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Logwood Chips: Campeachy Heartwood Chipped for the Dyer
Dyers never use logwood as a log: they chip or rasp the hard heartwood first (Thorpe, 1912). Old wood with little of the pale sapwood is best (Ure, 1839). Keep the chips closed up, because they lose dyeing power in the air. They can be "aged" in damp heaps first, though with a chrome mordant this is not needed.
The picture: logwood chips (photo by Waughd, Wikimedia Commons, CC BY-SA 4.0).
Débutant
A few hours
Consignes
1
1
Choose old heartwood
Choose old heartwood
Pick old logwood with dark bark and little of the white sapwood. Shave off bark and sapwood: only the dense dark-red heartwood dyes.
Matériaux pour cette étape :
Bois de campêche1 kgOutils nécessaires :
Plane
Hachette2
2
Chip or rasp
Chip or rasp
Split the heartwood with the hatchet and cut it into small chips, or rasp it to a coarse powder.
Outils nécessaires :
Hachette
Râpe à bois
Balance de cuisine numérique3
3
Ageing, if wanted
Ageing, if wanted
For iron blacks, the old trade wetted the chips and heaped them in an airy room until they warmed and darkened, turning them often so they did not over-age. With a chrome mordant, skip this.
Outils nécessaires :
Eau4
4
Store closed
Store closed
Bag the chips and keep them closed and dry: left open to the air they lose part of their dyeing power.
Outils nécessaires :
Sac de juteMatériaux
1- 1 kgEspace réservé
Ce plan fabrique
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