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large silicone rubber crab mold and master pattern
urethane rubber part removed from mold
  • Cast low to medium quantities of parts - from 10s to 1000s
  • Production-quality finishes with the look and feel of injection molded parts
  • Spend less -
    • Typically lower unit costs than direct part printing
    • Fraction of the tooling cost required for injection molding
  • Cut lead time from months to weeks for tooling compared to injection molding
  • Select:
    • Food-grade and medical-grade materials
    • Elastomers to rigid plastics ranging from 20A - 90D durometer
    • Other materials such as silicone, plaster, concrete and other composites
  • Ideal for electronics housings, gaskets, cosmetic parts, displays and low volume production
 

Design Guidelines

Please note that these are are GUIDELINES, not hard and fast rules. Follow these and you should be in pretty good shape, but we'll let you know if we see any problems. Casting above all is more art than science. Please consult with our casting experts for project specific design instructions.

Parameter Inches Milimeters
Maximum part size Varies Varies
Minimum Supported Wall Thickness 0.080 2.00
Minimum Unsupported Wall Thickness 0.080 2.00
Minimum Supported Bosses 0.080 2.00
Minimum Unsupported Bosses 0.080 2.00
Minimum Embossed Detail (Height and Width) 0.040 1.0
Minimum Engraved Detail (Height and Width) 0.040 1.00