SVEZA Interior and Exterior Plywood grades Defects Part 31:Sound discoloration (false heartwood)

SVEZA Interior and Exterior Plywood grades Defects Part 31:Sound discoloration (false heartwood)

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Sound discoloration (false heartwood)
Sound discoloration (false heartwood)

Sound discoloration (false heartwood)

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False heartwood is dark unevenly colored heartwood separated from sapwood with a dark (less often light) margin, has the same hardness as the surrounding wood. Its boundary usually does not coincide with annual rings.

False heartwood is measured by the length and the width of the area occupied, or is expressed as a percentage of the total plywood sheet area.
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