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Vacuum-sealed Seafood Packaging Disposable Heat-sealed Food Packaging Bags for Cooked Food

Product Name: Triangular Sealed Vacuum Packaging Bag
Product Specifications: 23*28 centimeters
Product Thickness: 0.08 millimeters
Product Printing Colors: 8 colors
Product Usage: For food packaging, seafood product packaging;
Advantages: Vacuum packaging, keeps food fresh
Availability:
Quantity:
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  • 2024072607

I. Product Positioning and Core Value

This product is positioned as a food-grade high-barrier vacuum packaging bag, specifically designed for seafood and ready-to-eat foods. It not only provides excellent sealing performance but also maintains stable physical properties in various environments, including cold chain transportation, high-temperature sterilization, and frozen storage. For food processing plants, restaurant chains, supermarkets, and e-commerce sellers, these packaging bags can significantly extend food shelf life, reduce spoilage, improve transportation efficiency, and enhance consumer trust in the product.

In today's increasingly competitive food industry, transparent, aesthetically pleasing, hygienic, and safe packaging directly influences consumer purchasing decisions. This product uses high-transparency materials, making the food clearly visible, which helps improve product display and enhance visual appeal.

II. Material Structure and Performance Characteristics

To meet the high standards of food packaging, this product uses multi-layer composite food-grade materials. Common structures include PA/PE, PET/PE, and EVOH high-barrier composite structures. Different material combinations have different performance advantages, but all share the following common characteristics:


First, the packaging bag has high transparency. Transparent materials allow consumers to directly see the color and quality of the food, especially suitable for seafood, ready-to-eat foods, and marinated products that require high visual appeal. Transparent packaging not only enhances the visual appeal of the product but also increases consumer trust.

Secondly, the packaging bag has high toughness and puncture resistance. Seafood often has sharp shells or spines, and ready-to-eat foods may contain bones, so the packaging bag must have sufficient puncture resistance to prevent bag breakage and leakage during transportation. The multi-layer composite structure effectively improves the strength of the bag, ensuring its integrity during freezing, handling, and compression.

In addition, the high barrier performance of the packaging bag is one of its core advantages. Barrier materials such as EVOH effectively block oxygen, water vapor, and odors, slowing down the food oxidation process and inhibiting bacterial growth, thereby significantly extending the shelf life of the food. For seafood and ready-to-eat foods, barrier performance directly relates to the freshness and flavor preservation of the food.

Finally, the packaging bag uses food-grade safe materials, which are non-toxic, odorless, BPA-free, and comply with food contact material standards, ensuring that the food is not contaminated during storage and transportation.

 III. Application Value of Vacuum Sealing and Heat Sealing Processes

Vacuum sealing technology is one of the core processes of this product. By using vacuum equipment to remove air from the packaging bag, oxidation reactions can be effectively reduced, bacterial growth can be inhibited, and the original color and taste of the food can be maintained. For seafood, vacuum packaging reduces the leakage of fishy odors and prevents cross-contamination; for cooked foods, vacuum packaging maintains the tenderness and flavor of the meat.

Heat sealing technology ensures a secure and reliable seal for the packaging bag. Heating and melting the bag opening with a heat sealing machine creates a tight seal, effectively preventing leakage of liquids and oils. For foods containing liquids such as braised dishes, cooked meats, and ready-to-eat meals, the heat sealing process is particularly important, ensuring food hygiene and safety, and improving stability during transportation.

The combination of vacuum sealing and heat sealing processes allows this product to be suitable for freezing, refrigeration, pasteurization, and even some high-temperature cooking environments, meeting the diverse needs of the food processing industry.

IV. Product Functions and Advantages

This product demonstrates several significant advantages in practical applications. First, it has strong leak-proof performance. Whether it's braised dishes with broth or cooked meats rich in oil, the packaging bag maintains excellent sealing, preventing leakage and contamination of other foods or packaging.

Secondly, it extends shelf life. The combination of vacuum sealing and high-barrier materials significantly extends the shelf life of food, reducing food waste and increasing business profits.

V. The Important Role of the Product in the Food Supply Chain

The food supply chain, from raw material procurement, processing, packaging, transportation, and storage to final sales, places different demands on packaging materials at each stage. Seafood and cooked foods, in particular, are prone to spoilage, oxidation, bacterial growth, and leakage, thus requiring higher demands on the sealing, barrier properties, temperature resistance, and safety of the packaging bags.

