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Materials
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The post process requirements are specific to the material used. Rigid plastic compression molded parts can be finish machined, etched and painted. Most softer silicone material are neither finish machinable nor paintable, but soft urethane can be painted.
Plastics
- Finish CNC
- Etched
- Painted
- Drilled
Elastomers not including silicone
- Painting
Post Processes
The post process requirements are specific to the material used. Rigid plastic compression molded parts can be finish machined, etched and painted. Most softer silicone material are neither finish machinable nor paintable, but soft urethane can be painted.
Plastics
- Finish CNC
- Etched
- Painted
- Drilled
Elastomers not including silicone
- Painting
Technical Info
Material range includes thermosets, thermoplastics, elastomers, and natural rubbers
Part tolerances for compression molded rubber parts range from + 0.004” – 0.090”, varying by the length and thickness of the part
Corner radii should be designed greater than 0.050” although 0.010” can be achieved with the correct design
We recommend avoiding any undercuts
Circularity tolerances range from 0.006” – 0.008”
The minimum diameter of a hole should be 0.050”, and the height of a hole should not be more than twice its diameter
Minimum wall thickness should be 0.060” – .118”, depending on the material being used
Materials
- Silicone (varying durometers)
- Optical-Grade Silicone
- Medical-Grade Silicone
- Fluorosilicone
- Urethane
- High-density Polyethylene (HDPE)
- Epoxy
- Melamine
- Polytetrafluoroethylene (PTFE)
- Polyphenylene Sulfide (PPS)
- Neoprene
- Butyl
- Polypropylene
- Polystyrene
- UHMWPE
- EPDM
- Viton
- Nitrile
- Nylon
- Butyl
- Phenolics
- PEEK
- Nylon
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