FDA-approved.
Food contact safe.
Food industry.
Food-grade materials reference. FDA-approved metals, plastics, elastomers. 21 CFR compliance. Food contact, processing equipment.
Key principles.
Standard food
316L 21 CFR 175. Food contact, dairy, beverage. Standard.
21 CFR 177
HDPE, PP, PETG, polycarbonate, nylon FDA-listed.
USP VI
USP Class VI silicone, nitrile rubber for food/medical contact.
3003 H14
Aluminum food contact. Some grades approved.
Ra 0.8 sanitary
Sanitary surface finish per 3-A Sanitary standard.
Drainable
Drainable design. No stagnant zones. Crevice-free.
FAQ
What is FDA "food contact"?
21 CFR 175 (adhesives), 177 (food contact materials), 178 (additives). Materials approved for direct food contact.
316L vs 304 for food?
316L 2-3% Mo for chloride/acid resistance. Critical for processed food, dairy. 304 OK for many applications.
Surface finish for food?
Ra 0.8 µm general food. Ra 0.4 µm dairy/pharmaceutical. Electropolished for biopharm.
Sanitary 3-A standard?
3-A Sanitary covers food/dairy equipment design. Drainable, crevice-free, sanitary connections.
USP Class VI for food?
USP VI elastomer/plastic certified for medical implant. Higher than food contact. Acceptable for food.
Documentation?
Material certificates, FDA letter of compliance, surface finish documentation.
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