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While breeders report fiber can sell for US$2 to $4 per ounce, the world wholesale price for processed, spun alpaca "tops" is only between about $10 to $24/kg (according to quality), i.e. about $0.28 to $0.68 per oz. [19] Finer fleeces, ones with a smaller diameter, are preferred, and thus are more expensive.
Given the linear density and weight the yarn length can be calculated; for example: l/m = 1693 × l m /Nec × m/kg, where l/m is the yarn length in metres, l m /Nec is the English cotton count and m/kg is the yarn weight in kilograms. The following length units are defined. Bundle: usually 10 lb (4.5 kg)
The number of wraps will act as a gauge to assess the thickness of unmarked yarn; for example 12 wraps per inch is 12 WPI, and is used to calculate how much yarn is required for various articles, [3] so that 12 is equivalent to 8 ply (worsted weight, medium weight) yarn.
Alpaca fiber is sourced from alpacas. It is warmer than sheep's wool and lighter in weight. It is soft, fine, glossy, and luxurious. The thickness of the quality fiber is between 12-29 micrometers. Most alpaca fiber is white, but it also comes in various shades of brown and black. The most common type of alpaca fiber comes from a Huacaya.
Alpacas are typically sheared once per year in the spring. Each shearing produces approximately 2.3 to 4.5 kilograms (5 to 10 pounds) of fiber per alpaca. An adult alpaca might produce 1.4 to 2.6 kilograms (50 to 90 ounces) of first-quality fiber as well as 1.4 to 2.8 kilograms (50 to 100 ounces) of second- and third-quality fiber.
Bales should weigh between 110 kg (243 lb) and 204 kg (450 lb), unless the wool is under 18.6 microns, in which case they may be a minimum gross weight of 90 kg (198 lb). Bales that weigh less than 110 kg (243 lb) are known as a butt and those over 204 kg (450 lb) will not be sold at auction without repacking at the vendor's expense.
The finest bale of wool ever auctioned sold for a seasonal record of 269,000 Australian cents per kilogram during June 2008. This bale was produced by the Hillcreston Pinehill Partnership and measured 11.6 microns, 72.1% yield and had a 43-newton-per-kilotex [1] strength measurement. The bale realised $247,480 and was exported to India.
Avoirdupois is a system of mass based on a pound of 16 ounces, while Troy weight is the system of mass where 12 troy ounces equals one troy pound. The symbol g 0 is used to denote standard gravity in order to avoid confusion with the (upright) g symbol for gram.