Technology of nonasbestos sealing materials has been elaborated. Materials of composite structure owi chosing of appropriate vomponents have properties comparable to the asbestos containing sealings appli earlier. Technology of general porpose sealing plates but also stable in acidic medium and strengthenod w metal net has been developed. This is orginal technology of sealing materials. Cancerogenic asbestos has be eliminated what improved conditions of work in manufacturing company and by using of sealings. Compositi and method of manufacture has been protected by the Polish patent No 174805. Sealing materials accordi to the overmentloned technology are in "Polnit" Work in Łódź.
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