Food-Grade PE Coated Aluminum Coil for Cookware Aluminum Disc Stamping

1. Core Advantages

• Food safety compliant coating

  The polyester paint meets international food contact standards, no toxic volatile substances, safe for long-term contact with food and high-temperature cooking environment.

• Soft O temper aluminum substrate

  1060 pure aluminum base with excellent ductility, perfect for deep drawing into seamless round aluminum cookware discs without substrate cracking.

• High bonding coating performance

  Complete multi-stage surface degreasing and non-chromium passivation treatment ensures the paint film tightly combined with aluminum, no peeling during deep drawing, punching and flanging.

• Uniform thin coating film

  Controlled 23–28μm coating thickness, will not affect the stretching forming performance of aluminum blanks, no thick paint accumulation at the edge of aluminum circles.

• Anti-corrosion kitchen surface

  The PE coating effectively resist water, oil and daily kitchen cleaning agents, maintain stable appearance for long-time cookware use.

• Protective film lamination

  The coated surface is covered with thick transparent PE film to avoid scratches, dust and pollution during slitting, stamping and transportation.

• Custom color options

  Provide food-safe white, silver, black and other solid colors, custom color matching according to cookware brand design requirements.

• Single/double-sided coating optional

  Support single-sided food-grade coating for one-sided cookware, double-sided coating for two-sided visible kitchen metal parts.

2. Production Process

1060 pure aluminum coil uncoiling → Multi-stage circulating water degreasing & cleaning → Non-chromium environmental passivation → Hot air constant temperature drying → Food-grade PE primer roller coating → High temperature curing → Food-safe PE top finish coating → Secondary baking cooling → Anti-scratch protective film laminating → Finished coil rewinding → Food safety & coating performance inspection → Moisture-proof export packaging

Online coating thickness monitoring and food safety sampling inspection are carried out continuously to guarantee every coil meets food contact production standards.

3. Standard Technical Parameters

4. Main Application Fields

Kitchen cookware manufacturing: Stamped aluminum discs, frying pan blanks, soup pot substrates, baking tray raw materials

Food processing equipment: Food machinery decorative panels, food container aluminum parts

Household kitchen accessories: Aluminum water cups, baking molds, kitchen metal decorative strips

Small home appliances: Rice cooker inner liner decorative aluminum panels, air fryer metal shells

5. Export Packaging Standard

Each food-grade coated aluminum coil wrapped with multi-layer food-grade moisture-proof PE film and thick neutral kraft paper, the coated surface isolated by protective film to prevent friction scratch. Coil fixed on fumigated wooden pallet with steel strapping to avoid deformation during long-distance sea transportation. Shipping label marked alloy grade, thickness, width, color code, net weight and food-grade mark. Fumigation certificate and food safety test report can be provided for overseas customs clearance. Narrow slit small coils packed into independent food-grade cartons.

6. Inspection & After-sales Service

Five times strict pre-shipment inspection: Food safety precipitation test, coating thickness test, cross-cut adhesion test, deep drawing simulation test, surface defect inspection. Complete documents provided: MTC material test certificate, food contact test report, RoHS certificate, MSDS, commercial invoice and packing list. Professional technical team provides deep drawing processing guidance for aluminum disc production. If any coating or surface quality defects are found within 7 working days after receiving goods, please provide clear photos and video evidence; our team will reply within 24 hours and provide re-production, supplementary shipment or reasonable compensation solutions.

FAQ

Q1: Can this coil be used to make frying pans that contact high-temperature food?

A: Yes, the coating passes food contact high temperature test, no harmful substances precipitate under normal cooking temperature, safe for frying pan and baking tray production.

Q2: Will the coating crack during deep drawing aluminum discs?

A: The soft O temper aluminum base and flexible food-grade paint film have excellent stretch resistance, conventional deep drawing and edge flanging will not cause paint cracking or peeling.

Q3: Can you customize exclusive colors for cookware brands?

A: We support custom color matching according to customer physical samples, small trial sample order is available before mass production.

Q4: Is double-sided food-grade coating available?

A: Yes, double-sided food-safe PE coating can be produced for kitchen metal parts that need decoration on both sides.

Q5: What test reports can you provide for food export?

A: We can supply food contact safety test report, MTC, RoHS certificate and all customs clearance documents required by different countries.