What is the difference between a big-bag and an octabin?

A big-bag (FIBC — Flexible Intermediate Bulk Container) is a flexible woven PP bag with a capacity of 500–1500 kg, typically without a rigid structure. An octabin is an octagonal industrial cardboard container with a capacity of 250–500 kg, with a rigid structure that facilitates stacking on pallets. Big-bags dominate bulk transport; octabins suit products requiring more stable storage.

How much granule fits in one big-bag?

A standard big-bag for PE/PP granules weighs 750–1000 kg when full. Volumetric capacity is typically 1–1.5 m³. One 60 m³ silo trailer (approx. 25–30 tonnes of cargo) requires 33–40 big-bags of 750 kg each.

Does PHS Magnum transload both big-bags and octabins?

Yes. The SMIALA transloading terminal in Chorula accepts big-bags, octabins, and 20'/40' sea containers. Transloading is done by gravity through a cleaning sieve — without pneumatic conveyors. Warehouse capacity: 2000 big-bags. Tel: +48 664 135 005.

What is the cost of a big-bag vs. an octabin?

A single-use PP big-bag costs approx. 3–8 EUR (depending on capacity and certification). An octabin costs 5–15 EUR each. However, the total logistics cost calculation must include: empty packaging transport, transloading costs to silo trailer, unloading time. Ask for a comprehensive quote: biuro@magnumchorula.pl.

Which packaging is best for transporting PE/PP to the European market?

For bulk shipments from Asia (sea container) for transloading to silo trailer — big-bag is optimal: high capacity, low cost, easy gravity transloading. Octabins work well for deliveries to processing plants requiring precise batching. 25 kg bags — only for small quantities or special material grades.

Can big-bags be used more than once?

Yes — big-bags are classified as UN single-use or multi-trip (up to 5 cycles). Multi-trip big-bags have reinforced construction and a higher purchase cost, but a lower cost per cycle. For PE/PP granules, single-use bags are typically used — due to cross-contamination risk between batches.

How should big-bags with granules be stored?

Big-bags with granules should be stored in a covered warehouse, away from UV and moisture. Stack a maximum of 2–3 layers (depending on packaging strength). PHS Magnum / SMIALA offers big-bag storage in Chorula (2000 units) — early delivery possible before scheduled transloading.

What is FIBC and what certifications matter for granules?

FIBC (Flexible Intermediate Bulk Container) is the formal name for a big-bag. The most important certifications for plastic granules: SWL (Safe Working Load), UN certification (for hazardous materials), anti-static (type C or D — important for flammable granules). For standard PE/PP, a class A or B big-bag with SWL 1000 kg is sufficient.

transloading packaging 20.05.2026 PHS Magnum

Big-bag vs octabin vs 25 kg bag — which packaging to choose for granule transport?

Packaging comparison for granule transport: big-bag, octabin, and 25 kg bags – PHS Magnum Chorula

In brief

Big-bag (FIBC) is the optimal packaging for bulk transport of PE/PP granules from Asia to Europe — 750–1000 kg capacity, low cost, easy gravity transloading to a silo trailer without pneumatics. Octabin works well for deliveries to processing plants where precise batching and stable stacking count. 25 kg bags only make sense for small quantities or special material grades. The SMIALA terminal in Chorula handles transloading of all three formats onto silo trailers — up to 100 tonnes per day.

Importers of PE and PP granules from Asia regularly face the same dilemma: in what packaging to order material so that the total logistics cost — from the factory in Korea or China to the processing plant in Poland or Germany — is as low as possible? Big-bag, octabin, or 25 kg bag? Each solution has its place, but not every option fits every scenario.

Big-bag (FIBC) — flexibility at scale

Big-bag, formally known as FIBC (Flexible Intermediate Bulk Container), is a flexible woven polypropylene bag. It dominates bulk granule transport from Asia to Europe.

Big-bag technical specifications

Parameter	Typical values
Capacity	500–1500 kg (most commonly 750–1000 kg)
Volume	0.8–1.5 m³
Dimensions	90×90×120 cm (typical)
Safe Working Load (SWL)	5:1 (5× working load)
Material	Woven PP fabric

When is a big-bag the best choice?

Bulk sea import: 20’ containers hold approx. 22–24 tonnes of granules in big-bags (22–32 units at 750 kg each). A full 40’ container — up to 24–26 tonnes. This is the optimal format for transport from South Korea, China, and Saudi Arabia.

Transloading to silo trailer: Big-bags are ideal for gravity transloading through a cleaning sieve — as we do at the SMIALA terminal. A forklift lifts the big-bag, the bottom is opened, granules flow into the trailer tank. Simple, fast, no mechanical damage to material.

Storage: Big-bags can be stored on pallets or directly on the floor, maximum 2–3 layers. The PHS Magnum warehouse in Chorula holds 2000 big-bags simultaneously.

Big-bag limitations

Unstable when stacked high (above 3 layers — tipping risk)
Flexible structure makes precise batching for processing machines difficult
Single-use big-bags generate PP packaging waste (recyclable)

Octabin — stability and precision

Octabin is an octagonal industrial cardboard container mounted on a EURO pallet. An important format for deliveries to injection moulding or extrusion plants.

Octabin technical specifications

Parameter	Typical values
Capacity	250–500 kg
External dimensions	900×900×1050 mm (typical)
Material	Corrugated cardboard (3 or 5 layers) + PE liner
Pallet	EURO 800×1200 mm
Loading in 20’ container	4–6 units = 1–3 tonnes

When is an octabin the right choice?

Processing plants with dosing equipment: An octabin with an ejector bag or a standard dispenser port for a gravity feed chute fits automated material dosing systems perfectly. Precise weighing without spillage risk.

Storage up to 2 years: The rigid cardboard structure protects granules better than a flexible big-bag — lower risk of moisture and mechanical damage during long-term storage.

Mixed transport: Octabins on EURO pallets can be transported in curtainsider trucks alongside other palletised goods — convenient for smaller shipments.

Octabin limitations

Higher packaging cost than big-bag
Cardboard is damaged by moisture (requires dry storage)
Lower capacity = more packaging units for large batches
Harder to transload onto a silo trailer (cartons need to be cut manually)

25 kg bag — only for small quantities

25 kg bags (laminated PP or paper) are classic retail and small-scale industrial packaging. In the context of bulk import from Asia — rarely cost-effective.

When does a 25 kg bag make sense?

Special material grades (colours, additives, concentrates) in small batches of 500–5000 kg
Deliveries to recipients without silos (processing companies with small hoppers)
Material samples for technology trials
Certified materials requiring strict batch traceability

Why are 25 kg bags expensive for bulk import?

The maths: 25 tonnes of granule = 1000 bags of 25 kg. Packing, palletising, loading on the container, then unloading at the recipient — multiple times more labour than with 33 big-bags or 3 containers in big-bags. Packaging cost: approx. 1500–2500 EUR per 1000 bags, vs. 200–350 EUR for 33 big-bags.

Summary comparison

Criterion	Big-bag	Octabin	25 kg bag
Capacity	750–1000 kg	250–500 kg	25 kg
Packaging cost	Low	Medium	High per kg
Transloading to silo trailer	Easy (gravity)	More difficult	Impractical
Dosing precision	Low	High	High
Storage stability	Medium	High	High
Best use	Bulk import, transloading	Processing plants	Small batches, samples

How SMIALA handles transloading

The SMIALA transloading terminal in Chorula near Opole handles big-bag and octabin transloading to silo trailers by the gravity method through a cleaning sieve: