So, mal gekuckt, “Barbour´s linen thread 35/3” scheint der Rolls Royce unter den Bindfäden zu sein, auch für Bögen geeignet. Der Faden ist ungebleicht und mit Bienenwachs behandelt. Offenbar hat Barbour´s in Lisbon/ Nordirland mittlerweile seine Pforten geschlossen und es gibt kaum noch Lieferanten… hier noch etwas mehr Info dazu und unten drei Adressen, die das Zeug noch haben!
How Thread Sizes are calculated:
No.1 yarn is 1 pound of flax spun to a length of 300 yards.
No.2 yarn is 1 pound of flax spun to a length of 600 yards.
And thus;
No.18 yarn is 1 pound of flax spun to a length of 5,400 yards.
Taking for example a 18/3 thread:
The "3" refers to the number of yarns that have been plied together.
The "18" indicates that it takes 5,400 yards of such yarn to weigh a pound.
It can be seen why bigger numbers mean smaller thread -- the thinner the yarns, the more of them it takes to make a pound.
In conclusion.
A 25/3 thread is made of three yarns, each made from 1 pound of flax spun out to 7,500 yards and then twisted together.
12/3 = 1mm thickness
18/3 = 0.6mm thickness
30/3 = 0.45mm thickness
35/3 = 0.4mm thickness
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