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This paper presents issues related to the determination of the selected mechanical properties
of adhesive joints made of polymeric pipes and the evaluation of the leak-tightness of the adhesive
joints. The article attempts to demonstrate that the type of adhesive may affect the quality of
adhesive joints in terms of both tightness and strength of joints. Five types of the polymer pipes
differing in a polypropylene and a polyvinyl chloride, diameter and a wall thickness were used in
the experiments. Two types of the adhesives were used to make the adhesive joints: Loctite 3430 A&B
Hysol, a two-component epoxy adhesive, and Loctite 406, a one-component cyanoacrylate adhesive.
Based on the leak-tightness tests results, it was possible to determine the quality of their adhesive
joints without damaging the samples, while their tensile strength was determined through the
strength tests. The tests performed allowed for the conclusion that the use of the polyvinyl chloride
pipes and Loctite 406 one-component adhesive is recommended for this type of adhesive joints.
