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Foam rubber yoga mat. Foam rubber (also known as cellular rubber, sponge rubber, or expanded rubber) is rubber that has been made with a foaming agent so that its structure is an air-filled matrix. Commercial foam rubber is generally made of synthetic rubber, natural latex, or polyurethane. Latex foam rubber, used in mattresses, is well known ...
To create foam latex, a liquid latex base is mixed with various additives and whipped into a foam, then poured or injected into a mold and baked in an oven to cure.The main components of foam latex are the latex base, a foaming agent (to help it whip into a froth), a gelling agent (to convert the liquid foam into a gel), and a curing agent (to turn the gelled foam latex into a solid when baked).
Upholstery is the work of providing furniture, especially seats, with padding, springs, webbing, and fabric or leather covers. The word also refers to the materials used to upholster something. Upholstery comes from the Middle English word upholder, [1] which referred to an artisan who makes fabric furnishings. [2]
The following year, the company added memory foam products to its offerings by acquiring the Comfor–Pedic line of memory foam mattresses and pillows from Comfor Products of Kent, Washington. [13] The company suffered financially under the successive ownership of multiple private equity firms and other private investors.
[36] [37] A year later 3M instead issued free samples of it as a sticky note directly to consumers in Boise, Idaho, with 95% of those who tried them indicating they would buy the product. [36] The product was sold as "Post-Its" in 1979 when the rollout introduction began, [38] and was sold across the United States [38] from April 6, 1980. [39]
The foam structure before solidification is an inherently unstable one, as the voids present greatly increase the surface free energy of the structure. [12] [20] In some synthetic biofoams, a surfactant can be used in order to lower the surface free energy of the foam and therefore stabilize the foam. In some natural biofoams, proteins can act ...