Standard Technical specification · SIS-CEN/TS 16498:2013

Paints and varnishes - Coating materials and coating systems for exterior wood - Assessment of tannin staining

Status: Valid

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Standard Technical specification · SIS-CEN/TS 16498:2013

Paints and varnishes - Coating materials and coating systems for exterior wood - Assessment of tannin staining
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Scope
This Technical Specification specifies a test method for assessing the discoloration of coatings on wood by tannin staining due to wood extractives. The method uses an extract from Merbau wood as an indicator. Bleeding of wood extractives is assessed at two specified stages firstly after coating application and secondly after cyclic climate exposure. A qualification of colour differences that can be attributed to three different causes, bleeding of extractives, low opacity of the coating film or general yellowing in climate exposure, is included. This document does not specify acceptance values for colour differences that can be tolerated and it is not applicable to staining caused by knots for which there is a different test method (e. g. CEN/TS 16359).

Subjects

Paints and varnishes (87.040)


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Standard Technical specification · SIS-CEN/TS 16498:2013

Paints and varnishes - Coating materials and coating systems for exterior wood - Assessment of tannin staining
Subscribe on standards - Read more Dölj
Price: 735 SEK
standard ikon pdf

PDF

Price: 735 SEK
standard ikon

Paper

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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-100237

Edition: 1

Approved: 12/3/2013

No of pages: 20