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How to use and precautions for anti-rust film bags
Publication Time:
2025-04-01 10:58
Rust preventive film bags are a new type of packaging material widely used in the packaging industry, specifically designed to prevent corrosion, oxidation, and contamination of industrial metal products during storage. The following is a detailed introduction to rust preventive film bags:
I. Main Components and Structure
Main Components ：The main component of rust preventive film bags is polyethylene (PE), with the addition of a new type of VCI (Vapor Corrosion Inhibitor) vapor phase rust inhibitor.
Structure ：Through a special film blowing process, the VCI vapor phase rust inhibitor is added to polyethylene polymer particles, and then made into a packaging bag, which becomes a VCI vapor phase rust preventive bag.
II. Rust Prevention Principle
When metal workpieces are packaged in rust preventive film bags, the film layer automatically emits VCI vapor phase rust preventive gas. These gases vaporize in the enclosed space and condense on all metal surfaces, including hard-to-reach holes and crevices, forming a vapor phase protective layer, thus effectively preventing rusting of metal workpieces.
III. Features and Advantages
Packaging and Protective Function ：It can seal the entire package, preventing contaminants from corroding the metal.
Isolation Function ：By using an interleaving structure, it supports and fixes metal items, preventing them from contacting acidic substances and other harmful substances, avoiding contact corrosion.
Long Rust Prevention Time ：The VC vapor phase corrosion inhibitor has a passivating and adsorption effect, and works together with LAC147H water-based rust inhibitor to form a relatively closed and safe environment, preventing the loss and diffusion of the VCI vapor phase rust inhibitor, achieving a rust prevention period of 3-6 months.
Wide Applicability ：Rust preventive film bags are suitable for the storage, transportation, and packaging of various industrial products, such as auto parts, machine tool accessories, bearings, pipes, and mechanical parts.
Easy to Use ：Simply place the metal products directly into the bag and seal it to easily protect the metal products.
Safe and Environmentally Friendly ：Compared with other rust prevention materials, the materials of rust preventive film bags are safer and more environmentally friendly.
Economical and Practical ：Using rust preventive film bags can reduce equipment damage and repair costs during production and transportation, reducing economic losses for enterprises.
Good Visibility ：Rust preventive film bags have high transparency, allowing easy observation of the status and quantity of items in the bag.
Customizable ：Rust preventive film bags can often be customized to customer requirements.
IV. Usage and Precautions
Usage ：
Place the metal items that need rust prevention into the rust preventive film bag.
Ensure that as much air as possible is removed from the rust preventive film bag, and then seal the bag opening.
For larger or irregularly shaped metal items, multiple rust preventive film bags or other packaging methods may be needed to ensure rust prevention effectiveness.
Precautions ：
After using the rust preventive film bag, check the seal of the bag to ensure that the bag is not damaged or leaking, to ensure that the rust preventive gas can form an effective protective environment in the bag.
Rust preventive film bags should be stored in a dry, cool, and well-ventilated place, avoiding direct sunlight and high temperatures.
Avoid contact with chemicals, oil stains, and other harmful substances.
Regularly inspect the metal items in the rust preventive film bag to ensure that they are not rusty or damaged.
Rust preventive film bags are disposable products and should not be reused.
Before using rust preventive film bags, ensure that the metal items are dry, clean, and free of oil stains.
Avoid applying excessive external force or sharp objects to the rust preventive film bag, to prevent damage to the bag and reduce the rust prevention effect.
V. Market Prospects
With increasing environmental awareness and continuous innovation in the packaging industry, rust preventive film bags have become an ideal packaging choice for various products. Their simple, easy-to-use, and environmentally friendly features can greatly extend the service life of metal products and reduce enterprise losses. Therefore, rust preventive film bags have broad market prospects.
In summary, rust preventive film bags, with their unique rust prevention principle, wide range of applications, and many advantages, play an important role in the packaging and protection of industrial metal products.
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