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A heavy duty office staple might be designated as F1667 STFCC-04: ST indicates staple, FC indicates flat top crown, C indicates cohered (joined into a strip), and 04 is the dash number for a staple with a length of 0.250 inch (6 mm), a leg thickness of 0.020 inch (500 μm), a leg width of 0.030 inch (800 μm), and a crown width of 0.500 inch ...
The staple length of the wool is the length of the staple, and highly correlated with mean fibre length in the top (hauteur). Staple length generally determines the end use of wool, that is, whether it will be used in weaving or knitting. The longer wools, generally around 51 mm and longer and called combing types, are processed to worsted yarn.
Wool insulation commonly comes in rolls of batts or ropes with varied widths and thicknesses depending on the manufacturer. Generally, wool batts have thicknesses of 50 mm (2 in) to 100mm (4 in), with widths of 400 mm (16 in) and 600 mm (24 in), and lengths of 4000 mm (13 ft 4 in), 5000 mm (16 ft 8 in), 6000 mm (20 ft) and 7200 mm (24 ft).
Basalt staple fibers, for the production of thermal insulation materials; and Basalt superthin fibers (BSTF), for the production of high quality heat- and sound-insulating and fireproof materials. Manufacturing process
The quality of wool is determined by its fiber diameter, crimp, yield, color, and staple strength. Fiber diameter is the single most important wool characteristic determining quality and price. Merino wool is typically 90–115 mm (3.5–4.5 in) in length and is very fine (between 12 and 24 microns). [12]
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Microfiber is also used for water insulation in automotive car covers. Depending on the technology the fiber manufacturer is using, such material may contain from 2 up to 5 thin layers, merged. Such combination ensures not only high absorption factor, but also breathability of the material, which prevents the greenhouse effect .
The WoolCloud Jacket is filled with merino wool batting that doesn’t lose its loft or insulation abilities over time, and it has a water-resistant nylon shell with a tight-fitting hood.
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