8011 О Темпер 0,008мм алуминијумска фолија за паковање хране
Ал метална легура: 8011
Температура алуминијума: О
Дебљина: 0.008мм
8011 О Темпер 0,008мм алуминијумска фолија за паковање хране
1. Увођење
8011 O temper 0.008mm aluminum foil has become a preferred material in the food packaging industry due to its excellent flexibility, супериорна својства баријере, stable processing adaptability, and high cost-effectiveness. The ultra-thin specification of 0.008mm (8 микрона) imposes extremely high requirements on production processes, прецизност опреме, and quality control, serving as a significant indicator of technical capability.
2. Увод у 8011 Алуминијумска легура
Тхе 8011 легура алуминијума припада серији 8ккк (Ал-Фе-Си систем) and is one of the most widely used and cost-effective aluminum foil alloys in the fields of food packaging, фармацеутска амбалажа, фолија за домаћинство, and container foil. Its mature production process and stable performance meet the packaging processing demands of various scenarios.
На бази алуминијума високе чистоће (Al content ≥ 99.0%), 8011 alloy is modified by adding appropriate amounts of alloying elements such as Fe (0.6–1,0%) и Си (0.5–0,9%). Compared to 1xxx series pure aluminum foils (Нпр., 1235, 1145), it exhibits significant advantages in comprehensive performance:
- Higher Mechanical Strength: Tensile strength is 20%-30% higher than that of 1xxx series pure aluminum foil, effectively preventing damage and punctures during packaging and enhancing integrity.
- Better Puncture Resistance: Capable of withstanding punctures from food particles and sharp impurities, preventing package failure and subsequent oxidation or contamination of food.
- Супериорна способност обликовања: Adapts well to complex processing techniques such as folding, дубоко цртање, and heat sealing without issues like creasing or wrinkling.
- Lower Pinhole Rate: Through optimized alloy composition and process control, pinhole counts can be controlled within 3 рупе/м², far superior to the pinhole levels of 1xxx series pure aluminum foil.
- More Stable Composite Processing Performance: Surface tension is easily adjustable; composite strength with substrates like PET, ПЕ, БОПП, and paper is ≥1.5N/15mm, спречавање деламинације.
Based on these advantages, 8011 aluminum foil is particularly suitable for food packaging structures with high-performance requirements, especially for long-shelf-life, високо уље, and easily oxidized foods, effectively extending shelf life and enhancing packaging quality.
3. Хемијски састав од 8011 O Temper Food Packaging Aluminum Foil
Хемијски састав од 8011 O temper foil strictly complies with the GB/T 3880.1-2012 “Wrought aluminum and aluminum alloy plates, strips and foils” стандардне. The content of Fe and Si elements is core to its performance, while other impurity elements must be strictly controlled to ensure food safety and processing performance.
| Елемент | Садржај (%) | Функција | Impurity Control Requirement |
|---|---|---|---|
| Ал | Остатак (≥99.0%) | Base material determining basic flexibility and ductility. | Purity ≥99.0%, avoiding performance impact from impurities. |
| Фе | 0.6–1.0 | Enhances mechanical strength, отпорност на пробијање, и отпорност на кидање. | Excess reduces flexibility; deficiency leads to insufficient strength. |
| И | 0.5–0.9 | Improves processing stability, перформансе котрљања, и квалитет површине. | Works synergistically with Fe; ratio must be strictly controlled. |
| Цу | ≤0,10 | Trace amounts improve strength, but excess reduces corrosion resistance. | Strictly controlled to avoid affecting food safety. |
| Мн | ≤0,20 | Auxiliary element to enhance strength and processing performance. | Excess causes brittleness, affecting flexibility. |
| Зн | ≤0,10 | Impurity element with no significant beneficial effect. | Strictly controlled to avoid affecting foil performance. |
Бележити: The above chemical composition meets food-grade aluminum foil standards, allowing direct contact with food without leaching harmful substances.
5. Основне предности перформанси од 8011 O Temper 0.008mm Aluminum Foil
8011 O temper 0.008mm aluminum foil has become the preferred material in the food packaging industry primarily because it combines four major advantages: својства баријере, food safety performance, механичка својства, и термичка стабилност. It perfectly adapts to the core needs of food packaging while aligning with industry trends toward lightweight and eco-friendly development.
