prEN 927-7

Paints and varnishes - Coating materials and coating systems for exterior wood - Part 7: Assessment of knot and tannin stain resistance prEN 927-7

General information

Current stage: 30.98 Project deleted Jun 16, 2000

Originator: CEN

Owner: CEN/TC 139 Paints and varnishes

Type: European Norm

Scope

of coatings and sealers in blocking resin exudations from knots and migration of tannin stains from wood substrates. Stain blocking effectiveness is measured colorimetrically using a spectrophotometer.

Life cycle

NOW

ABANDON
prEN 927-7
30.98 Project deleted
Jun 16, 2000