Paraffin Permeability of Synthetic Gypsum Binders Modified by Individual Polymers

Powała, K.; Heim, D.

doi:10.2478/lpts-2019-0034

Abstract

The paper presents an experimental study of five different gypsum composites taking into account paraffin permeability. The composites consist of synthetic gypsum, paraffin and polymers. The samples were produced from gypsum slurry of mixing ingredients, all in the liquid state. After 7 days of maturing, the condition of the samples was assessed as well as drying time was determined. In the second part, the paraffin tightness of different samples was analysed. The results showed that after three weeks of tests the tightness sample was A4. Other polymers were characterised by lower tightness. The content of polymer had also the effect on the final results, but the direct relation between polymer content and paraffin tightness was not observed.

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Paraffin Permeability of Synthetic Gypsum Binders Modified by Individual Polymers

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