5.1 Одлична својства баријере
The greatest core advantage of aluminum foil is its near 100% barrier capability. It effectively blocks external water vapor, кисеоник, светлости, арома, бактерије, and other substances, preventing food oxidation, апсорпција влаге, кварење, and odor transfer, thereby extending shelf life. Учинак баријере од 8011 8-micron foil is rigorously tested, as shown below:
| Barrier Object | Ефекат | Industry Testing Standard | Сценарио апликације |
|---|---|---|---|
| водена пара | Одлично, ВВТР ≤0,1 г/(㎡·24h) | ГБ/Т 1037-2021 | Млеко у праху, кексе, сушена роба, итд. |
| Кисеоник | Одлично, OTR ≤0.1cm³/(㎡·24h·atm) | ГБ/Т 1038-2000 | Месо, уља, ораси, итд. |
| Светлост | Потпуна непрозирност, 100% shading | ГБ/Т 2410-2008 | кафу, чај, витамини, итд. |
| Aroma | High retention, aroma transmission ≤0.5% | КБ/Т 4156-2010 | Чоколада, зачини, flavored foods, итд. |
| Bacteria | Добра баријера, effectively prevents bacterial invasion | ГБ 4806.1-2016 | Cooked food, Млечни производи, готова јела, итд. |
Due to its superior barrier properties, 8011 8-micron foil is particularly suitable for packaging easily oxidized, високо уље, high-aroma, and long-shelf-life foods, effectively protecting nutritional components and flavor while reducing food waste.
5.2 Outstanding Food Safety Performance
The core requirement for food packaging materials is safety, нетоксичност, and harmlessness. 8011 O temper 0.008mm foil strictly follows food-grade standards, mainly reflected in:
- Non-toxic and Odorless: Chemical composition consists of elements permitted in food-grade applications, free of harmful impurities (Нпр., Пб, Цд, Хг). The foil itself is non-toxic and tasteless, causing no food contamination.
- No Harmful Substance Migration: Under normal usage conditions (including high/low temperatures and acid/base environments), 8011 foil does not leach any harmful substances and does not alter food composition or flavor upon contact.
- High Surface Cleanliness: Production strictly controls surface oil, оксидне мрље, и нечистоће. Finished foil is clean, без мириса, and stain-free, suitable for direct food contact.
- Compliance with International Standards: Испуњава ФДА (У.С. Управа за храну и лекове) food contact standards, ЕУ ЕЦ 1935/2004 food packaging standards, SGS testing requirements, and China’s GB 4806.1-2016 “General Safety Requirements for Food Contact Materials and Products,” enabling export to multiple countries and regions.
Додатно, 8011 foil offers good corrosion resistance, showing no corrosive reactions when in contact with acidic or alkaline foods (Нпр., воће, Млечни производи, зачини), ensuring food safety and stability.
5.3 Good Mechanical Properties
Мада 8011 O temper 0.008mm foil is ultra-thin, its rational alloy design and process control provide good mechanical properties capable of meeting the operational demands of high-speed automatic packaging lines. Specific characteristics are shown below:
| Имовина | Карактеристично | Специфични индикатор (О темперамент) | Application Advantage |
|---|---|---|---|
| Затезна чврстоћа | Стабилно, resistant to breakage | 70-90МПа | Adapts to high-speed packaging, preventing web breaks. |
| Издужење | Високо, добра пластичност | ≥30% | Adapts to folding, дубоко цртање, итд. |
| Отпорност на пробијање | Добро, resistant to damage | ≥1.2N | Withstands punctures from food particles/sharp impurities. |
| Флексибилност | Одлично, фине текстуре | No creases/cracks after 180° bending | Conforms to food shape, enhancing packaging aesthetics. |
Its good mechanical properties enable 8011 8-micron foil to adapt to high-speed automatic packaging lines (speeds up to 300-500 packs/minute) without issues like jamming, гужвање, or breaking, effectively improving packaging efficiency. Истовремено, it withstands certain external impacts during transportation and storage, preventing package damage and protecting food integrity.
5.4 Good Thermal Stability
Food packaging often involves processes like heat sealing, узвраћајући, печење, and freezing, requiring materials to maintain stable performance under high and low temperatures without deformation, оштећења, или миграције штетних материја. 8011 O temper foil exhibits excellent thermal stability:
- Отпорност на високе температуре: Withstands temperatures up to 200°C, suitable for retort packaging (121°C high-pressure retorting) and baking packaging (180°C baking) without deformation, топљење, or harmful substance release.
- Low-Temperature Resistance: Withstands temperatures down to -40°C, suitable for frozen food packaging (Нпр., кнедле, смрзнуто месо) а да не постане ломљив или пуца, maintaining good flexibility and barrier properties.
- Good Heat Sealing Performance: When laminated with heat-sealable substrates like PE or CPP, heat seal strength is ≥1.5N/15mm, with a wide sealing temperature range (120-160° Ц), adapting to different sealing processes to ensure airtight packages.
