BS EN ISO 2409:2013 Paints and varnishes. Cross-cut test

BS EN ISO 2409:2013

Paints and varnishes. Cross-cut test

Status : Current, Under review   Published : February 2013

Format
PDF

Format
HARDCOPY



What is this standard about?

It details a way of testing how paint coatings resist separation when they’re cut. 

Who is this standard for?

  • Paint manufacturers
  • Anyone conducting laboratory or field testing of paints and varnishes

Why should you use this standard?

It describes a test method for assessing the resistance of paint coatings to separation from substrates when a right-angle lattice pattern is cut into the coating, penetrating through to the substrate.

The method described may be used either as a pass/fail test or, where circumstances are appropriate, as a six-step classification test. When applied to a multi-coat system, assessment of the resistance to separation of individual layers of the coating from each other may be made.

Although the test is primarily intended for use in the laboratory, it is also suitable for field testing. The test can be carried out on finished objects and/or on specially prepared test specimens.

Although the method is applicable to paint on hard (e.g. metal) and soft (e.g. wood and plaster) substrates, these different substrates need a different test procedure.

NOTE: The method is not suitable for coatings of total thickness greater than 250 gm or for textured coatings. The method, when applied to coatings designed to give a rough patterned surface, will give results which will show too much variation.

What’s changed since the last update?

This standard is a revision of BS EN ISO 2409:2007. The main changes are:

  • The description of suitable methods for removal of loose paint have been transferred to an informative annex as examples and, for the method using adhesive tape, the adhesive strength of the tape is no longer specified
  • The single-blade cutting tool originally used in the first edition (1972) of this international standard has been re-introduced
  • A cutting tool used with automatic cross-cut apparatus has also been specified
  • The pictorial standard for classification 2 has been replaced by one originally used in the first edition (1972) and the second edition (1992) of this international standard
  • Plastics have been added as an example of a hard substrate in 6.1.4
  • A designation code has been introduced to indicate the test result
  • The supplementary test conditions previously in Clause 7 have been integrated in the test report
  • A note has been added to Subclause 3.2.1 that the apparatus (manual or motor-driven) and the type of cutting tool used have an influence on the test result



Standard NumberBS EN ISO 2409:2013
TitlePaints and varnishes. Cross-cut test
StatusCurrent, Under review
Publication Date28 February 2013
Confirm Date30 March 2018
Normative References(Required to achieve compliance to this standard)ISO 2808, ISO 1514, ISO 15528, ISO 13076, ISO 1513
Informative References(Provided for Information)ISO 4624, ISO 17872:2007, ISO 16276-2
ReplacesBS EN ISO 2409:2007, BS 3900-E6:2007
International RelationshipsEN ISO 2409:2013,ISO 2409:2013
Draft Superseded By10/30207417 DC
DescriptorsTest equipment, Varnishes, Test specimens, Specimen preparation, Coatings, Adhesion tests, Testing conditions, Paints, Cross-cut test, Grading (quality)
ICS87.040
Title in FrenchPeintures et vernis. Essai de quadrillage
Title in GermanBeschichtungsstoffe. Gitterschnittprüfung
CommitteeSTI/10
ISBN978 0 580 68620 7
PublisherBSI
FormatA4
DeliveryYes
Pages24
File Size1.542 MB
Price£182.00


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