8021 Ju'un aluminio
As a professional aluminum processing manufacturer with years of experience, we are committed to the R&D, production and sales of 8021 ju'un aluminio. Our 8021 aluminum foil belongs to the 8xxx series of high-performance alloy products, and has been widely recognized in the global market for its excellent comprehensive performance. This detail page systematically introduces its key information such as alloy properties, core advantages, specification parameters and application scenarios, helping you fully grasp the product value and providing professional support for your purchasing decisions.
I. Product Overview
8021 aluminum foil is a typical 8xxx series aluminum-manganese alloy foil. It uses high-purity aluminum as the base material, and optimizes its mechanical properties and processing properties by scientifically adding an appropriate amount of manganese, iron and other alloying elements. It is a non-heat-treatable strengthened alloy, processed into thin foil through precision processes such as cold rolling and annealing. It has the characteristics of stable quality, excellent performance and wide applicability, and has become the preferred material for many well-known enterprises in food, pharmaceutical, Najo', industrial and other fields.
II. Alloy Properties of 8021 Ju'un aluminio
The excellent performance of 8021 aluminum foil stems from its reasonable alloy composition and precision processing technology. Its alloy properties are mainly reflected in three aspects: Composición química, mechanical properties and key functional properties, laying a solid foundation for its wide application in various fields.
2.1 Chemical Composition
Le composición química ti' 8021 aluminum foil is strictly controlled in accordance with international standards to ensure the stability and consistency of its performance. The specific mass fraction of each component is shown in the following table:
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Grado aleación
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Aluminio (Ti' le)
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Manganeso (Mn)
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Hierro (Fe)
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Silicio (Wa)
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Cobre (Cu)
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Other Impurities
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8021
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Balance
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0.8-1.3
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0.7-1.0
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≤0.30
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≤0,10
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≤0.15
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Note: Manganese is the core alloying element of 8021 ju'un aluminio, which can effectively improve the strength and ductility of the aluminum foil; iron can optimize the processing performance and prevent the aluminum foil from cracking during the rolling process; the content of other impurities is strictly controlled to ensure the purity and safety of the product.
2.2 Propiedades mecánicas
The mechanical properties of 8021 aluminum foil vary with different tempers (O temper, H18 temper, H24 temper), and can be customized according to customers’ actual processing and application needs. The specific mechanical properties are shown in the following table:
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Atemperar
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Resistencia le tracción (Mpa)
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Alargamiento (%)
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Mechanical Characteristics
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O Temper (Soft Temper)
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70-100
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≥25
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Soft texture, excellent ductility and plasticity, easy to fold and form
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H18 Temper
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180-220
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≥3
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High strength and hardness, good wear resistance, not easy to deform
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H24 Temper
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130-160
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≥8
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Balanced strength and ductility, suitable for general processing and packaging scenarios
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2.3 Key Functional Properties
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Functional Performance Category
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Core Indicators
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Specific Description
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Applicable Scenarios
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Barrier Performance
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Oxygen Transmission Rate ≤0.5cc/(m²·24h), Moisture Transmission Rate ≤0.3g/(m²·24h)
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Excellent barrier properties against oxygen, humedad, light and odor, effectively isolating harmful substances from the outside
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Food and Pharmaceutical Packaging
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High Temperature Resistance
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Long-term Service Temperature -20℃~120℃, Short-term Tolerance 150℃
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Can withstand high-temperature sterilization and microwave heating, not easy to deform or age
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Retort Food and Microwave Food Packaging
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Resistencia le corrosión
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Neutral Salt Spray Test ≥72h Without Obvious Corrosion
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Good natural corrosion resistance, can withstand acid and alkali environments after surface treatment
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Industrial Packaging, Use in Humid Environments
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Processing Performance
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Folding Times ≥100 Without Cracking, Sealing Strength ≥15N/15mm
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Excellent ductility, easy to fold, seal, print and compound, suitable for automatic production lines
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Various Packaging and Processing Scenarios
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III. Core Advantages of 8021 Ju'un aluminio
Compared with commonly used aluminum foils such as 8011 y 1235, 8021 aluminum foil has unique comprehensive advantages, which can better meet the high-quality requirements of various industries for packaging materials, and has outstanding cost performance.
3.1 Excellent Quality and Safety, Compliant with International Standards
We use high-purity primary aluminum ingots as raw materials, and the production process strictly complies with international standards such as ASTM B479, GB/T 3198, FDA and ISO9001. The product contains no harmful impurities, is non-toxic, tasteless and pollution-free, and can be directly contacted with food and drugs, safe and reliable.
3.2 Outstanding Barrier Performance, Extending Product Shelf Life
Compared with other series of aluminum foils, 8021 aluminum foil has more prominent barrier performance, which can effectively isolate oxygen, moisture and light, prevent packaged products from oxidation, mildew and deterioration, greatly extend the shelf life of products, and is especially suitable for food and pharmaceutical products with high fresh-keeping requirements.
3.3 Good Ductility and Processability, Adapting to Diversified Needs
8021 aluminum foil has excellent ductility and plasticity, especially the O temper product, which can be easily folded, bent, sealed and printed without cracking. It can be processed into single-layer, double-layer or multi-layer composite foil, adapting to the diversified processing and packaging needs of different industries.
3.4 High Temperature and Corrosion Resistance, Wide Applicability
It has good high temperature resistance, suitable for packaging high-temperature sterilized food and microwave-heated food; at the same time, it has excellent corrosion resistance, which can be used in various harsh environments for a long time, expanding its application range in the industrial field.
3.5 High Precision and Stable Performance, Reducing Packaging Loss
Adopting advanced cold rolling and annealing equipment, strict quality control throughout the production process, the thickness tolerance can reach ±0.0005mm, the width tolerance is ±0.1mm, the surface is flat and smooth, without pinholes and burrs. The performance of each batch of products is consistent, which can avoid uneven packaging caused by material problems and reduce packaging loss.
3.6 High Cost-Effectiveness, Factory Direct Supply
As a source manufacturer, we have our own production base and advanced production lines, eliminating intermediate distributor links, and the product price has obvious advantages. We can undertake large-volume orders, and the more the purchase quantity, the more favorable the price; at the same time, conventional specifications are in stock, and customized specifications can be delivered quickly, balancing cost and supply stability.
IV. Core Specifications of 8021 Ju'un aluminio
We provide full-specification 8021 ju'un aluminio, which can be customized in terms of thickness, Kóoch, largura, temper, surface treatment, etc., according to customers’ actual application scenarios and processing needs. Conventional specifications are available in stock, and customized specifications can be delivered quickly. The specific standard specifications are as follows:
4.1 Standard Specification Parameters
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Parameter Category
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Standard Parameters
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Applicable Scenarios
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Customizable Range
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Grado aleación
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8021 (8xxx Series Aluminum-Manganese Alloy)
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Food, Pharmaceutical, Household, Industrial Packaging, etc.
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Fixed grade, not customizable
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Espesor
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0.006milímetro-0.2milímetro
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0.006-0.015milímetro: Flexible Packaging; 0.015-0.05milímetro: Pharmaceutical/Snack Packaging; 0.05-0.2milímetro: Household/Industrial Use
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0.005milímetro-0.3milímetro
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Kóoch
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10mm-1600mm
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Narrow Width: Small Packaging; Medium Width: Food/Pharmaceutical Packaging; Wide Width: Household/Industrial Packaging
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5mm-2000mm
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Largura (Per Roll)
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100m-5000m
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Short Length: Small Batch Use; Long Length: Mass Production/Automatic Production Lines
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50m-10000m
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Atemperar
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O Temper, H18 Temper, H24 Temper
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O Temper: Flexible Packaging; H18 Temper: Industrial Use; H24 Temper: General Packaging
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Customizable according to processing needs
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Surface Treatment
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Bright Surface, Matte Surface, Capa, Printing
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Capa: Improve Barrier Properties; Printing: Brand Promotion
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Customizable surface treatment methods
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Tolerance
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Espesor: ±0.0005mm; Kóoch: ±0.1mm
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High Precision, Suitable for Fine Processing
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Customizable according to precision needs
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4.2 Customization Instructions
If the standard specifications cannot meet your actual needs, we can provide professional customization services. You only need to provide specific parameters such as the required thickness, Kóoch, largura, temper and surface treatment, and our technical team will formulate a suitable production plan for you to ensure that the product meets your processing and application requirements.
V. Detailed Application Scenarios of 8021 Ju'un aluminio
With its excellent comprehensive performance, 8021 aluminum foil is widely used in food packaging, Envases farmacéuticos, household packaging, industrial packaging and other fields, covering daily life, commercial circulation, industrial production and other scenarios, with extremely strong applicability.
5.1 Food Packaging (Core Application)
This is the most important application scenario of 8021 ju'un aluminio, mainly used for packaging various foods that need fresh-keeping and flavor retention, Incluido: flexible packaging of snacks (potato chips, candies, nuts, etc.), packaging of cooked food (braised food, cold dishes, etc.), packaging of canned food, retort food, frozen food, and packaging of dairy products (milk powder, yogurt, etc.). Its excellent barrier performance can effectively protect food from pollution and extend the shelf life.
5.2 Pharmaceutical Packaging
8021 aluminum foil meets the strict safety requirements of the pharmaceutical industry, and is widely used for packaging drugs such as tablets, capsules, granules and pills. It can be processed into aluminum-plastic blister packaging foil and strip packaging foil, which can effectively isolate moisture, oxygen and light, prevent drug deterioration, ensure drug efficacy and medication safety, and is easy to print drug information for identification and management.
5.3 Household Packaging
In the household field, 8021 aluminum foil is mainly used as kitchen foil, which is used for wrapping food, baking, grilling and refrigerated fresh-keeping. It has the characteristics of high temperature resistance, non-stick and easy cleaning, which can keep food fresh and prevent nutrient loss; it is also used for packaging small household items (jewelry, electronic accessories, etc.) to prevent oxidation and dust accumulation.
