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  • Products
    • Furnace
      • Static Furnace
        • Bench Melting Furnace
        • Tilting Melting Furnace
        • Electric Furnace
        • Static Furnace
        • Induction Furnace
      • Continuous Casting Machines
        • Volcano Furnaces
        • Etna Series
      • Heat Treatment Furnaces
        • FRC Series
        • FN Series
        • FR Series
      • Vacuum Casting Machines
        • VAC Chamber
        • F1000 Furnaces
        • OPC A03​
      • Tunnel Casting for Gold & Silver Bar
    • Ceramic
    • Graphite
      • Graphite for Micro Casting Furances
      • Graphite for Continuous Casting Machines
      • Graphite for Static Furnace
      • Graphite for Melting Factories
    • Finishing
      • Circular Vibrator
      • Investment Cleaner
      • Disc Finishing
      • Sand Blasting Machine
      • Centrifugal Tumbler
      • “Macrobrill” Polishing Media for Vibratory Tumblers
      • Magnetic Shiner
      • Polishing Bench
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      • Rolling Mill
      • Plating Solution
      • Electroforming Machines
      • Electroplating Solution
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        • Opdel SO Air Series 
      • Induction Heating
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        • OPSOLO DRGN 24
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How to Cast 20 kg and 30 kg Silver Bars for Indian & International Markets  

By opdel.com

How to Cast 20 kg and 30 kg Silver Bars for Indian & International Markets   The global bullion industry operates under extremely strict manufacturing, assaying, and quality standards—especially when producing large-format silver bars for institutional…

How Modern Induction Furnace Technology is Transforming Metal Processing Industries | Powered by Delmer  

By opdel.com

How Modern Induction Furnace Technology is Transforming Metal Processing Industries | Powered by Delmer   In today’s competitive manufacturing environment, precision heating technology has become a critical factor in improving productivity, reducing energy costs, and ensuring…

High-Performance Graphite Solutions for Modern Furnaces: A Complete Industrial Guide  

By opdel.com

High-Performance Graphite Solutions for Modern Furnaces: A Complete Industrial Guide   In today’s fast-evolving manufacturing landscape, efficiency, precision, and durability are critical for success. One material that consistently meets these demands is graphite. Widely used in…

Delmer’s Volcano Collection: Power Born from Earth, Perfected for Performance 

By opdel.com

When precision melting meets uncompromising performance, Delmer delivers more than furnaces — we create engineering masterpieces inspired by the raw force of Earth’s most powerful natural wonders. Our Etna, Vulcano, and the latest Stromboli Series…

Understanding the Gold Melting and Assaying Process 

By opdel.com

Gold has been a symbol of wealth and value for centuries. Whether in jewelry, investment, or industrial applications, ensuring the purity and authenticity of gold is crucial. The processes of gold melting and assaying play…

Static Melting Furnaces Explained : Bench, Tilting, Electric, and Induction

By opdel.com

Metal melting is a crucial process in various industries, from jewelry making to large scale industrial metalworking. Static melting furnaces offer a stable and efficient way to melt metals with precision and reliability. These furnaces are designed…

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Recent Posts

  • How to Select the Right Furnace Capacity: 1kg, 5kg, 10kg, 25kg or 50kg?  
  • LBMA Quality Requirements for Gold Bullion Manufacturing: A Practical Guide for Refiners and Bullion Brands  
  • How to Reduce Precious Metal Loss During Gold Bar Production  
  • Why Tunnel Furnaces Produce Better Surface Finish Gold Bars  
  • ROI Analysis of Replacing Conventional Furnaces with Induction Furnaces: A Smart Investment for Modern Industries  

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Recent posts

How to Select the Right Furnace Capacity: 1kg, 5kg, 10kg, 25kg or 50kg?  

4 July 2026 0

LBMA Quality Requirements for Gold Bullion Manufacturing: A Practical Guide for Refiners and Bullion Brands  

25 June 2026 0

How to Reduce Precious Metal Loss During Gold Bar Production  

23 June 2026 0

Why Tunnel Furnaces Produce Better Surface Finish Gold Bars  

20 June 2026 0

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