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About This Item

 

Full Description

BS EN ISO 4628-2:2016 specifies a method for assessing the degree of blistering of coatings by comparison with pictorial standards.

The pictorial standards provided in this part of ISO 4628 illustrate blisters in the sizes 2, 3, 4, and 5, and each size in the quantities (densities) 2, 3, 4, and 5.

ISO 4628-1 defines the system used for designating the quantity and size of defects and the intensity of changes in appearance of coatings and outlines the general principles of the system. This system is intended to be used, in particular, for defects caused by ageing and weathering, and for uniform changes such as colour changes, for example yellowing.


Cross References:
ISO 13076
ISO 4628-1
ASTM D714


All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. BS EN ISO 4628-2:2016

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    Paints and varnishes. Evaluation of degradation of coatings. Designation of quantity and size of defects, and of intensity of uniform changes in appearance-Assessment of degree of blistering

    • Most Recent
  2. BS EN ISO 4628-2:2003


    Paints and varnishes. Evaluation of degradation of coatings. Designation of quantity and size of defects, and of intensity of uniform changes in appearance-Assessment of degree of blistering

    • Historical Version
  3. BS 3900-H2:1983


    Methods of test for paints. Evaluation of paint and varnish defects-Designation of degree of blistering

    • Historical Version