Straight grained ( 'normal' birch) has been used for knife handles, kitchen stuff, axe handles and so on, for ages and ages.
Burls are very rare, curly Birch only grows in Karelia ( Finland and Russia) and has always been very exclusive.
A small patch exist in Sweden but is protected.
Straight grained birch wood is stronger than the curly version with bark inclusions, Masur birch.
The curly birch without the inclusions is supposed to be stronger than straight grained birch.
Yes, growing conditions make differently strong wood. Smaller year rings.
Burls are very rare, curly Birch only grows in Karelia ( Finland and Russia) and has always been very exclusive.
A small patch exist in Sweden but is protected.
Straight grained birch wood is stronger than the curly version with bark inclusions, Masur birch.
The curly birch without the inclusions is supposed to be stronger than straight grained birch.
Yes, growing conditions make differently strong wood. Smaller year rings.
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