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  2. Casting - Wikipedia

    en.wikipedia.org/wiki/Casting

    Plaster and other chemical curing materials such as concrete and plastic resin may be cast using single-use waste molds as noted above, multiple-use 'piece' molds, or molds made of small rigid pieces or of flexible material such as latex rubber (which is in turn supported by an exterior mold). When casting plaster or concrete, the material ...

  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. Foam rubber - Wikipedia

    en.wikipedia.org/wiki/Foam_rubber

    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 for its endurance.

  5. Compression molding - Wikipedia

    en.wikipedia.org/wiki/Compression_molding

    Compression molding is a method of molding in which the molding material, generally preheated, is first placed in an open, heated mold cavity. The mold is closed with a top force or plug member, pressure is applied to force the material into contact with all mold areas, while heat and pressure are maintained until the molding material has cured; this process is known as compression molding ...

  6. Spin casting - Wikipedia

    en.wikipedia.org/wiki/Spin_casting

    The spin casting process typically uses vulcanized silicone or organic rubber as the mold-making substrate. Vulcanization is an integral step that occurs halfway through the mold-making process. Prior to vulcanization, the mold rubber is a soft and malleable solid-like fluid, in many ways very similar to Silly Putty. Because of the clay-like ...

  7. Talalay process - Wikipedia

    en.wikipedia.org/wiki/Talalay_process

    The Talalay process is a method of producing molded pieces of latex foam rubber. A liquid latex rubber base is introduced to a closed mold and is then vacuumed of air. The mold is then frozen to stabilize the cell structure. Carbon dioxide gas is introduced and the mold is heated to cure the rubber.

  8. Hearing Aids With Earmolds Vs. Rubber Domes: What to Know

    www.aol.com/hearing-aids-earmolds-vs-rubber...

    Rubber Domes: What to Know. Unknown. Updated October 30, 2024 at 12:16 PM. You may have noticed that a friend has a hearing aid with a special end piece that fits in their ear.

  9. Release agent - Wikipedia

    en.wikipedia.org/wiki/Release_agent

    The matrix is created by the other ingredients in the semi-permanent mold release. Applications of semi-permanent mold release vary from every cycle to once daily applications depending on the compound being molded and the design and quality of the mold. Silicone-based rubber products, however, require a non-silicone based releasing agent.

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