SVEZA Interior and Exterior Plywood grades Defects Part 16:Knots: sound, intergrown, light and dark

SVEZA Interior and Exterior Plywood grades Defects Part 16:Knots: sound, intergrown, light and dark

http://baza.sveza.ru/eng/index.php?pid=2&pr=2&id=2&def_id=2&full=1

sound, intergrown, light and dark
sound, intergrown, light and dark

Knots: sound, intergrown, light and dark

Back

Intergrown knot has its annual rings intergrown with the surrounding wood through at least 3/4 of the knot cross-section perimeter.

Sound knot is a knot with rot-free wood.

Light sound knot is a sound knot of a similar color as the surrounding wood.

Dark sound knot is a sound knot of a considerably darker color than the surrounding wood, richly permeated with gum, tannin and heartwood agents, often mottled.

The average of the minimum and the maximum diameters is taken as the knot (hole) diameter.

Check Also

Factors Influencing the Quality of Plywood

Factors Influencing the Quality of Plywood 1. Adhesive quality The performance of synthetic resin adhesives …

Leave a Reply

Your email address will not be published. Required fields are marked *