The adhesive strength of compounds based on epoxy resin ED 20 with the TEAT and PEPA hard eners is determined by pullout testing before and after administering shungite (20 wt %) as filler in their com position. The results of structural studies of the samples after the tests, which allowed determining the fracture type (adhesive or cohesive) and the number of samples that corresponds to each fracture type, are shown.
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