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Technical : 7.1 Tolerances/Dimensioning

7.1 Tolerances/Dimensioning

Our resin vendors require tolerances in the percent volumetric shrink of the product they supply to us. Those volumetric tolerances translate to linear dimensions as follows: For rings with concentric ID & OD, typically acceptable tolerances are plus/minus .005" per inch of diameter. Different geometries will yield different results.

Varying our process can correct within limits for resin lots with different shrinkages. However the natural resilience of the resin allows the finished part to conform to the mating surface.
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Plastic Injection Molding Services

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