What is the difference in application between aluminum foils of different thicknesses?

What is the difference in application between aluminum foils of different thicknesses?

Aluminum foil thickness

Aluminum foil is a thin aluminum alloy foil obtained by rolling aluminum sheets. It can be used in a variety of scenarios. The thickness of aluminum foil varies depending on the application. The conventional thickness of aluminum foil is 0.001-0.3mm.

Aluminum-foil-roll
Aluminum-foil-roll

Aluminum foil thickness application table

Alloy Temper Thickness Width Application
8011 O 0.009-0.02 mm 280-600 mm Household foil
1235,8011 O 0.015-0.15 mm 500-1500 mm Tape foil
3003,3004,8011 O,H22,H24 0.03-0.12 mm 300-1000 mm Container box
8011 H18 0.02-0.03 mm 500-1200 mm Medicine foil (blister)
8021 O 0.045-0.065 mm 500-1200 mm Medicine sales (cold aluminum)
8011 O,H22 0.009-0.12 mm 50-100 mm Duct material
8079,1235 O 0.006-0.009 mm 500-1200 mm Soft package composite
3003,3104 H18 0.04-0.08 mm 1000-1200 mm Honeycomb core trivalent chromium passivation
1100,8011 H22 0.04-0.12 mm 1000-1250 mm Polyurethane coating
1100,8011 O 0.06-0.12 mm 1000-1250 mm Roof tile waterproof composite (double-sided 10μm coating)
8011,8079 O 0.03-0.06 mm 600-1200 mm Milk cover foil
8011 H22 0.095-0.3 mm 200-1200 mm Hydrophilic foil, air conditioning box (fin material)
1100 H16 0.025-0.04 mm 1000-1250 mm Air conditioning fresh air system embossed composite material

The effect of aluminum foil thickness on performance

The different thicknesses of aluminum foil can also have a big impact on performance, such as thermal insulation and durability.

Effect of aluminum foil thickness on thermal insulation

Thicker aluminum foil: provides better thermal insulation by reducing heat transfer. It is commonly used for cooking, grilling and industrial insulation.
Thinner aluminum foil: still effectively reflects radiant heat, but is less resistant to conductive heat transfer, making it suitable for lightweight tasks such as wrapping food.

Effect of aluminum foil thickness on strength and durability

Thicker aluminum foil: more resistant to tears, punctures, and mechanical stress. Ideal for heavy-duty applications such as grilling or wrapping sharp foods.
Thinner aluminum foil: more easily torn and less durable. More suitable for short-term or low-pressure uses, such as covering cutlery or lightweight packaging.

Flexibility and conformability

Thicker aluminum foil: less flexible and difficult to conform to irregular shapes, so it is not very suitable for packaging delicate items.
Thinner aluminum foil: highly flexible and easy to conform to shapes, so it is ideal for tightly wrapping items such as food or medical products.

Effect of foil thickness on barrier properties

Thicker foil: Excellent barrier properties against moisture, light, oxygen and stains, extending shelf life for food packaging and industrial storage.
Thinner foil: Still a good barrier, but more prone to pinholes, which may affect its effectiveness over time.