Every warehouse that handles bulk product materials such as chemicals or fertilisers, food grains, and construction aggregates uses the same type of material to do the heavy lifting - woven polypropylene. This isn’t by accident. Polypropylene Woven has become the industry standard globally across multiple industries and continents for polypropylene applications for the packaging of products in a bulk form.
What about the versatility of this material has allowed it to reach such a high level in the marketplace? To fully understand this, let’s first discuss what makes PP such a suitable material for bulk packaging applications.
What Makes Polypropylene Suitable for Industrial Use?
Before diving into specific polypropylene applications, it helps to understand why the material performs so well in demanding environments.
PP has a low density (0.895–0.92 g/cm³) compared to other commodity plastics, excellent chemical resistance to most acids, bases, and organic solvents, a melting point between 160 - 170 degrees Celsius, good fatigue resistance, compliance with UK and EU food contact material regulations, and excellent moisture barrier properties.
The lightweight nature of PP helps to save on shipping costs and improves ergonomics by having minimal weight, while its high durability protects it from external forces or impact. The chemical resistance of PP allows it to be in direct contact with many reactive substances and to provide long-term service as an industrial and household commercial product.
The properties associated with PP are not just good on paper; they have also demonstrated a true reliability in terms of the effectiveness of any products sold using PP packaging.
Key Polypropylene Applications in Industrial Packaging
1. FIBC Bulk Bags (Jumbo Bags)
This is the most significant of all PP industrial uses in the packaging world. It is most commonly found in packaging that needs to hold large loads (woven polypropylene)/bulk containers (bulk bags). The PP weave structure allows the bags to provide high weight-holding capacity yet maintain low weight as well.
At Valex Ventures, we use only certified PP in manufacturing every bulk bag, because of its inherent properties of durability, strength, and light weight, as well as its ability to be consistently produced in strict compliance with the requirements set forth for use in demanding industrial applications.
Need FIBC bags for your industry? Explore our full product range →
2. Food-Grade Packaging
Another popular use for polypropylene in packaging products is in the supply chain of the food and agriculture industry. Most food packages are made from this type of material; their most significant features or advantages are their moisture barrier properties, their ability for heat sealing, and their suitability for use in a microwave. There is no other packaging material on the market that is as well suited for food packaging as PP is.
BPA-free PP is one of the main reasons that PP bags are the ideal choice for storing and moving food/agricultural products. For the food processing or grain handling industries, the inability of a product to leach harmful chemicals and the moisture resistance of all food-safe bulk stores are essential.
Furthermore, Valex Ventures produces and provides BRCGS-certified PP bulk bags designed specifically for industries with very strict hygiene/quality standards that must be adhered to.
Handling food or agricultural products? See how we serve your industry →
3. Chemical and Fertiliser Packaging
Sift-resistant polypropylene bags provide the best solution for storing & shipping chemicals & fertilisers.
Due to their lightweight construction material, these bags are a commonly used form of bulk packaging; as such, they are one of the most challenging types of polypropylene packaging applications - they must contain fine particles of materials without leaking, resist exposure to chemicals during storage & transport, & maintain their structural integrity under loading conditions throughout transportation.
Valex sells flexible intermediate bulk containers (FIBC) for both the chemicals & fertiliser industries; some also include a liner insert or a coating on the outer bag if a separate containment layer is required.
4. Construction and Building Materials
Polypropylene bags can also be adapted for the storage and transport of construction supplies such as sand, gravel, cement, and aggregates. These materials are often heavy and abrasive, placing significant demands on the packaging - any additional containment layer must also meet strict puncture resistance and durability standards
Woven polypropylene bulk containers are the most economical for transporting construction materials using flexible intermediate bulk containers (FIBCs), due primarily to their inherent ability to hold large amounts of weight, their load-bearing capabilities, and because FIBCs are reusable. In fact, FIBCs are routinely filled and emptied multiple times.
Looking for heavy-duty builder bags? Browse our construction-grade FIBC range →
5. Woven Polypropylene Films and Flexible Packaging
Woven polypropylene products go far beyond just bulk tote bags; they also include flexible film for many types of packaging. Polypropylene is a popular material for packaging products ranging from clothing to tobacco.
They can also be used as food packaging because they are tougher than cellophane or paper, while also being generally cheaper.
Biaxially-oriented (BOPP) polypropylene film is commonly used for snack food packaging, labels, and overwrap, which shows the great range of uses for PP in the packaging area.
6. Pharmaceutical and Healthcare Packaging
Because of their high chemical inertness and biocompatibility, polypropylene's chemical inertness makes it ideal for use as disposable syringes, specimen containers, lab supplies, and nonwoven surgical materials in the healthcare industry.
This is not a use for bulk bags, but it further demonstrates why PP industrial uses span far beyond construction or agriculture. Properties such as chemical resistance, cleanliness, and structural integrity give them a high level of value when there is risk of contamination.
Why Polypropylene Packaging Applications Align With Sustainability Goals
Due to the recyclability of polypropylene, this type of packaging can create increased sustainability by allowing the building material to be processed and reused, as well as reducing waste through both manufacturing processes and packaging through closed-loop systems.
For companies in the UK who have been tasked with adhering to tightening ESG criteria and a higher focus on meeting sustainability initiatives, this is very important. The ability to use a recycled polypropylene bag should provide a much more responsible supply chain if the company or suppliers source sustainable products from manufacturers who are committed to maintaining a responsible supply chain with recyclable materials.
Valex Ventures produces its FIBC bags using recyclable polypropylene, and manufacturing processes and material choices are made to reduce the environmental impact associated with manufacturing, and their bags do not sacrifice strength or safety as a result of this initiative.
Want to know more about our sustainability approach? Read about our recyclable materials →
The Bottom Line
The polypropylene application has not been adopted universally as a material for use in industrial packaging alternatives because it's not only a lightweight material, but it has the ultimate combination of strength, resistance to chemicals, is considered food-safe for all uses, and is recyclable and cost-effective at all levels of production.
PP has established a strong track record of success and performance to date through both (1) FIBC bulk packaging bags used for the safe shipment of chemicals and food and (2) woven polypropylene products used in the construction and agriculture industries by showcasing its durability in all areas of industrial manufacturing.
If you are sourcing FIBC bulk packaging and looking for an alternative material that won't let you down -woven polypropylene is where you should start.
Ready to find the right bulk bag for your operation? Talk to the Valex Ventures team →
Frequently Asked Questions
1. What are the main polypropylene applications in industrial packaging?
Polypropylene in industrial packaging is primarily used for the manufacture of FIBC-Bags, food and chemical packaging, building material poles or sacks, and films.
2. Why is woven polypropylene used for FIBC bulk bags?
The properties of woven polypropylene create strength to bear the weight of bulk materials while simultaneously being lightweight and providing moisture and chemical resistance.
3. Are polypropylene bulk bags food safe?
Yes. Food-safe polypropylene meets food contact material regulations (such as UK/EU food contact compliance standards), allowing for safe use with food and agricultural products when produced to specifications.
4. What PP industrial uses are there beyond bulk bags?
Pharmaceutical packaging, automotive products, geotextiles, rope, non-woven fabrics, and flexible films are just some of the many polypropylene industrial uses outside of the bulk bag application.
5. Is polypropylene packaging recyclable?
Yes, polypropylene is recyclable. Polypropylene bags can be collected and reprocessed once they have reached the end of their lifecycle, contributing to the circular economy as well as ESG-compliant businesses across the UK and globally.
