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Homepage>BS Standards>87 PAINT AND COLOUR INDUSTRIES>87.040 Paints and varnishes>BS EN ISO 22970:2020 Paints and varnishes. Test method for evaluation of adhesion of elastic adhesives on coatings by peel test, peel strength test and tensile lap-shear strength test with additional stress by condensation test or cataplasm storage
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immediate downloadReleased: 2020-12-21
BS EN ISO 22970:2020 Paints and varnishes. Test method for evaluation of adhesion of elastic adhesives on coatings by peel test, peel strength test and tensile lap-shear strength test with additional stress by condensation test or cataplasm storage

BS EN ISO 22970:2020

Paints and varnishes. Test method for evaluation of adhesion of elastic adhesives on coatings by peel test, peel strength test and tensile lap-shear strength test with additional stress by condensation test or cataplasm storage

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Standard number:BS EN ISO 22970:2020
Pages:30
Released:2020-12-21
ISBN:978 0 539 14056 9
Status:Corrigendum
DESCRIPTION

BS EN ISO 22970:2020


This standard BS EN ISO 22970:2020 Paints and varnishes. Test method for evaluation of adhesion of elastic adhesives on coatings by peel test, peel strength test and tensile lap-shear strength test with additional stress by condensation test or cataplasm storage is classified in these ICS categories:
  • 87.040 Paints and varnishes

This document specifies three methods for testing the peel adhesion, peel strength and tensile lap-shear strength in order to evaluate the adhesive bond as well as the type, location and structure of failures of elastic adhesives on coatings. These methods are used, for example, for testing the assembly with respect to the bond of panes or built-on parts, such as plastic covers, spoilers, instrument panel covers, headlights, with coatings for automobile construction. The two methods of climatic exposure of specimens described herein are the condensation test and cataplasm storage.

This document does not specify requirements for adhesives and coatings.

NOTE The peel strength test (method B) for rigid car body construction adhesives is described in ISO 8510‑2. The tensile lap-shear strength test (method C) for rigid car body construction adhesives is described in EN 1465. Testing of rigid car body construction adhesives is generally conducted on small joint thicknesses, i.e. <1 mm.