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China Poly Woven Dunnage Air Bags - Durable, Waterproof Shipping Solutions from Reliable Suppliers & Factory

What is a Dunnage Bag?
Dunnage bags are essential inflatable bags designed to fill voids and empty spaces in shipping containers, trucks, or railcars. As a leading supplier, our dunnage bags are manufactured in our factory using quality industrial poly woven materials made of durable polypropylene. These bags resist damage from punctures and chemicals, ensuring they are waterproof and perfect for stabilizing heavy loads during open railcar shipments. Available in various sizes and strengths, our dunnage bags provide reliable transit protection for a wide range of products, including both light and heavy loads. Moreover, they are reusable up to four times for light over-the-road shipments, making them a cost-effective solution for shipping needs. Choose our China factory for high-quality dunnage bags that meet all your shipping requirements.

    Composition of Poly Woven Dunnage Bag

    Poly woven dunnage bags are made from a durable polywoven dunnage material that is naturally moisture resistant.
    The outer bag of polywoven dunnage bag is made poly woven, which is tough and firm. The inner bag is made of 9 layers arched nylon film mainly composed of PA (nylon film).
    It has a very large effect on reducing logistics costs, increasing loading and unloading speed, and loading efficiency.
    It is also a new environmentally friendly substitute for raw wood or styrofoam in international cargo transportation.
    poly woven dunnage bag character

    Inflation Tools to Inflate Dunnage Bag

    Air compressor + Trachea and connector + Inflation Air Gun (1cm small air gun or 3cm storm air gun)
    dunnge bag inflation tool

    How to Use Storm Air Gun to Inflate the Dunnage Bag?

    3cm dunnage bag inflation air gun use

    The Relationship Between Cargo Spaces and Dunnage Bag

    Model Specification W*L (mm) Width Of Fill (mm) Use Of Height (mm) Service Failure Pressure (bar)
    AL0510 500*1000 250 900 0.2-1
    AL0515 500*1500 250 1400 0.2-1
    AL0612 600*1200 300 1100 0.2-1
    AL0812 800*1500 350 1100 0.2-1
    AL0816 800*1600 350 1500 0.2-1
    AL0818 800*1800 350 1700 0.2-1
    AL0912 900*1200 400 1100 0.2-1
    AL0918 900*1800 400 1700 0.2-1
    AL1010 1000*1000 450 900 0.2-1
    AL1012 1000*1200 450 1100 0.2-1
    AL1016 1000*1600 450 1500 0.2-1
    AL1018 1000*1800 450 1700 0.2-1
    AL1020 1000*2000 450 1900 0.2-1
    AL1022 1000*2200 450 2100 0.2-1
    AL1024 1000*2400 450 2300 0.2-1
    AL1218 1200*1800 500 1700 0.2-1
    AL1220 1200*2000 500 1900 0.2-1
    AL1222 1200*2200 500 2100 0.2-1
    AL1224 1200*2400 500 2300 0.2-1
    AL1520 1500*2000 800 1900 0.2-1
    AL1522 1500*2200 800 2100 0.2-1
    AL1524 1500*2400 800 2300 0.2-1

    What Industries can Dunnage Bag be Used in?

    Dunnage bags are placed between cargo items and inflated once in position to provide stability and support, effectively immobilising the products and reducing the risk of damage during transit. They are available in various sizes and configurations to suit the diverse needs of various clients.
    poly woven dunnage bag application

    Frequently Asked Questions (FAQ)

    Q What materials are poly woven dunnage bags made of?
    Poly woven dunnage bags consist of a tough, moisture-resistant polywoven outer bag for physical strength and an inner bag made of a 9-layer arched nylon film (primarily PA) to ensure excellent air retention.
    Q What inflation tools are required to use these bags?
    You will need an air compressor, a trachea with a proper connector, and an inflation air gun. Depending on your needs, you can use a 1cm small air gun or a 3cm storm air gun.
    Q How do dunnage bags help reduce overall shipping costs?
    They significantly reduce logistics costs by increasing loading and unloading speeds, improving space utilization, and serving as a lighter, eco-friendly alternative to heavy raw wood or styrofoam.
    Q How do I select the right size of dunnage bag for my cargo?
    Selection depends on your cargo space gaps. You can refer to our specifications table, which outlines the model dimensions, the corresponding width of fill, and the use of height to find the perfect fit.
    Q What is the service failure pressure range for these bags?
    The standard service failure pressure for our poly woven dunnage bags ranges between 0.2 to 1 bar, providing reliable stability under normal transit conditions.

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