Flexible intermediate bulk container (FIBC) liners, which you may have heard called bulk bag liners or 3D Barrier Bags, are a flexible packaging solution that is lightweight, flexible and easy to seal for storing and transporting dry or granule products. Bulk bags are generally made from thick woven material such as polypropylene, which does not offer complete protection against moisture, oxygen or UV lighting, essential for some industries to protect the bag contents.
Barrier bags are made from high barrier foil, a bonded foil manufactured from 3-4 layers of different materials, adhesives or extruded polyethylene. One of which is a layer of aluminium foil known to have the lowest transmission rate of any known flexible material. Therefore, a big bag FIBC liner made from high barrier foil is a perfect choice and essential to provide element and ingress protection that standard bulk bags cannot give to dry goods, powders, and granules.
FIBC Barrier Foil Liner Properties
- Considerable cost savings
- Improved packed product quality
- Protects against moisture, Oxygen, UV, Odor, climate, chemicals, mould, fungus, oil and grease.
- Food contact approved
- Military and static dissipative grades are available
- Flexible filling
- Extended product life
- Outer packaging cleanliness
- Standard disposal
Various industries currently choose 3D barrier bags as the perfect flexible packaging solution to protect vulnerable dry goods, so let’s look at why.
FIBC liners enable sensitive food products to be stored and transported protected from external elements. Bulk foods that are susceptible to oxidization when exposed to oxygen, including nuts, yeast, seeds and granule or powder products, require special protection that the aluminium barrier foil FIBC liners offer. Food grade bulk bag liners are easy to fill and discharge with top and bottom spouts to ensure safe filling and discharge. They protect the contents from moisture and oxygen for extended periods. Such liners are perfect for Nitrogen or Argon gas flushing to replace the oxygen inside the liner to ensure products remain fresh for the end-user.
Plastic is undoubtedly part of our daily lives, but manufacturers must store and keep polymers and resins protected from moisture long before consumers see the finished products. Hygroscopic polymers attract and absorb air moisture, which causes molecular and structural damage. Using barrier foil FIBC liners protect the dry goods from damaging moisture and external elements to ensure that they are in good condition when needed and can be transported through changing climates without issue. Spouted bags enable easy filling and discharge for ease of use.
The strength offered by aluminium barrier foil FIBC liners makes them perfect for protecting valuable granules and powders for the pharmaceutical industry. When transported in standard FIBC liners, products are often spilt and escape through seams and stitching, causing product loss. Chemicals and powders that are volatile when exposed to moisture, temperature change or oxygen or where spillage and product escape are a consideration. Many pharmaceutical companies realize the benefit of sealed and protective flexible packaging aluminium barrier foil to ensure product integrity and remove the worry of contents escaping.
To sum up
Aluminium barrier foil protective FIBC liners are changing the way many industries handle their products. Bulk bags have for some time been available, but they have limitations for dry or environmentally sensitive products. These highly versatile protective packaging options have solved the challenge of operating economically and yet provide the required protection, reducing waste and avoiding multiple unwieldy packaging and filling operations.
They are highly flexible and adaptable with spouted, easy fill, easy discharge and easy sealing options to suit any manufacturer’s process. They offer a highly cost-effective solution that protects contents from moisture, vapor, odor, UV and temperature extremes without requiring modified storage or transport. Exceptional strength and sealing remove worry and damage costs associated with spills or contamination throughout the product lifecycle wherever it is stored or transported.
Founder Dinis Guarda
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