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2. Resin casting - Wikipedia

   en.wikipedia.org/wiki/Resin_casting

   Specialist equipment can enable closed molds to be filled whilst under vacuum, a process known as resin vacuum casting, where air and gas bubbles are completely removed from the cast part. Pressure and/or centrifugal force can be used to help push the liquid resin into all details of the mold. The mold can also be vibrated to expel bubbles.

3. Core Molding Technologies - Wikipedia

   en.wikipedia.org/wiki/Core_Molding_Technologies

   The company manufactures sheet molding compounds (SMC), and molds fiberglass reinforced plastics. It occupies over 1,000,000 square feet of manufacturing space and its main subsidiaries are in Matamoros, Mexico, Gaffney, South Carolina, and Cincinnati, Ohio. In 2011, Core Molding Technologies formed Core Specialty Composites, LLC. [1] [2]

4. Vacuum assisted resin transfer molding - Wikipedia

   en.wikipedia.org/wiki/Vacuum_assisted_resin...

   Vacuum Assisted Resin Transfer Molding (VARTM) or Vacuum Injected Molding (VIM) is a closed mold, out of autoclave (OOA) [1] composite manufacturing process. VARTM is a variation of Resin Transfer Molding (RTM) with its distinguishing characteristic being the replacement of the top portion of a mold tool with a vacuum bag and the use of a vacuum to assist in resin flow. [2]

5. Shell molding - Wikipedia

   en.wikipedia.org/wiki/Shell_molding

   Shell molding, also known as shell-mold casting, [1] is an expendable mold casting process that uses resin covered sand to form the mold. As compared to sand casting , this process has better dimensional accuracy, a higher productivity rate, and lower labour requirements.

6. 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]

7. Duramold - Wikipedia

   en.wikipedia.org/wiki/Duramold

   Birch or poplar plies are impregnated with phenolic resin and laminated together in a mold under heat (280 °F, 138 °C) and pressure for use as a lightweight structural material. [1] Similar to plywood , Duramold and other lightweight composite materials like the similar Haskelite were considered critical during periods of material shortage in ...