Projekta Nr.-
NosaukumsThis Technical Specification specifies a test method using water immersion test for assessing the discoloration of coatings on tannic wood (oak, chestnut) by tannin staining due to wood extractives. Leachates of coated and uncoated wood are collected after the immersion procedure and their colour is compared. The colour of the coated wood before and after immersion tests is also compared. 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.
Reģistrācijas numurs (WIID)73036
Darbības sfēraThis Technical Specification specifies a test method using water immersion test for assessing the discoloration of coatings on tannic wood (oak, chestnut) by tannin staining due to wood extractives. Leachates of coated and uncoated wood are collected after the immersion procedure and their colour is compared. The colour of the coated wood before and after immersion tests is also compared. 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.
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