1. Preservation and Extended Shelf Life

Seafood and cooked foods often have a short shelf life, especially at room temperature. Vacuum packaging reduces the oxygen content by removing air from the bag, thereby inhibiting bacterial growth and slowing down the food oxidation process. For seafood, vacuum packaging effectively preserves its texture and freshness; for cooked foods, it maintains the juiciness and flavor of the meat, keeping the food edible for a longer period.

2. Improved Transportation Efficiency and Safety

During cold chain transportation, food may be subjected to squeezing, collisions, and stacking. If the packaging bags are not strong enough, problems such as bag breakage, leakage, and contamination can easily occur. Multi-layer composite vacuum packaging bags have good puncture resistance and compression resistance, maintaining stability during transportation and reducing losses.

In addition, vacuum packaging reduces food volume, allowing for more efficient use of transportation space and thus lowering logistics costs.

3. Prevention of Cross-Contamination

Seafood often has a fishy smell, and cooked foods may contain grease and juices. If the packaging is not airtight, it can easily lead to odor leakage or liquid seepage, contaminating other foods or packaging materials. Vacuum sealing and heat sealing processes effectively prevent this problem, ensuring that food remains separate, hygienic, and safe during transportation and storage.

4. Enhanced Retail Display Effect

Transparent packaging bags allow consumers to directly see the appearance and quality of the food, which is especially important for seafood, cooked foods, and marinated products. Highly transparent packaging bags not only enhance the visual appeal of the product but also increase consumer confidence.

VI. Temperature Resistance and Applicable Environment of Packaging Bags

The temperature resistance of food packaging bags directly affects their scope of application. This product, based on different material combinations, can adapt to various temperature environments, including:

1. Freezing Environment (-20°C to -40°C)

Seafood and prepared meals often require frozen storage. The packaging bags must remain flexible at low temperatures and not become brittle. The PA/PE structure has good low-temperature resistance and is suitable for long-term storage of frozen foods.

2. Refrigerated Environment (0°C to 10°C)

When cooked foods, marinated products, and ready-to-eat foods are stored in a refrigerated environment, the packaging bags need to have good barrier properties and sealing to prevent the food from absorbing refrigerator odors or moisture. 

3. Pasteurization Environment (70°C to 90°C)

Some cooked foods and ready-to-eat meals require pasteurization to extend their shelf life. The PET/PE structure can withstand this temperature range, ensuring the bag remains undeformed and intact.

4. High-Temperature Cooking Environment (100°C to 121°C)

For foods requiring high-temperature sterilization, such as some ready-to-eat meals or vacuum-packed cooked foods, high-temperature resistant cooking bags can be used. These bags utilize a special composite structure that can withstand high temperatures and pressures.

5. Heat Sealing Environment (120°C to 180°C)

The heat sealing process requires the packaging bag to melt quickly at high temperatures and form a strong seal. The PE layer has excellent heat sealing properties, allowing for quick sealing and making it suitable for automated packaging production lines.

VII. Leak-Proof and Damage-Resistant Design of Packaging Bags

Seafood and cooked foods often contain a large amount of liquid or oil, so the leak-proof performance of the packaging bag is crucial. This product focuses on the following aspects in its design:

1. Multi-layer Composite Structure Enhances Bag Strength

The multi-layer structure not only improves the tensile strength of the bag but also enhances its puncture resistance, allowing it to withstand the pressure of sharp objects such as seafood shells and bones.

2. Thickened Heat Seal Edge Design

The wider the sealing edge, the stronger the seal. The thickened sealing edge effectively prevents cracking at the seal, especially suitable for foods containing liquids.

3. Anti-Burst Edge Technology

During high-temperature sterilization or transportation under pressure, the bag may be subjected to considerable pressure. The anti-burst edge design disperses the pressure, preventing the bag from suddenly bursting.

4. Oil and Liquid Leakage Prevention Structure

The inner PE material has excellent anti-permeation properties, effectively blocking oil and liquids, ensuring the bag remains clean and tidy during long-term storage.

VIII. Transparent Display Effect and Enhanced Brand Value

In the retail industry, transparent packaging bags have an irreplaceable display advantage. When purchasing food, consumers often want to see the actual appearance of the food to judge its freshness and quality. Transparent packaging bags can meet this need, making the food more attractive on the shelves.

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Guangdong Min Sun Evironmental Protection Packaging Technology Co.,Ltd. has been rooted in Dongguan, Guangdong Province, China, with beautiful scenery and prosperous economy since 2010. It is like a brilliant green pearl, shining brightly in the field of packaging technology.

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