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8

The answer to "it is considered in the temperature rating" can be yes, no and maybe... Really it depends on the manufacturer and how they test it. It also depends where the manufacturer market is: in some part of the world there are some standards and in others there aren't. One of the ways to find the rating is to test in a controlled environment with a ...


3

Bit or preamble: Down is measured in "Fill Power". Fill power is a measure of the loft or "fluffiness" of a down product that is loosely related to the insulating value of the down. The higher the fill power the more air an ounce of the down can trap, and thus the more insulating ability an ounce of the down will have. Ultimately this is what you ...


7

Down is a natural product, so fill quality, odour and durability can vary quite markedly within a species depending on the breed, age and condition of the bird. Practical performance is also strongly dependent on the skill of the processor and the quality of any proofing applied. These sources of variation are greater than any variation between duck and ...



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