Tray Stamping? Use This Aluminum Foil for Food Trays

Making food trays (baking pans, takeout containers, airline meal trays, frozen food trays) starts with the right aluminum foil for food trays. Pick correctly – good forming, stable heat resistance, high food safety. Pick wrong – high scrap rate, customer complaints. Below are the key points.

Thickness determines stiffness, alloy determines formability

Thickness directly affects whether the tray feels flimsy. Common ranges:

- 0.05–0.06mm – small trays (egg tart cups, sauce dishes)  

- 0.07–0.08mm – general use, most disposable baking and fast-food trays  

- 0.09–0.10mm – large or load-bearing trays (deep pan for roasting a whole chicken)

Alloy choice:  

- 8011 – the mainstream choice. High strength, good formability, deep-drawing without cracking. Used in 80% of food trays.  

- 3003 – better corrosion resistance, suitable for frozen or salty foods.  

- 1100 – soft, only for shallow trays or hand-folded simple designs.

Bottom line: if no special requirement, go with 8011.

Width, coil diameter, and mechanical properties – affecting efficiency and scrap rate

- Width – determined by your tray mold. Common range 300–800mm. Custom width reduces edge waste.  

- Coil diameter – larger diameter (≥500mm outer) means fewer coil changes, longer continuous production. Request large coils for big orders.  

- Mechanical properties – tensile strength and elongation. Higher elongation means less cracking during stamping. 8011 typically offers ≥2.5% elongation. Too hard foil springs back; too soft lacks stiffness.

Common question: “Why does it crack every few stampings?” – usually due to low elongation or uneven thickness.

Food safety and heat resistance – must meet FDA or EU standards

Food trays contact food directly. Aluminum foil itself is non-toxic, but confirm three things:

- Meets FDA (US) or EU (Europe) food contact material standards  

- No oil stains, no heavy metal residue on the surface  

- Heat resistance: oven use requires ≥200°C; 8011 can handle 230°C  

Important reminder: aluminum foil trays cannot go into a microwave (sparks). Only for ovens or refrigeration. Many users miss this – remind your customers.

Selection guide for different applications

How to quickly judge quality when purchasing

Three simple methods during incoming inspection:

- Look – no pinholes, no scratches, no oil stains  

- Feel – uniform thickness, no burrs on edges  

- Test stamp – take a small piece and stamp a few trays to see if cracking occurs

Ask your supplier: Is the chemical composition stable? Is the flatness good? Is width tolerance within ±1mm? Small mills often produce foil that breaks easily – that’s due to loose alloy control or poor rolling processes.

Summary: When choosing aluminum foil for food trays, remember four keywords – thickness, alloy, elongation, food safety certification. For large orders, prioritize suppliers with stable composition and flatness control.

Mingtai Aluminum supplies consistent, food-grade aluminum foil for food trays – custom widths and alloys available for your production.

FAQ

Q: Which aluminum alloy is best for making food trays?  

A: 8011 alloy is the most common choice – high strength and good formability.

Q: What thickness of aluminum foil is suitable for standard food trays?  

A: 0.05–0.08mm works for most disposable trays; heavy trays need 0.09–0.10mm.

Q: Can aluminum foil for food trays go directly into an oven?  

A: Yes, it withstands 200–230°C, but never use it in a microwave.

Q: What should I do if the foil cracks during stamping?  

A: Choose foil with elongation above 2% and avoid too thin gauge or sharp molds.

Q: Is all aluminum foil food-safe?  

A: No – only foil that meets FDA or EU food contact standards is certified safe.