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The design goal of PrimaLoft was to create a fabric that would offer the same level of insulation effectiveness as down, even when wet. The original patent filed for PrimaLoft insulation, known as "Synthetic Down" and filed in May 1986, describes a particular mix of synthetic microfibers and macrofibers that compares favorably to down. [11]
Fake fur is less biodegradable due to its composition of various synthetic materials. These materials often include blends of acrylic and modacrylic polymers derived from coal, air, water, petroleum, and limestone, which can potentially take between 500 and 1,000 years to break down. [13]
Thinsulate is a brand of synthetic fiber thermal insulation used in winter clothing. The word is a portmanteau of the words thin and insulate , trademarked by 3M. [ 1 ] The material is made by the 3M Corporation and was first sold in 1979. [ 2 ]
The down of birds is a layer of fine feathers found under the tougher exterior feathers. Very young birds are clad only in down. Powder down is a specialized type of down found only in a few groups of birds. Down is a fine thermal insulator and padding, used in goods such as jackets, bedding (duvets and featherbeds), pillows and sleeping bags ...
A dog's coat is composed of two layers: a top coat of stiff guard hairs that help repel water and shield from dirt, and an undercoat of soft down hairs, to serve as insulation. [1] Dogs with both under coat and top coat are said to have a double coat. Dogs with a single coat have a coat composed solely of guard hairs, with little or no downy ...
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Scroll down to read all about people’s relationships with their pets. #1. ... my dog has his own pillow. like, no s**t. he gets upset if i don’t get it just right for him.
This is a list of insulation materials used around the world. Typical R-values are given for various materials and structures as approximations based on the average of available figures and are sorted by lowest value. R-value at 1 m gives R-values normalised to a 1 metre (3 ft 3 in) thickness and sorts by median value of the range.