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PE insert

PE liner for Big Bag (FIBC liner)

Big Pak manufactures PE foil liners that protect the material inside the Big Bag from moisture and contamination. The liners are produced in our own facility in Ełk - in the same location as our FIBC bags - which makes it possible to tailor the dimensions and parameters to a specific bag model. Delivery to Poland and the EU, inquiry response time: 24h.

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Technical specification

PE liners are tailored to the dimensions of the Big Bag (FIBC) – one supplier for both the bag and the liner eliminates the risk of dimensional mismatch.
ParameterRange / options
Production technology3-layer blown film extrusion
Film thickness50–180 μm
MaterialLDPE, LLDPE or blends
Post-consumer rPE contentup to 30% post-consumer (GRS chain, made to order)
TypeF-shape (loose) / U-shape (form-fitted to the bag)
Top closureopen
Bottom outletnone
Dimensional fitinto Big Bag sacks from the Big Pak range or according to the customer's specifications

When a PE liner is essential

The liner protects the bulk material inside the bag from moisture, external contamination and dust. Used whenever the material is hygroscopic or tightness is required.
ApplicationDescription
Mineral fertilisers (NPK, urea, ammonium sulphate)Protection against moisture and caking — the standard in the fertiliser segment
Polymer granulesMoisture and dust protection
Bulk chemicalsChemical barrier and protection against contamination
Building materials (cement, plaster)Protection against moisture and dust

Logistics data:

Logistics data:

Order parameters: width, thickness, material, format (roll / cut sheets), quantity

Response time: 24h / 1 working day

Lead time: …

Min. order: …

Transport: road, Poland and EU

Bag and liner from a single plant

Big Pak manufactures both Big Bag FIBCs and PE liners in its own facility in Ełk. This means that the liner is dimensionally matched to the specific bag model - without the risk of mismatch that arises when ordering from two different suppliers.

The order for bags and liners is handled together - one specification, one delivery.

Single-loop Big Bags

Single-loop Big Bags

Four-loop Big Bags

Frequently asked questions

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Does the PE liner have to be ordered together with the Big Bags?

No - liners are available as a separate order. However, when ordering both products from Big Pak, you can be sure that the liner is dimensionally matched to the specific bag model. A liner according to the technical specification of another bag supplier is also possible.

Does the PE liner have to be ordered together with the Big Bags?

No — liners are available as a separate order. However, by ordering both products from Big Pak, you can be sure that the liner is dimensionally matched to the specific bag model. It is also possible to get a liner made to the technical specifications of another bag supplier.

Does the PE liner have to be ordered together with the Big Bags?

No — liners are available as a separate order. However, by ordering both products from Big Pak, you can be sure that the liner is dimensionally matched to the specific bag model. It is also possible to get a liner made to the technical specifications of another bag supplier.

Is the PE insert available with a GRS certificate?

Yes, made to order. Production in the GRS v4.0 chain using post-consumer rPE. GRS documentation issued per batch after placing an order - service subject to an additional fee.

Is the PE insert available with a GRS certificate?

Yes, made to order. Production in the GRS v4.0 chain with post-consumer rPE. GRS documentation issued per batch after placing an order — additionally charged service.

Is the PE insert available with a GRS certificate?

Yes, made to order. Production in the GRS v4.0 chain with post-consumer rPE. GRS documentation issued per batch after placing an order — additionally charged service.