Thanks to its good thermal stability, 8011 8-micron foil is widely applicable in retorting, печење, смрзавање, and other food packaging scenarios, meeting diverse food packaging and processing needs.
6. Main Application Areas of 8011 O Temper 0.008mm Aluminum Foil
Са својим одличним свеобухватним перформансама, 8011 O temper 0.008mm foil is widely used across multiple segments of the food packaging industry, including flexible packaging, фолија за домаћинство, container/closure foil, and vacuum/retort packaging, making it an indispensable core material in modern food packaging.
6.1 Flexible Food Packaging
Flexible food packaging is the primary application area, обрачун за преко 60% of total consumption. It is widely used in snacks, Млечни производи, grain/oil foods, посланичар, and chocolate. Its core advantages are lightweight, висока својства баријере, and easy processing, effectively extending shelf life and enhancing packaging quality.
Common applications include:
- Паковање за храну за грицкалице: Чипс, кексе, ораси, напухана храна, итд. Aluminum foil laminates effectively block oxygen and light, спречавање оксидације, апсорпција влаге, и губитак укуса.
- Паковање млечних производа: Млеко у праху, јогурт, сира, итд. Aluminum foil laminates provide high barrier protection and freshness, preventing milk powder caking and preserving yogurt flavor and nutrition.
- Grain & Oil Food Packaging: Edible oil, зачини, сушена роба, итд. Aluminum foil laminates block oxygen and water vapor, preventing oil oxidation and dried goods spoilage.
- Кондиторски производи & Чоколадно паковање: Aluminum foil laminates or individual wraps provide light shielding and aroma retention, preventing melting and moisture absorption while enhancing aesthetics.
У флексибилном паковању, 8011 8-micron foil is typically laminated with other substrates. Common structures and features are shown below:
| Композитна структура | Карактеристике | Сценарији апликација |
|---|---|---|
| ПЕТ/АЛ/ПЕ | Висока баријера, висока чврстоћа, easy heat sealing, high gloss surface. | Чипс, кексе, ораси, итд. |
| БОПП/АЛ/ПЕ | Ниска цена, добра баријера, strong printability. | Обичне грицкалице, grain/oil foods. |
| ПЕТ/АЛ/ЦПП | Retort-resistant, висока баријера, добро заптивање. | Retorted foods, месо, производи од соје. |
| ПЕТ/АЛ/ПЕТ/ПЕ | Висока чврстоћа, висока баријера, отпоран на хабање, suitable for premium packaging. | Premium chocolate, млеко у праху, здравствени производи. |
6.2 Алуминијумска фолија за домаћинство
8011 O temper 0.008mm foil is also a key variety for household use, mainly for grilling, печење, food preservation, and wrapping in home kitchens. Its core advantages are good flexibility, брза проводљивост топлоте, лако формирање, and convenient use.
Specific applications and characteristics:
- Роштиљ: Wrap meat, поврће, итд., to prevent charring and moisture loss while locking in flavor for tender results.
- Печење: Line baking trays to prevent sticking and facilitate cleaning, reducing post-baking workload.
- Очување: Wrap leftovers, воће, поврће, итд., to block oxygen and water vapor, спречавање оксидације, апсорпција влаге, и кварење.
- Фоод Враппинг: Wrap sandwiches, rice balls, sushi, итд., for portability and preventing odor transfer or leakage.
Домаћинство 8011 8-micron foil is typically supplied in rolls or sheets, featuring a clean surface and soft texture, easily cut to size for daily family use.
6.3 Container Foil and Lidding Foil
8011 O temper 0.008mm foil is also widely used in container and lidding foil applications, primarily for sealing food containers. Core requirements include good heat sealing performance, stable stamping performance, and low pinhole rates to ensure reliable sealing and prevent leakage/contamination.
Уобичајене апликације:
- Yogurt Lidding Film: Seals yogurt cups, requiring good heat sealing and easy peelability for consumer convenience.
- Milk Tea/Beverage Sealing: Seals milk tea or juice cups, preventing leakage and providing barrier properties against oxidation and flavor loss.
- Lunch Box Lids: Seals disposable lunch boxes and food storage containers, blocking oxygen and moisture to prevent food spoilage during transport/storage.
- Beverage Sealing Foil: Seals bottled drinks and canned goods, ensuring airtightness and preventing leakage/contamination.
Container and lidding foils demand high quality: pinholes ≤2 holes/m², heat seal strength ≥1.8N/15mm, and good stamping performance without cracking or edge defects.
6.4 Vacuum and Retort Packaging
Vacuum and retort packaging are crucial for extending food shelf life. 8011 O temper 0.008mm foil, with its excellent barrier properties and thermal stability, is a core material for such packaging, widely used for meat products, припремљена јела, готова јела, and military rations.
Core functions in vacuum/retort packaging:
- Prevent Oxidation: After vacuum packaging, the foil effectively blocks external oxygen, спречавање оксидације и продужење рока трајања (typically to 6-12 месеци).
- Prevent Spoilage: Blocks microbial invasion (бактерије, калуп) and prevents moisture absorption/odor transfer, ensuring food safety and stability.
- Withstand High-Temperature Retorting: During 121°C high-pressure retorting, the foil maintains stable performance without deformation, лом, или миграције штетних материја, обезбеђивање безбедности хране.
Common applications include vacuum-packed cured meats, кобасице, говеђе месо, and retort pouches for prepared meals, instant rice, and military compressed foods. 8011 foil significantly enhances the shelf life, сигурност, and transportability of these products.
7. Comparison with Other Food Packaging Aluminum Foils
Осим тога 8011, легуре попут 1235 и 8021 are also common. Differences in performance and cost lead to varied suitable applications. The following detailed comparison assists food packaging enterprises in material selection.
| Цомпарисон Итем | 8011 Алуминијумска фолија | 1235 Алуминијумска фолија | 8021 Алуминијумска фолија |
|---|---|---|---|
| Снага | Виши (Tensile Strength 70-90MPa) | Ниже (Tensile Strength 50-70MPa) | Супериорнији (Adapts to fine processing) |
| Pinhole Performance | Одлично (≤3 рупе/м²) | Просек (≤5 holes/m²) | Изузетно (≤1 рупа/м²) |
| Packaging Adaptability | Broader (Folding, дубоко цртање, узвраћајући, итд.) | Обичне (Mainly simple packaging) | Одлично (Complex folding, дубоко цртање) |
| Композитне перформансе | More Stable (Composite strength ≥1.5N/15mm) | Просек (Composite strength ≥1.2N/15mm) | Супериорнији (Higher fit) |
| Трошак | Средње (5%-10% виши од 1235) | Ниже | Виши (Premium alloy) |
| Application Range | Општа амбалажа за храну (грицкалице, сушена роба, итд.) | Ordinary packaging, emphasis on pharmaceutical foil & fine food packaging | Врхунска амбалажа, emphasis on pharmaceutical foil & fine food packaging |
Резиме: 8011 foil’s comprehensive performance is far superior to 1235, making it more suitable for mid-to-high-end food packaging with higher performance requirements (Нпр., дуг рок трајања, high oil, лака оксидација). 1235 foil is lower cost, suitable for ordinary food packaging with less demanding performance requirements.
8. Industry Development Trends and Conclusion
8.1 Трендови развоја индустрије
As the global food packaging industry evolves towards high barrier properties, лаган, and eco-friendliness, потражња за 8011 O temper 0.008mm foil will continue to rise. Three major trends emerge: Прво, ultra-thinning upgrades, pushing towards 6-7 micron specifications for further lightweight and cost reduction. Друго, high-end composite structures, combining aluminum foil with PET, БОПП, and biodegradable materials to develop functional high-barrier composites. Треће, green environmental protection, leveraging the recyclability and reusability of aluminum foil to align with global low-carbon packaging trends and promote circular economy practices.
8.2 Закључак
8011 O temper 0.008mm food packaging aluminum foil has become a core material in the modern flexible packaging industry due to its excellent barrier properties, добра флексибилност, stable processing performance, outstanding food safety performance, and high cost-effectiveness. It is widely used in flexible packaging, фолија за домаћинство, container/lidding foil, and vacuum/retort packaging.
Compared to other alloys like 1235 и 8021, 8011 foil demonstrates significant advantages in versatility and cost-effectiveness, meeting the core needs of the vast majority of food packaging applications. With increasing industry demands for performance and environmental protection, тржишну потражњу за 8011 ultra-thin food packaging foil will continue to grow, promising broader application prospects.
9. Често постављана питања (ФАК)
- П: What food packaging scenarios is 8011 aluminum foil most suitable for?
- А: It is suitable for the vast majority of scenarios, especially long-shelf-life, високо уље, easily oxidized foods, and high-speed packaging lines.
- П: Које су основне разлике између 8011, 1235, и 8021 Алуминијумске фолије?
- А: 8011 offers high cost-effectiveness and strong versatility; 1235 has lower costs; 8021 targets high-end, fine packaging applications.
- П: Може 8011 aluminum foil come into direct contact with food?
- А:Да, it complies with food-grade standards and does not leach harmful substances.
