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2. Precision glass moulding - Wikipedia

   en.wikipedia.org/wiki/Precision_glass_moulding

   Precision glass moulding can be used to produce a large variety of optical form elements such as spheres, aspheres, free-form elements and array-structures. Concerning the curvature of the lens elements, the following statements can be drawn: Acceptable lens shapes are most bi-convex , plano-convex and mild meniscus shapes.

3. 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.

4. Silicone rubber - Wikipedia

   en.wikipedia.org/wiki/Silicone_rubber

   In its uncured state, silicone rubber is a highly adhesive gel or liquid. To convert it to a solid, it must be cured, vulcanized, or catalyzed.This is normally carried out in a two-stage process at the point of manufacture into the desired shape, and then in a prolonged post-cure process.

5. Replace Your Cling Wrap With These New Silicone Stretch ... - AOL

   www.aol.com/lifestyle/replace-cling-wrap...

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6. 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.

7. Transfer molding - Wikipedia

   en.wikipedia.org/wiki/Transfer_molding

   Transfer molding (BrE: transfer moulding) is a manufacturing process in which casting material is forced into a mold.Transfer molding is different from compression molding in that the mold is enclosed [1] rather than open to the fill plunger resulting in higher dimensional tolerances and less environmental impact. [2]