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Wholesale High-Barrier EVOH Surface Protective Film for Packaging Manufacturers

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High-Barrier EVOH Surface Protective Film for Packaging
  • High-Barrier EVOH Surface Protective Film for Packaging
  • High-Barrier EVOH Surface Protective Film for Packaging
  • High-Barrier EVOH Surface Protective Film for Packaging

High-Barrier EVOH Surface Protective Film for Packaging

The High-Barrier EVOH Surface Protective Film is a sophisticated, multi-layer co-extruded material engineered to meet the rigorous demands of industrial and commercial surface protection. By strategically combining layers of PA, PE, PP, TIE, and EVOH, this film provides a comprehensive barrier system against oxygen, moisture, chemical corrosion, and mechanical impacts, ensuring that sensitive surfaces remain pristine throughout processing, logistics, and final use.

Engineered for high performance across diverse sectors—including electronics, automotive manufacturing, and home appliances—this material leverages EVOH for superior gas-barrier properties and PA/PP for exceptional mechanical strength and chemical stability. The inclusion of an advanced TIE adhesive layer guarantees structural integrity, preventing delamination while facilitating clean, reliable application across complex, high-stress environments.

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Technical Features and Performance Capabilities

Core Material Advantages

  • EVOH Barrier Layer: Provides industry-leading gas resistance, effectively blocking oxygen and volatile compounds.
  • High-Strength PA: Enhances mechanical durability, wear resistance, and heat tolerance.
  • Antistatic PP: Offers clarity and gloss while preventing static-induced damage to electronic components.
  • TIE Adhesive: Ensures seamless inter-layer bonding and structural stability under extreme conditions.

Industrial Application Performance

  • Surface Preservation: Protects against dust, chemical splashes, and abrasive contact during manufacturing.
  • Logistics Reliability: Maintains a secure, consistent protective seal during long-distance transportation.
  • Processing Ease: Engineered for consistent adhesion and smooth peeling, reducing labor-intensive removal steps.

Comparative Material Performance

Performance Metric High-Barrier EVOH Film Standard Monolayer PE Standard PVC Protective Film
Gas Barrier (O2/CO2) Excellent Low Moderate
Heat Resistance High (PA/PP base) Low Moderate
Wear/Abrasion Resistance Superior Moderate Low

Frequently Asked Questions

Q1: How does the EVOH layer contribute to surface protection?

The EVOH layer acts as a critical barrier against gas and moisture, preventing oxidative corrosion or surface discoloration on sensitive materials like high-grade metals or advanced electronics during storage and transit.

Q2: Is the film suitable for automated production lines?

Yes. The multi-layer structure is engineered for high-speed application and consistent peeling force, making it highly compatible with automated thermoforming and lamination machinery in manufacturing environments.

Q3: What specific materials does this protective film work best on?

This film is ideal for polished metals, treated plastics, and high-gloss finishes used in automotive panels, home appliances, and electronic casings that require high-performance surface integrity.

Q4: Does the TIE layer affect the film's transparency?

No. The TIE layer is formulated to ensure high compatibility and optical clarity, maintaining the film’s transparency while maximizing the bonding strength between the incompatible PE, PA, and EVOH layers.

Q5: Can this material handle high-temperature processing environments?

With the incorporation of high-strength PA and PP, the film offers excellent heat resistance compared to standard PE films, allowing it to maintain its protective barrier during high-temperature manufacturing processes.

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Changxi Packaging Technology (Yixing) Co., Ltd

About Us

Changxi Packaging Technology (Yixing) Co., Ltd is China Wholesale High-Barrier EVOH Surface Protective Film for Packaging Manufacturers and High-Barrier EVOH Surface Protective Film for Packaging Suppliers integrating R&D, production, sales, and services. Since its establishment in 2014, the company has adhered to the principles of technological innovation and excellence in quality, focusing on the R&D and production of multi-layer co-extruded high-barrier films and functional packaging materials.
The company is equipped with advanced production equipment and fully enclosed, high-cleanliness production workshops, with an annual production capacity of up to 10,000 tons. It boasts four multi-layer co-extrusion blown film production lines, multiple high-speed slitting units, and fully automated bag-making production lines, ensuring the ability to meet the personalized needs of different customers. We offer High-Barrier EVOH Surface Protective Film for Packaging for sale.
The company has passed ISO 9001 quality management system certification, QS quality safety certification, and complies with U.S. FDA standards, ensuring product safety and reliability through a strict quality management system.

