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10 months ago in Additive Manufacturing By Veena

How to Chemically Smooth FDM-Printed Nylon (PA) Parts

What chemical treatments are effective for smoothing FDM-printed PA (nylon) parts?

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By Shobha Answered 6 months ago

For PA parts, vapor smoothing with DMF or formic acid is the most effective chemical method, producing a smooth, glossy surface—though it requires strict safety precautions due to toxicity. Alternatives include epoxy coating and mechanical sanding/polishing. Acetone does not work on nylon.

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