What is an FIBC liner?

An FIBC liner is the inner bag of a big bag. It separates the bulk material from the woven sack, protects against moisture and contamination and allows controlled discharge. The big bag carries the load, the liner provides the barrier.

Which liner shape is right?

Bottle-neck liners suit metered discharge, V-shape liners complete residual emptying of free-flowing bulk, octagonal liners make best use of the big-bag cross-section and stabilise the sack during filling.

What is a bulk (ton) bag here?

A high-capacity heavy-duty bag, often with an aluminium barrier, for bulk materials at tonne scale. For moisture-sensitive battery materials the barrier layer is the decisive feature.

What does the DD suffix mean?

DD marks a variant of the DLP-1300 base model within the series. The manufacturer does not document the exact meaning; functionally it is the liner and medical version of the 1300 frame size.

DLP-1300DD FIBC-Liner

DLP-1300DD: FIBC liners and aluminium bulk bags

The DLP-1300DD produces liners for FIBC big bags as well as aluminium bulk bags. It makes bottle-neck, V-shape and octagonal liners with CAD-based cutting. A key focus is barrier bulk bags for new-energy applications such as cathode and anode materials in battery production.

Category: Industrial packaging
Technology line: Intelligent line

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Bag formats

FIBC liners with bottle neck
V-shape liners
Octagonal liners
Aluminium bulk bags with barrier

Materials

Industrial-grade PE films
Aluminium laminates
Co-extruded barrier films
Antistatic films on request

Applications

Plastic granulate and masterbatch
Cathode and anode materials (battery production)
Chemicals and powders
Minerals and fillers
Food raw materials in big bags

What defines this machine

CAD-based cutting

The liner shape is stored as a CAD contour instead of being set by mechanical stops. Complex geometries such as octagonal liners become reproducible without dedicated tooling for every shape.

Three base shapes ex works

Bottle neck for controlled discharge, V-shape for complete residual emptying, octagonal for maximum use of the big-bag cross-section. All three run on the same machine.

Barrier bulk bags for battery materials

Aluminium laminates protect moisture-sensitive cathode and anode materials. Pulse sealing creates seams without thermal damage to the barrier layer.

Servo active unwind

Every reel is unwound under servo control with ultrasonic diameter measurement. Web tension stays constant even on the large reels that liner formats require.

Technical data

DLP-1300DD FIBC-Liner: Technical data
Bag shapes	bottle neck, V-shape, octagonal
Cutting	CAD-based
Liner volume	on request
Bag width	on request
Bag length	on request
Output rate	on request
Max. film width	on request
Max. reel diameter	on request
Connected load	on request
Compressed air	on request
Machine dimensions (L × W × H)	on request
Weight	on request

Numerical values are confirmed by the factory for your application. We supply the full data sheet with the quotation.

Frequently asked questions

What is an FIBC liner?: An FIBC liner is the inner bag of a big bag. It separates the bulk material from the woven sack, protects against moisture and contamination and allows controlled discharge. The big bag carries the load, the liner provides the barrier.
Which liner shape is right?: Bottle-neck liners suit metered discharge, V-shape liners complete residual emptying of free-flowing bulk, octagonal liners make best use of the big-bag cross-section and stabilise the sack during filling.
What is a bulk (ton) bag here?: A high-capacity heavy-duty bag, often with an aluminium barrier, for bulk materials at tonne scale. For moisture-sensitive battery materials the barrier layer is the decisive feature.
What does the DD suffix mean?: DD marks a variant of the DLP-1300 base model within the series. The manufacturer does not document the exact meaning; functionally it is the liner and medical version of the 1300 frame size.