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  2. Foam rubber - Wikipedia

    en.wikipedia.org/wiki/Foam_rubber

    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 ...

  3. Foam latex - Wikipedia

    en.wikipedia.org/wiki/Foam_latex

    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).

  4. Disposable cup - Wikipedia

    en.wikipedia.org/wiki/Disposable_cup

    A disposable paper cup Disposable plastic cups A disposable foam cup containing coffee. A disposable cup is a type of tableware and disposable food packaging. Disposable cup types include paper cups, plastic cups and foam cups. [1] [2] Expanded polystyrene is used to manufacture foam cups, [3] and polypropylene is used to manufacture plastic ...

  5. Polymeric foam - Wikipedia

    en.wikipedia.org/wiki/Polymeric_foam

    Nitrile rubber (NBR) foam, the copolymers of acrylonitrile (ACN) and butadiene; Polychloroprene foam or Neoprene; Polyimide foam; Polypropylene (PP) foam, including expanded polypropylene (EPP) and polypropylene paper (PPP) Polystyrene#Foams (PS) foam Expanded polystyrene (EPS) Extruded polystyrene foam (XPS), sometimes sold under brand name ...

  6. Polyurethane - Wikipedia

    en.wikipedia.org/wiki/Polyurethane

    Polyurethane foam (including foam rubber) is sometimes made using small amounts of blowing agents to give less dense foam, better cushioning/energy absorption or thermal insulation. In the early 1990s, because of their impact on ozone depletion , the Montreal Protocol restricted the use of many chlorine -containing blowing agents, such as ...

  7. Polystyrene - Wikipedia

    en.wikipedia.org/wiki/Polystyrene

    The city will introduce bylaw amendments to prohibit business license holders from serving prepared food in polystyrene foam cups and take-out containers, beginning 1 June 2019. [ 95 ] In 2019, the European Union voted to ban expanded polystyrene food packaging and cups, with the law officially going into effect in 2021.

  8. Foam food container - Wikipedia

    en.wikipedia.org/wiki/Foam_food_container

    Siu mei with rice in a foam takeout container. A foam food container is a form of disposable food packaging for various foods and beverages, such as processed instant noodles, raw meat from supermarkets, ice cream from ice cream parlors, cooked food from delicatessens or food stalls, or beverages like "coffee to go".

  9. Microcellular plastic - Wikipedia

    en.wikipedia.org/wiki/Microcellular_plastic

    Depending on the gas, the foam's density can be between 5% and 99% of the pre-processed plastic. [2] Design parameters, focused on the foam's final form and the molding process afterward, include the type of die or mold to be used, as well as the dimensions of the bubbles, or cells, that classify the material as a foam. [ 1 ]