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High-Barrier EVOH Surface Protective Film for Packaging Industry knowledge

How does Changxi Packaging Technology ensure high cleanliness and product quality during the production process of Substrate Protective Film?

1. High cleanliness production environment
Fully enclosed production workshop:
Changxi Packaging Technology is equipped with a fully enclosed production workshop, which effectively isolates the entry of external dust, microorganisms and other pollution sources, providing a clean and sterile production environment for the production of substrate protective film.
Air purification system:
The production workshop is equipped with an efficient air purification system, which ensures that the air cleanliness in the workshop meets the industry's high standards through multi-stage filtration and purification. This helps to reduce the adhesion of dust particles during the production process, thereby improving the cleanliness of the product.
Regular cleaning and maintenance:
The company regularly cleans and maintains the production workshop, including cleaning of the floor, walls, equipment surfaces, etc., as well as maintenance and inspection of the air purification system to ensure the continuous cleanliness of the production environment.
2. Raw material quality control
Selected raw materials:
Changxi Packaging Technology pays attention to the selection of raw materials for Substrate Protective Film, and only selects raw materials that meet industry standards and company quality requirements. For the raw materials of the substrate protective film, such as PE, PET and other film materials, the company will conduct strict quality inspections to ensure that the quality of the raw materials is stable and reliable.
Raw material inspection and testing:
After the raw materials enter the company, they will undergo a series of inspections and tests, including appearance inspection, thickness measurement, corona value test, etc., to ensure that the raw materials meet the production requirements. At the same time, the company will also conduct sampling inspections on the raw materials to verify their long-term stability and durability.
3. Production process control
Advanced production equipment:
The company has introduced advanced production equipment, including multi-layer co-extrusion blown film production lines, high-speed slitting units, and fully automatic bag production lines. These equipment not only have high production efficiency, but also can accurately control various parameters in the production process, such as temperature, pressure, speed, etc., to ensure the quality and stability of the products.
Strict production process:
During the production process, the company has formulated strict production processes and operating procedures. Each step of the production process has clear standards and requirements, and workers must strictly follow the operating procedures. At the same time, the company has also set up multiple quality control points to monitor and test the production process in real time to ensure product quality.
Online monitoring and feedback: The production line is equipped with online monitoring equipment, such as thickness gauges, corona value testers, etc., which can monitor the quality parameters of products in real time. Once an abnormality is found, the system will immediately issue an alarm and feedback to the production department for timely adjustment and processing.
4. Quality Management System
ISO9001 Quality Management System Certification: Changxi Packaging Technology has passed the ISO9001 quality management system certification, which means that the company's quality management system has met international standards and has been recognized by authoritative organizations.
QS Quality and Safety Certification: The company has also passed the QS quality and safety certification, which is the national quality and safety requirements for food packaging materials. Passing this certification further proves the company's strength in product quality and safety.
Continuous Improvement and Optimization: Changxi Packaging Technology focuses on continuous improvement and optimization of the quality management system. The company regularly organizes internal and external audits to conduct comprehensive inspections and evaluations on the operation of the quality management system. At the same time, the company also encourages employees to put forward improvement opinions and suggestions to continuously improve and optimize the quality management system.
5. Product Inspection and Testing
Finished Product Inspection: After production is completed, the company will conduct strict inspection and testing on the finished product. This includes appearance inspection, performance testing, cleanliness testing and other aspects. Only products that meet the company's quality standards and customer requirements will be allowed to leave the factory.
Third-party testing:
In addition to internal testing, the company will also entrust a third-party testing agency to conduct sampling tests on the products. This helps to further verify the quality and performance of the product and ensure that it meets relevant standards and regulatory requirements.