A micron (micrometre) is the measurement used to express the diameter of a wool fibre. The lower microns are the finer fibres. Fibre diameter is the most important characteristic of wool in determining its greasy value.
Every fleece comprises a very wide range of fibre diameters—for example a typical Merino fleece will contain fibres of as low as 10 microns in diameter, and there could be fibres with diameters exceeding 25 microns, depending on the age and health (or nutrition) of the sheep. What is usually referred to as wool's "micron" is the mean of the fibre diameters or average diameter. This may be measured in a number of different ways.
Small samples can be taken from the side or fleece of a sheep and measured using a portable instrument such as an OFDA2000 (Optical Fibre Diameter Analyser); or a mobile instrument system called a Fleecescan. Both these systems have been studied extensively and used correctly should give reasonably reliable results. Pre wool classing micron test results are a useful guide for classers in determining lines of wool to be made. Samples of fleece can also be shorn from the animal and sent to a laboratory for measurement ("midside sampling"). Most fleece-testing laboratories nowadays use related instruments to those mentioned—either the OFDA models or the Laserscan. Merino stud rams are mid-side sampled and the test results are displayed in the sale catalogues.
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We also recently completed a study with the University of Salford thermal measurement laboratory to investigate the performance of stone wool insulation ... Based on independently measured data from the ...
Among her belongings was a handmade wool carpet measuring 1.2 meters in length and 80 centimeters in width, an item that reminded her of home, sweet home.
Eat.SALSA... The company based in Portland makes deliveries throughout the area ... The Canebrake WoolBlanket comes in three colors and is made in the United States. Soft and thick, it’s crafted of pure virgin wool and cotton, and measures 64 by 80 inches.
'What we're seeing here is the LNP have been too busy measuring the curtains, wrapping themselves in cotton wool, (running a) small target campaign, more focused on making life as easy on the other ...
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In retrospect, it was second only to the crash of 1929 and the Great Depression of the 1930s — and by some measures worse than the latter ...Wool and imported tinplate, which was used for ceilings and cheap cookware, were particularly targeted.
Researchers from the University of Montreal have created a first-of-its-kind electrode-lined crochet beanie that can be used to measure a cat’s brain activity.
New Zealand wool carpet companies are insisting wool-eating insects and pests are not as common as people think ... "Wool being a natural fibre, it is a bit more vulnerable to pests such as carpet beetles and moths.
This week’s measures were sweeping ... fiscal measures that directly spur consumer demand ... “As long as demand remains as weak as it has been, nobody’s going to want to borrow, and measures like these won’t have the desired impact,” Wool said.
Most important, perhaps, they established critical terms by which contemporaries measured ... It discouraged consumption of lamb, as a measure to increase stocks of wool for Colonial cloth-making.
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Rockwool worked with the University of Salford Thermal Measurement Lab to understand how stone wool insulation can help to close the performance gap and create more climate resilient dwellings.
