Silicone engineering notes

Shorter notes from the shop floor — material choices, audit mechanics and design rules that come up often enough to write down.

These are shorter than the guides and more editorial: the reasoning behind a decision we make on the floor, written so a buyer or a designer can reuse it without reading a standard.

• Material

  Platinum-cured vs peroxide-cured silicone

  Platinum cure beats peroxide cure for medical and food-contact parts; peroxide still wins for thick-walled industrial seals. 5-minute read for buyers and engineers.

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• Quality

  ISO 13485 vs FDA 21 CFR 820

  Two QMS standards, one accepted audit, what is shared, what differs, how to read the certificate. Reference for medical device buyers and supplier QA teams.

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• Engineering

  Design for manufacturing with silicone

  What a DFM memo from a silicone molder should catch before tool steel is cut. 7 practical rules from cutting 1,840+ molds at three plants.

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Working on something that is not covered here? A drawing gets you a DFM memo within 48 hours.

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