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In this reaserch, the results of filling PVC compositions are presented on the example of only two types of dispersed fillers from among industrial wastes, presented in the form of fine particles and highly porous grains:beghouse dust and expanded perlite sand. The influence of the type of filler on the value of mechanical strength was also studied by the method of measuring it under one-side pressure. It was established that when filling with ultrafine filler BP, an increase in the elastic modulus and complete “degeneration” of the forced high elasticity are observed. It seems interesting the change of the melt flow index of PVC compositions with the introduction of both fillers.

Influence of dispersed fillers on properties and processability of polyvinyl chloride compositions