5.4 Industrial Packaging
In the industrial field, it is used for packaging electronic components (chips, resistors, capacitors, etc.), precision mechanical parts and metal products. Its excellent barrier and corrosion resistance can prevent packaged parts from oxidation, rust and dust pollution, and protect the precision and performance of parts; it can also be used as gaskets, insulation materials and heat dissipation materials in industrial equipment.
5.5 Other Special Applications
It can also be applied to aerospace (packaging of aerospace food and accessories), medical equipment (packaging of disposable medical supplies), high-end cosmetics (packaging of skin care products) and other fields, adapting to various special needs and showing broad application prospects.
5.6 Correspondence Table of Application Scenarios and Specifications
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Application Field
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Recommended Thickness
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Recommended Temper
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Recommended Surface Treatment
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Core Requirements
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Food Flexible Packaging
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0.006-0.015milímetro
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O Temper
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Capa, Printing
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High Barrier, Food Safety
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Pharmaceutical Blister Packaging
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0.02-0.05milímetro
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H24 Temper
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Pharmaceutical Coating
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Sterile, High Barrier, Easy to Tear
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Household Kitchen Foil
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0.08-0.2milímetro
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O Temper, H24 Temper
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Bright Surface, Matte Surface
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High Temperature Resistance, Non-Stick
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Industrial Parts Packaging
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0.05-0.15milímetro
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H18 Temper, H24 Temper
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Anti-Rust Coating
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Resistencia le corrosión, High Strength
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VI. Comparison with Other Commonly Used Aluminum Foils
To help you better select aluminum foil materials, the following compares the core differences between 8021 aluminum foil and two commonly used aluminum foils (8011 y 1235), clarifying their respective advantages, disadvantages and applicable scenarios:
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Grado aleación
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Core Advantages
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Disadvantages
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Applicable Scenarios
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Cost-Effectiveness
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8021
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Excellent barrier, high temperature resistance, safety and balanced performance
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Price slightly higher than 1235 ju'un aluminio
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High-requirement scenarios: Food, Pharmaceutical, Industrial Packaging
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★★★★★
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Utsil ductilidad, low cost and easy processing
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Barrier and high temperature resistance slightly inferior to 8021
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General packaging: Ordinary snacks, Ju'un u aluminio utia'al u wotoch
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★★★★☆
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1235
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Low price, high purity and good ductility
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Poor barrier, high temperature resistance and low strength
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Low-requirement packaging: Decoration, ordinary wrapping
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★★★☆☆
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VII. Production Process and Quality Assurance
7.1 Core Production Process
We adopt advanced production technology and strict production management to ensure the quality of 8021 ju'un aluminio. The core production process includes: Raw Material Screening → Alloy Smelting → Cast Rolling Forming → Precision Cold Rolling → Annealing Treatment → Slitting and Cutting → Surface Treatment → Finished Product Inspection → Packaging and Shipping.
7.1.1 Parameter Table of Each Link in the Production Process
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Process Link
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Core Control Parameters
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Core Function
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Quality Standard
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Alloy Smelting
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Smelting Temperature 720-760℃, Heat Preservation 2-3h
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Make alloying elements evenly distributed and improve material uniformity
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Composition Deviation ≤±0.05%
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Precision Cold Rolling
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Rolling Speed 3-5m/s, Reduction Rate 20%-30%
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Control aluminum foil thickness and improve surface flatness and strength
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Thickness Tolerance ±0.0005mm
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Annealing Treatment
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Annealing Temperature 300-350℃, Heat Preservation 1-2h
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Eliminate internal stress and adjust aluminum foil temper (O temper/H temper)
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Hardness Deviation ≤±5HV
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Finished Product Inspection
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Full Inspection of Appearance, Thickness and Mechanical Properties
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Eliminate unqualified products and ensure factory quality
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Qualified Rate ≥99.8%
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7.2 Quality Assurance System
We uphold the concept of “Quality First” and have established a complete quality control system covering every link from raw material screening to finished product shipping. Our products have passed ISO9001 quality management system certification, and we can provide quality inspection reports and third-party testing services; at the same time, we provide 24-hour after-sales service and free sample testing service to solve customers’ worries.
VIII. Procurement Guidelines and Manufacturer Services
8.1 Procurement Notes
Before procurement, please clarify the requirements for product specifications, temper and surface treatment; select appropriate parameters according to the application scenario; for large-volume procurement, you can contact us to get preferential quotes; we support a variety of commonly used international payment methods and transportation methods.
8.2 Core Manufacturer Services
We provide customization services, in-stock supply, free samples, one-on-one technical guidance, stable supply and other services, committed to providing customers with efficient, worry-free and cost-effective procurement solutions.
IX. Product Summary
8021 aluminum foil is a high-performance 8xxx series aluminum-manganese alloy foil, integrating excellent alloy properties, core advantages and wide applicability. It performs outstandingly in barrier properties, high temperature resistance, processability and safety, and is widely used in food, pharmaceutical, Najo', industrial packaging and other fields.
As a source manufacturer, we have rich production experience, advanced production equipment and strict quality control, and can provide customers with high-quality 8021 aluminum foil and comprehensive one-stop services. Whether you have requirements for standard specifications or customized needs, we can provide you with professional solutions. Welcome to consult at any time to get free samples and accurate quotes!
