Investment casting is an industrial process based on lost-wax casting, one of the oldest known metal-forming techniques.

Process:

• Produce a master pattern
• Create a mould
• Produce wax patterns
• Assemble wax patterns
• Apply investment materials
• Dewax
• Burnout preheating
• Pouring
• Divesting
• Finishing

Advantages:

• Excellent surface finish
• High dimensional accuracy
• Extremely intricate parts are castable
• Almost any metal can be cast
• No flash or parting lines
• Effective utilization of metal
• Fewer environmental hazards from the foundry process