg, 4 tbl, 7 ex
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