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2. Spin casting - Wikipedia

   en.wikipedia.org/wiki/Spin_casting

   For example, a particular zinc alloy is typically cast between 413 and 427 °C (775 and 801 °F), whereas it actually melts much lower around 260 °C (500 °F). If the metal is introduced to the mold at a higher temperature (in this case, above 427 °C or 801 °F), it will wear the silicone prematurely, shortening the mold life.

3. Silicone - Wikipedia

   en.wikipedia.org/wiki/Silicone

   Two-part silicone systems are used as rubber molds to cast resins, foams, rubber, and low-temperature alloys. A silicone mold generally requires little or no mold-release or surface preparation, as most materials do not adhere to silicone. For experimental uses, ordinary one-part silicone can be used to make molds or to mold into shapes.

4. How to Make a Jell-O Mold That Comes Out Perfect

   www.aol.com/jell-o-mold-comes-perfect-150003594.html

   Plastic: Whether you’re new to making molds or like the convenience of a dishwasher-safe container, plastic molds are a good option. Many of these molds have a removable seal on the top and ...

5. Molding (process) - Wikipedia

   en.wikipedia.org/wiki/Molding_(process)

   A mold or mould is a hollowed-out block that is filled with a liquid or pliable material such as plastic, glass, metal, or ceramic raw material. [2] The liquid hardens or sets inside the mold, adopting its shape. A mold is a counterpart to a cast. The very common bi-valve molding process uses two molds, one for each half of the object.

6. Blow molding - Wikipedia

   en.wikipedia.org/wiki/Blow_molding

   After the plastic has cooled, the mold is opened and the part is ejected. [2] "Straight extrusion blow molding is a way of propelling material forward similar to injection molding whereby an Archimedean screw turns, feeding plastic material down a heated tube. Once the plastic is melted the screw stops rotating and linearly moves to push the ...

7. 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.