Glossary

Negative stain appearance

This is particularly glaring with coniferous wood species if these are stained, or as may apply, dyed with tar dye stains (water-soluble coloured powder stains). More colour particles become lodged in the porous, absorbent, soft growth rings than in the dense, hard ones. This leads to stronger colour application and colouring of the soft growth rings, with the hard ones remaining relatively light

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