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Waterproof Film Coated Non-woven Bag

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Waterproof Film Coated Non-woven Bag
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Waterproof film coated non-woven bags, also known as Moisture proof non-woven fabric covered bag or Moisture proof non-woven film coated bag, achieve efficient waterproofing through the triple properties of "waterproof+environmental protection+practicality", block liquid penetration, and protect the substrate environment. They balance practicality and sustainability, are lightweight and durable, suitable for multiple scenarios, and become an ideal choice to replace disposable waterproof plastic bags. They are especially suitable for scenarios with basic waterproof needs and focus on sustainability.
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Non Woven Laminated Bag
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Description

Product Details

 

Waterproof film coated non-woven bag is a functional non-woven bag made by uniformly covering a layer of waterproof film (such as PE, PVC or TPU film) on the surface of non-woven fabric. Its core advantage lies in the combination of "waterproof and moisture-proof+non-woven substrate characteristics". Widely used in waterproof scenarios such as rainy weather travel, food delivery, bathroom storage, outdoor picnics, etc.


Moisture proof non-woven film coated bags Moisture proof non-woven film coating bag coating film (usually 0.01-0.05mm thick) is tightly combined with non-woven fabric through hot melt or adhesive technology to form a continuous waterproof barrier, which can effectively block the penetration of rainwater, beverages, oil stains and other liquids. Even if the items inside the bag are damp, it can prevent liquid leakage and pollution of other items (such as wet umbrellas in rainy days, soup bowls in takeout, etc.).

 

The substrate is mostly polypropylene (PP) non-woven fabric (80-150g/㎡), which has the characteristics of recyclability and degradability; The coating film can be selected from environmentally friendly PE film (partially biodegradable) or TPU film (odorless, low temperature resistant), which can be reused more than 30 times.


Compared to traditional waterproof bags (such as plastic film bags), Moisture proof non-woven fabric covered bag its texture is firmer, less prone to wrinkles, and has stronger tear resistance (30% higher tensile strength than ordinary plastic bags); Lightweight (about 50-150g per bag), with a small volume when folded, making it easy to carry around (such as in a backpack for backup).

 

The surface of the coating film is smooth and can support various printing processes such as flexographic printing, silk screen printing, and digital printing. The pattern colors are bright and the details are clear, making it suitable for brand promotion, gift packaging, and other scenarios.

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Product Parameters

 

● Waterproof coating: Material: PE film (mainstream), TPU film (high-end), PVC film (economical);

● Thickness: 0.01-0.05mm; Coating method: single-sided coating (commonly used), double-sided coating (high waterproof requirement)
● Common sizes:
-Small (portable): 20 × 25 × 8cm;
-Medium size (shopping/storage): 30 × 40 × 10cm, 35 × 45 × 12cm;
-Large (outdoor): 40 × 50 × 15cm, 50 × 60 × 20cm

● Handle design:
-Material: Same material coated non-woven fabric, nylon rope
-Width: 1.5-3cm;
-Length: 25-40cm;
-Waterproof level: daily waterproof (splash proof, short-term rain proof), moderate waterproof (no penetration within 10 minutes of immersion)
-Load bearing range: 5-15kg (depending on the weight and size of the substrate, small bags weigh 5-8kg, large bags weigh 10-15kg)

 

FAQ

 

Q: How long can the waterproof effect of non-woven bags coated with waterproof film last?

A: Under normal use (avoiding frequent friction, high temperature exposure, or scratching with sharp objects), the waterproof coating can remain effective for 1-2 years; If the coating is partially damaged (such as being scratched), the damaged area will lose its waterproofness, but it will not affect the overall structural strength and can continue to be used as a regular cloth bag.

Q: Can we pack hot food? For example, freshly cooked buns or hot soup?

A: It is not recommended to directly store items with a temperature exceeding 60 ℃. PE coating may release odors or trace harmful substances at high temperatures, and high temperatures can accelerate coating aging; If you need to pack hot food, it is recommended to first cover it with a layer of food grade oil paper or heat-resistant container for isolation.

Q: How to determine whether the coating material is environmentally friendly?

A: Priority should be given to the combination of "PP non-woven fabric+PE film" or "PP non-woven fabric+TPU film", as these two coating materials have no odor and meet food contact standards (indirect contact); Avoid choosing PVC film coating (which may contain plasticizers and have poor environmental friendliness). You can identify it by checking the test report or smelling the odor (PVC film has a slight pungent smell).

Q: Can the bag be washed with water if it's dirty? Will it affect waterproofing?

A: It can be washed with water, but please note:

① Gently hand wash with cold or warm water to avoid machine washing (to prevent coating wear);

② Prohibit strong detergents or bleaching agents;

③ After washing, lay flat and dry to avoid direct sunlight exposure (high temperatures can cause coating cracking). Proper cleaning will not significantly affect waterproofing, but frequent scrubbing of the coating surface may reduce the waterproofing effect.

 

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