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Design Guidelines
Recommended wall thicknesses by resin type
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ABS |
0.045 - 0.140 |
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Acetal |
0.030 - 0.120 |
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Acrylic |
0.025 - 0.500 |
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Liquid crystal polymer |
0.030 - 0.120 |
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Long-fiber reinforced plastics
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0.075 - 1.000 |
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Nylon |
0.030 - 0.115 |
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Polycarbonate |
0.040 - 0.150 |
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Polyester |
0.025 - 0.125 |
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Polyethylene |
0.030 - 0.200 |
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Polyphenylene sulfide |
0.020 - 0.180 |
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Polypropylene |
0.025 - 0.150 |
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Polystyrene |
0.035 - 0.150 |
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Polyurethane |
0.080 - 0.750 |
The table* shows wall thicknesses Protomold recommends according to resin. Please note that thin walls only work on small parts and thicker walls are required where the resin has a long way to flow (Protomold makes parts with dimensions of about 0.25" to 15" or more).
* Adapted from www.manufacturingcenter.com
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