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Thick aluminum foil is a roll-type product that is thicker, more tear-resistant and can withstand higher temperatures than standard household aluminum foil. It is commonly used in food service, baking/barbecuing packages, frozen storage, protective/shielding layers, industrial insulation and packaging, electronic shielding/insulating pads, and certain repair or industrial uses (such as composite linings and reflective layers for construction).
Thick aluminum foil, also known as heavy-duty aluminum foil, refers to aluminum foil with a greater thickness than standard household foil. Typically ranging from 0.018 mm to 0.08 mm (18–80 microns) — and sometimes up to 0.1–0.2 mm for industrial applications — it offers superior strength, puncture resistance, and heat tolerance.
Because of its enhanced durability, thick aluminum foil is widely used in food service, baking, grilling, insulation, packaging, and industrial protection. It can withstand high temperatures, resist tearing, and maintain its shape better than regular foil.
Common alloys include 1100, 1145, and 1235, often supplied in the O (annealed) temper for excellent formability. The surface can be mill finish, bright, embossed, coated, or laminated, depending on specific requirements.
In short, thick aluminum foil is a versatile and durable material designed for heavy-duty cooking, industrial packaging, and insulation applications where standard foil is not sufficient.
| Alloy | 1145 / 1235 / 1100 (Al ≥ 99.4%) |
| Temper | O (annealed) |
| Thickness | 20 µm / 25 µm / 30 µm / 50 µm / 80 µm (Customizable 100–200 µm) 。 |
| Width | 305 mm (12″) / 381 mm (15″) / 457 mm (18″) / 610 mm (24″) / Customizable |
| Length (roll) | 10 m / 30 m / 100 m / 150 m / 500 ft |
| Surface finish | Mill finish / Bright annealed / Embossed / Coated (non-stick) / Laminated |
| Standards | ASTM B479, QQ-A-1876 |
| Application | Barbecue/baking/food packaging, frozen preservation, industrial insulation, electromagnetic shielding, composite layer lining |
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| Width | Length | Thickness |
|---|---|---|
| 12 in | 500 ft | — (heavy duty gauge) |
| 12 in | 300 ft | (ultra-thick) |
| 12 in | 150 ft | ~ 25 µm |
| 18 in | 500 ft | extra heavy duty |
| 18 in | 1000 ft | heavy duty |
| 24 in | 1000 ft | heavy duty |
| 24 in | 500 ft | heavy duty |
| 24 in | 1000 ft | heavy duty |
| 18 in | 1000 ft | — |
| 24 in | 1000 ft | — |
Food packaging and cooking: Ideal for baking, grilling, roasting, and freezing, thick aluminum foil can withstand high oven or grill temperatures without tearing or deforming. It is also used to wrap food for transport or long-term storage.
Catering and foodservice: Widely applied in restaurants, hotels, and commercial kitchens for covering trays, lining pans, and keeping food warm.
Industrial insulation: Serves as a reflective and heat-resistant layer in thermal insulation materials, HVAC ducts, and construction reflective barriers.
Electrical and electronic shielding: Acts as a conductive barrier in cables, transformers, and electronic components to prevent electromagnetic interference (EMI).
Packaging and sealing materials: Used as laminated layers with paper, plastic, or fabric to improve moisture, light, and gas resistance for industrial and pharmaceutical packaging.
Decorative and protective wrapping: In some cases, thick foil is used for gift wrapping, crafts, or surface protection during transport or manufacturing.
Thick aluminum foils possess several distinct characteristics that make them suitable for heavy-duty and industrial applications.
High Strength and Durability
Compared with standard or household aluminum foil, thick aluminum foil has a greater tensile strength and tear resistance, allowing it to maintain integrity under high temperatures or mechanical stress.
Excellent Heat Resistance
Thick foil can withstand intense heat from ovens, grills, and industrial equipment without melting, deforming, or breaking down, making it ideal for thermal insulation and cooking uses.
Superior Barrier Properties
It provides excellent protection against moisture, air, light, and odors, ensuring long-lasting freshness and preventing contamination in packaging applications.
Good Formability and Malleability
Despite its thickness, it can be easily molded, folded, or laminated with other materials such as plastic film or kraft paper, supporting customized packaging and processing needs.
High Reflectivity
The foil’s metallic surface reflects heat, light, and radiation, which enhances energy efficiency in insulation systems and reflective applications.
Corrosion and Chemical Resistance
Thick aluminum foil resists oxidation, corrosion, and chemical reactions, extending its service life in harsh environments.
Compliance with International Standards
Most thick aluminum foils conform to standards such as ASTM B209, EN 573, and ISO 209, ensuring consistent quality and reliability for industrial use.
In summary, thick aluminum foil is strong, heat-resistant, corrosion-proof, and highly reflective, offering outstanding performance in food packaging, insulation, and industrial manufacturing applications.
