What is the role of EVOH in the film, and why is it considered a high barrier?EVOH, or Ethylene Vinyl Alcohol, plays a pivotal role in
EVOH High Barrier Shrink Film, contributing to its exceptional barrier properties and making it a preferred choice for various packaging applications.
1. Barrier Against Oxygen:
EVOH is renowned for its excellent barrier capabilities, particularly in blocking the penetration of oxygen. This property is crucial in preventing the oxidation of packaged goods, especially perishable food items. The presence of EVOH as a barrier layer helps maintain the freshness and quality of the products over an extended period.
2. Preservation of Freshness:
As a high barrier material, EVOH creates a protective shield that safeguards the packaged contents from external factors, such as air and moisture. This preservation aspect is vital for ensuring that the products inside the packaging remain fresh, flavorful, and visually appealing throughout their shelf life.
3. Anti-Fog Characteristics:
Ethylene Vinyl Alcohol High Barrier Shrink Film often exhibits anti-fog properties, preventing the formation of condensation on the film's surface. This feature is essential for maintaining clear visibility of the packaged products, even in situations where temperature variations might lead to moisture accumulation.
4. Extended Shelf Life:
The high barrier nature of EVOH contributes to extending the shelf life of packaged goods. By minimizing exposure to oxygen, which can accelerate the deterioration of certain products, EVOH High Barrier Shrink Film helps manufacturers and retailers deliver goods with prolonged freshness to consumers.
5. Versatility in Packaging:
EVOH's versatility allows it to be incorporated into multilayered, co-extruded films, providing a customizable solution for various packaging needs. This adaptability ensures that the film can be tailored to specific product requirements, making it suitable for a wide range of applications.
Can EVOH High Barrier Shrink Film be used for both chilled and frozen products?
1. Temperature Resistance:
One of the key attributes of
EVOH High Barrier Shrink Film is its ability to withstand a wide range of temperatures. This makes it suitable for packaging products that require refrigeration or freezing. The film's resilience ensures that it remains effective in various cold storage conditions without compromising its barrier properties.
2. Chilled Product Packaging:
For chilled products, such as fresh produce, dairy, or ready-to-eat meals, EVOH High Barrier Shrink Film acts as a protective barrier against external factors like oxygen and moisture. This helps in preserving the freshness of the products, extending their shelf life, and ensuring they reach consumers in optimal condition.
3. Frozen Product Packaging:
EVOH's high barrier properties are particularly beneficial for frozen products. The film creates a robust barrier that prevents the ingress of air, minimizing the risk of freezer burn and maintaining the texture and taste of frozen items. This is crucial for products like frozen meats, vegetables, and prepared frozen meals.
4. Shrink Properties in Cold Conditions:
The shrink properties of the film remain effective even in cold environments. When exposed to heat during the shrinking process, the film conforms tightly to the contours of the product, providing a secure and visually appealing package. This is advantageous for both chilled and frozen products, enhancing their presentation on store shelves.
5. Tamper-Evident Packaging:
Ethylene Vinyl Alcohol High Barrier Shrink Film offers an additional layer of security through its tamper-evident properties. This is valuable for ensuring the safety and integrity of chilled and frozen products, assuring consumers that the packaged items have not been compromised.
6. Adaptability to Various Products:
The adaptability of EVOH High Barrier Shrink Film to different product shapes and sizes makes it a versatile choice for a variety of chilled and frozen items. It can be customized to meet the specific packaging requirements of different food products, allowing for flexibility in the packaging process.
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