Protect more.
Preserve longer.
Use less complex structures.
TOPPAN’s GL Film is a transparent high-barrier technology designed to protect against oxygen and moisture, helping preserve product quality while enabling aluminium-free and mono-material packaging pathways.
01 / At a glance
Global scale
Specialist capability
TLP operates as one connected packaging business, supported by a global manufacturing network and decades of experience across flexible, retail, medical and specialist packaging.
02 / Mono-material
One technology. Multiple
packaging challenges
GL Film combines transparency with high barrier performance, helping packaging developers protect products while addressing changing production, usability and circularity requirements.
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01Extend product shelf life
High oxygen and moisture barrier performance helps protect sensitive products and preserve quality throughout shelf life.
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02Support mono-material development
Selected GL Film grades can be incorporated into compatible PP or PE structures, helping reduce mixed-material complexity and support more recyclable packaging pathways.
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03Enable demanding processing
Specialist grades are engineered to maintain barrier performance through demanding processes such as retort and other thermal applications.
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04Improve production compatibility
Transparent, non-metallic barrier structures can support requirements such as microwave use and metal detection where the complete packaging structure allows.
03 / Our Technology
TOPPAN’s Patented
GL Film Technology
GL Film combines a transparent base film with an inorganic vapour-deposited barrier and protective top coating. Together, they deliver high oxygen and moisture barrier performance while keeping the film transparent, lightweight and suitable for a wide range of packaging applications.
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01 — Durable base film
A transparent substrate provides the mechanical strength and heat resistance needed for the application. GL Film is available on PET and polyolefin substrates including BOPP and HDPE.
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02 — High-barrier deposition
An ultra-thin, transparent layer of aluminium oxide (AlOx) or silicon oxide (SiOx) is vapour-deposited onto the base film, creating a strong barrier against oxygen and moisture.
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03 — Protective top coating
TOPPAN’s proprietary coating protects the barrier layer, improving durability and helping maintain barrier performance through converting, handling and processing.
04 / Sustainability
A simpler path
to more sustainable packaging
GL Film can support simpler packaging structures by replacing conventional barrier materials such as aluminium foil in suitable applications. Selected grades are also designed for compatible PP or PE structures, creating pathways towards mono-material packaging.
For retort applications, GL-RP is TOPPAN’s SiOx-deposited BOPP barrier film designed for incorporation into all-polypropylene structures while maintaining the barrier performance required through processing.
Final recyclability depends on the complete pack and the collection and recycling infrastructure available in the destination market.
05 / Performance
Performance that
supports the transition
Measured barrier performance and retort compatibility help packaging teams simplify material structures without compromising essential product protection.
06 / Applications
Engineered for
demanding conditions
See how transparent high-barrier film is applied across retort, refill and mono-material structures.
Specialist grades designed to maintain barrier performance through high-temperature retort processing.
Barrier structures configured around elevated processing and filling temperatures where suitable grades are available.
Non-metallic barrier structures can support microwave use where the complete packaging structure is suitable.
High moisture barrier options help protect dry foods, powders and other products affected by humidity
High oxygen and moisture barrier performance helps protect sensitive products throughout longer storage periods.
Transparent, non-metallic structures can enable metal detection during production where required.
07 / Performance
Performance you
can evaluate
See how the GL-RP all-polypropylene structure compares with a conventional aluminium-foil laminate across transparency, processing compatibility and mono-material potential.
| Requirement | GL Film structure | Aluminium foil | EVOH | PVDC |
|---|---|---|---|---|
| Retort potential | ☑ Yes | ☑ Yes | ☑ Yes | ☑ Yes |
| Transparency | ☑ Yes | ❌ No | ❌ No | ❌ No |
| Aluminium-free | ☑ Yes | ❌ No | ❌ No | ❌ No |
| Metal-detection compatibility | ☑ Supported | ☐ May be restricted | ☐ May be restricted | ☐ May be restricted |
| Microwave compatibility | ☑ All PP potential | ❌ Limited | ❌ Limited | ❌ Limited |
| Barrier performance | ☑ Documented by grade | ☐ Typically high | ☐ Typically high | ☐ Typically high |
08 / Projects
Proven on real
production lines
See how TLP applies GL Film across retort, refill and mono-material programmes in production.
Build a more sustainable
packaging pathway
Tell us about your current structure, performance requirements and sustainability objectives. We'll help identify practical opportunities to simplify materials without compromising protection.