Henan Gnee New Material Co., Ltd. is one of the most reliable manufacturers and suppliers of heavy duty aluminum foil roll in China. With abundant experience, we warmly welcome you to wholesale high quality heavy duty aluminum foil roll in stock here from our factory. Good service and reasonable price are available.
Processing of Heavy-Duty Aluminum Foil
The processing of heavy-duty aluminum foil begins with cold-rolled coils, typically between 0.4 and 0.7 millimeters thick, which have a high deformation rate. The heavy-duty foil stock is pre-quenched at temperatures between 240-480°C before being fed into a rolling mill. Using high-hardness, high-smoothness steel rolls, the stock undergoes rough rolling, intermediate rolling, and finish rolling to become sheet metal.
Advantages of GNEE product: clean surface, uniform color, no splotches, flat and no pinholes; non-toxic and tasteless, safe and hygienic.
| Attribute | Details |
|---|---|
| Surface | Two sides bright |
| Thickness | 0.01mm - 0.2mm |
| End Use | Semi-rigid container used for food packaging after punching |
| Core ID | 76mm or 152mm |
| Width | 100mm - 1300mm |
| Alloy Series | 1000, 3000, 8000 series |
| Coil OD | max 800mm |
| Temper | Soft HO (h0), H18, H19, H22, H24, H26, etc |
| Coil Weight | 100kg/roll - 900kg/roll |
| Processing Method | Stamping |
Thickness Control During Production
During production, the thickness of the aluminum foil is controlled by adjusting the tension, the rolling force during rough rolling, and the speed during finish rolling. As the rolling speed increases during finish rolling, the thickness of the foil decreases; similarly, greater tension results in thinner foil. Using a strip production method, the minimum achievable thickness can be as low as 0.0025 millimeters, with a width of up to 1800 millimeters. This untreated aluminum foil is known as "bright foil" or "plain foil," which, due to its lower load-bearing capacity, is rarely used on its own. It is typically further processed into higher-grade packaging materials based on different applications.


Differences Between Regular and Heavy-Duty Aluminum Foil
The most noticeable differences between aluminum foil and heavy-duty aluminum foil are their thickness and strength. Regular aluminum foil is generally about 0.016 millimeters thick, while heavy-duty aluminum foil is typically around 0.024 millimeters thick. This additional thickness makes heavy-duty aluminum foil more resistant to tearing and puncturing, making it better suited for handling heavier or sturdier foods. The increased thickness also means it can withstand higher heat, making it more suitable for high-temperature cooking.
Tensile Strength
Another difference between aluminum foil and heavy-duty aluminum foil is their tensile strength. Tensile strength measures how much stress or pressure a material can withstand before breaking or tearing. Heavy-duty aluminum foil has higher tensile strength than regular aluminum foil, meaning it can withstand greater stress and pressure without tearing or breaking. This makes it ideal for applications where the foil needs to endure significant pressure, such as packaging heavy or bulky items.


FAQ
Is GNEE a trading company or a manufacturer?
GNEE is an integrated trading and manufacturing company to better serve our customers.
Will the products I order from GNEE be delivered on time?
Yes, we are committed to providing the highest quality products and delivering them on time, punctuality and honesty are the core principles of our company.
Do you provide product samples? Are they free?
GNEE provides supply to customers free of charge, but customers need to bear the express freight.
Do your products undergo third-party inspection?
Yes, GNEE is fully third-party inspected to ensure transparency and quality assurance.
How does GNEE ensure product quality?
Each product is produced in a qualified workshop, and GNEE has obtained US FDA certification, EU ROHS compliance, SVHC compliance, and ISO quality management system certification.


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