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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]
Clothing insulation is correlated with outdoor air temperature, indoor operative temperatures, relative humidity and also by the presence of a dress code in the environment in question. Recent studies have developed dynamic predictive clothing insulation models that allow more precise thermal comfort calculation, energy simulation, HVAC sizing ...
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 ]
These seven pillows are the best down pillows you can buy right now. Shop the best pillows here. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach ...
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 ...
Scroll down to read all about people’s relationships with their pets. ... and sleeping with them reduces the feeling of loneliness that plagues people struggling with grief," she explained. #4 ...
Polyester fiber is used as cushioning and insulating material in pillows, comforters, stuffed animals and characters, and upholstery padding. Polyester fabrics are highly stain-resistant since polyester is a hydrophobic material, making it hard to absorb liquids.
Loose-fill insulation comes in loose fibers or pellets and should be blown into a space. Rigid foam is more expensive than fiber, but generally has a higher R-value per unit of thickness. Foam-in-place insulation can be blown into small areas to control air leaks, like those around windows, or can be used to insulate an entire house. [33]
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