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Elastic adhesives - Testing of adhesively bonded joints - Bead peel test
This document specifies a method for evaluating the adhesion of elastic adhesives and sealants [with a minimum elongation at break of 100 % and a modulus of elasticity of maximum 10 MPa[1]] on various substrates.
In this way, the effect of various coatings or the surface pre-treatments of the substrate materials on the adhesion can be compared.
It can also be used to evaluate the influence of pre-treatment, substrate and adhesive on the long-term durability of adhesively bonded joints and seals.
This test can also be used for process monitoring and quality assurance accompanying production.
[1] The elongation and modulus of elasticity are measured according to ISO 527-2.
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