Applications

The bag has to fit the product — and the line.

Cement, fertilizer, resin, flour, minerals, feed. Each product has its own flow, density and sensitivity. We start with those behaviours, then choose the material, valve and print.

Cement & dry mortar

Stack strength, dust control and a premium printed face for bagged building materials.

Fine cement dust escapes at the valve, bags are stacked high on the pallet, and the printed face is part of the brand. The bag has to fill fast, hold its shape and resist corner drops.

Recommended structure

Multiwall paper / paper-plastic

What the bag must do

High stack strength and shape retention
Dust-controlled valve at the filling spout
Moisture protection for humid storage
Sharp print on kraft or white paper

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Fertilizers

Moisture protection and UV stability for blended, granular and water-soluble fertilizers.

Fertilizer blends can be hygroscopic, and bags often spend time under sunlight or in humid warehouses. Caking and UV degradation are the usual complaints, not just bag breakage.

Recommended structure

PE / PP woven

What the bag must do

Moisture barrier for hygroscopic blends
UV stabiliser for outdoor storage
Anti-slip for stable 25 kg stacks
Vent options for products that release moisture

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Chemicals & minerals

Clean filling and puncture resistance for fine powders, crystals and abrasive minerals.

Fine chemical powders and abrasive minerals attack seams and puncture film. Product contamination is a risk, and dust at the filling line is a safety issue.

Recommended structure

PE / paper-plastic

What the bag must do

Puncture-resistant co-extruded film
Clean, dust-controlled valve design
Barrier options for sensitive products
Industrial or food-grade material declarations

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Resins & pellets

A clean, moisture-resistant pack for polymer pellets, compounds and masterbatch.

Polymer pellets are free-flowing and heavy. The bag must stay closed, resist puncturing from sharp granules and keep moisture away from hygroscopic grades.

Recommended structure

What the bag must do

25 kg standard formats
Strong seals and valve fit
Anti-slip and easy-open options
Consistent print for grade identification

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Flour & food ingredients

Food-contact materials, reliable seals and print that meets retail and export expectations.

Food powders need documented contact materials, reliable seals and print that carries allergens, batch codes and brand identity. Grease and moisture can migrate through paper without a barrier.

Recommended structure

Multiwall paper / PE

What the bag must do

Food-contact paper and film options
Grease and moisture barriers
Batch, allergen and barcode print areas
Clean filling and dust control

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Feed & agriculture

Tough, breathable or barrier bags for feed, seeds and agricultural inputs.

Feed and agricultural inputs are cost-sensitive and often handled roughly. Some products need to breathe; others need protection from rain and humidity.

Recommended structure

PP woven / paper-plastic

What the bag must do

Breathable or laminated PP woven
High-strength bottom and valve
Custom print for brand and usage
UV and anti-slip options

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Material comparison

A quick reference for the shortlist.

Feature	PE	PP woven	Paper-plastic	Multiwall paper
Moisture barrier	Excellent	Good when laminated	Good	Moderate; coating improves
Tensile & tear strength	Good	Excellent	Very good	Good
Stack strength	Good with block bottom	Good	Very good	Excellent
Print surface	Good	Excellent with BOPP	Very good	Excellent, matte
Recyclability	Mono-material PE streams	PP recycling streams	Mixed layers	Paper streams; barrier affects
Relative cost	Mid	Low–mid	Mid	Mid–high
Best for	Resins, chemicals, food powders	Fertilizer, grain, feed, minerals	Cement, chemicals, flour	Cement, mortar, flour, sugar

Filling line fit

The product is only half the specification.

A bag that performs in a lab can still leak on a high-speed packer. Spout type, fill rate, de-aeration and bag support all change the valve and film or paper build.

Read the filling-line guide

Spout type & diameterThe valve must fit the packer, not just the bag.

Fill rateFast lines need venting and valve geometry that keeps up.

Product flowFine powders, granules and pellets de-aerate differently.

Pallet patternBag shape and anti-slip affect stack stability after filling.

Your product, our starting point

Tell us what you pack. We will build the shortlist.

Send the product name, bulk density, fill weight, filling line details and destination. We will recommend a bag structure and the tests needed before approval.

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Send your specification or a sample bag

Receive a structure recommendation and quote

Approve a sample, then move to production