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2. 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 ...

3. 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.

4. Permanent mold casting - Wikipedia

   en.wikipedia.org/wiki/Permanent_mold_casting

   The mold life is dependent on four factors: the mold material, the pouring temperature, the mold temperature, and the mold configuration. Molds made from gray cast iron can be more economical to produce but have short mold lives. On the other hand, molds made from H13 tool steel may have a mold life several times greater.

5. 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]

6. Foundry - Wikipedia

   en.wikipedia.org/wiki/Foundry

   The pattern is made of wax, wood, plastic, or metal. The molds are constructed by several different processes dependent upon the type of foundry, metal to be poured, quantity of parts to be produced, size of the casting, and complexity of the casting. These mold processes include: Sand casting – Green or resin bonded sand mold.

7. 12 Vintage Christmas Blow Molds Worth Serious Cash

   www.aol.com/12-vintage-christmas-blow-molds...

   10. Vintage Blow Mold Poloron Carolers. OldGold71/ebay. Price on eBay: $900. There’s no need for a security camera to keep criminals off your porch. This set of vintage carolers is creepy enough ...