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  • Events/Training
    • Events >
      • AM4IC
      • ICI Calendar
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      • Economic Charts >
        • ClearView Economics Archives
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      • Answers to Ask the Expert Questions
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      • Lenovo Products
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        • Visit UPS
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        • Visit YRC Freight
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    • Atlas of Wax & Casting Defects >
      • Atlas of Wax & Casting Defects- LAN
    • Ceramic Testing Guidebook
    • Process Videos >
      • Streaming Process Videos
    • ICI Publications
    • Technical Papers
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    • Conference Videos
  • Outreach
    • Investment Casting as a Career
    • Invite us to visit your school
    • Intern Scholarship
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  • About Us
    • Governance >
      • Mission Statement
      • Antitrust Policy
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      • Board of Directors
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    • Meet the ICI
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      • Casting Contest
      • Hall of Honor
      • Innovator of the Year
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    • Save Our History >
      • ICI Legacy
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      • Investment Casting Trends
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  • Link Page

Step 4: Dewax/Burnout

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Before pouring metal into the mold, the wax is removed. This is typically done using a steam dewax autoclave, which is like a large, industrial pressure cooker. 

Another method is the use of a flash fire oven, which melts and burns off the wax. Many foundries use both methods in concert. Autoclave removes the majority of the wax, which can be reconditioned and reused. Flash fire burns off residual wax and cures the shell, readying it for casting.

​Next... Step 5: Metal Pouring

Back... What Is Investment Casting

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