A method of measuring adhesion between coloured varnish coatings and wood surfaces

Zotov, A.A.

Derevoobrabatyvayushchaya Promyshlennost' (8): 7-9


Accession: 000806910

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A method is described in which the end of a wooden peg is glued onto the lightly sanded and cleaned (with acetone) surface of the varnish, and the force required for separation perpendicular to face is measured in a special apparatus. A formula is given for calculating adhesion, and some data are given for the Soviet varnish PE-246 on sliced veneers of 'red wood'. Max. adhesion was reached 10-15 days after varnishing.