What is a black embossed vacuum bag?

Embossed vacuum bags are the top-tier solution to preserve your products!

Black embossed vacuum bags are designed with a black embossed back and a clear front. These bags are crafted from a 7-layer co-extruded material, combining nylon, PE, and black masterbatch. The unique composition effectively blocks light, ensuring maximum freshness and long-term storage.

This article will provide more professional information about black embossed vacuum bags.

UV radiation speeds up food oxidation.Black co-extruded vacuum bags, using masterbatch technology, shield light effectively. Their multi-layer design resists oxygen, moisture and punctures.These bags suit light-sensitive foods, especially meats.With a 20,000-unit minimum order and Halal certification, they serve Islamic – market businesses.Going forward, they’ll integrate antioxidant coatings and biodegradable tech. For light-sensitive food producers and meat wholesalers, these bags boost preservation and brand competitiveness.

Company Advantages

What is the light-shielding principle of the 7-layer co-extruded black embossed bag?

The masterbatch technology.

The 7-layer co-extruded black embossed bag utilizes the co-extrusion technology to form a powerful packaging system by integrating seven layers of materials with different functions in one step. In this system, the black masterbatch added to one layer plays a crucial role in light shielding. As a carrier resin with a high concentration of pigments or dyes, the masterbatch is evenly distributed within the packaging material through the co-extrusion process, giving the bag a deep black appearance and effectively achieving all-round light-shielding. Its light-shielding mechanism mainly includes the following three aspects:

7-layer co-extruded black embossed bag

Full-spectrum Blocking

The black masterbatch can absorb almost all visible light and UV rays of various wavelengths, reducing light penetration and preventing the photooxidation reaction of food caused by light exposure.

Multi-layer Co-extrusion Structure

The black co-extruded bag usually adopts a multi-layer composite process (such as PA/PE/EVOH, etc.). The black layer is located in the middle or inner layer, which not only ensures the light-shielding property but also maintains the strength and barrier performance of the material.

Strong Stability

High-quality masterbatch has excellent resistance to high temperatures and migration. It will not release harmful substances during the processing or use, meeting the food-grade safety standards.

Which foods need a black co-extruded vacuum bag?

Nuts (such as walnuts, cashews, almonds): Light exposure will accelerate the oxidation of unsaturated fatty acids in nuts, leading to a rancid smell.

Coffee beans/powder: Ultraviolet rays will destroy the aromatic substances in coffee, deteriorating its flavor.

Milk powder and dairy products: Light exposure easily triggers the decomposition of vitamins and the oxidation of fats.

Spices and traditional Chinese medicinal materials: Light-sensitive components (such as volatile oils) are more stable in a light-shielded environment.

Meat products:

Fresh meat: Light shielding can inhibit the oxidation of surface fats and delay color change.

Processed meat products (such as sausages, cured meats, etc.): Prevent the acidification of fats and fading caused by light exposure.

Frozen meat: Reduce the phenomenon of freezer burn caused by light exposure.

Halal meat: Comply with Halal certification to meet the packaging requirements of Islamic food.

Why Choose Wellfapack?

The black co-extruded vacuum bags provided by our company also have the following characteristics:

• High Barrier Property: The multi-layer structure effectively isolates oxygen and water vapor, extending the shelf life of food.
• Strong Puncture Resistance: It is suitable for packaging foods with sharp edges (such as nut shells).
• Aesthetics and Privacy: The black appearance enhances the grade of the product. At the same time, it hides the contents, avoiding concerns about product quality caused by light transmission.
• Flexible Customization: We support orders starting from 20,000 pieces, meeting the needs of customers of different scales and reducing the procurement threshold for small and medium-sized enterprises.
• International Certification Guarantee: Holding the Halal certification, it complies with the packaging standards for Islamic food, helping enterprises expand into the Middle East and Southeast Asian markets.

Future Trends:

Upgrades of Intelligent Light-shielding Packaging

Future Trends: Upgrades of Intelligent Light-shielding Packaging

With the advancement of food packaging technology, black co-extruded vacuum bags are evolving towards the direction of functional compounding. For example:

Combining with antioxidant coatings to further enhance the preservation effect.

Developing degradable black masterbatches to meet environmental protection requirements.

If you’re looking for reliable co-extruded black embossed bag solutions, Contate-nos today! We are happy to provide product catalogs and free samples so you can experience the quality of our bags firsthand. Let us help you find the best packaging solution for your needs!