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  3. Barrier Property Comparative Study of Different Aluminum Coated Films (2025)

Barrier Property Comparative Study of Different Aluminum Coated Films (2025)

Barrier Property Comparative Study of Different Aluminum Coated Films (2025)

Barrier Property Comparative Study of Different Aluminum Coated Films (2025)

Product catalog summary

Introduction

This study by Labthink Instruments Co., Ltd. examines the oxygen barrier properties of metallized films, specifically comparing aluminum-coated PET (VMPET) and aluminum-coated BOPP (VMBOPP) films of similar thicknesses. The goal is to determine the impact of substrate material on the effectiveness of these films as oxygen barriers.

Background

Traditional aluminum foil is known for its excellent oxygen barrier properties but is costly. Aluminized films offer a more economical alternative, though their effectiveness can vary based on the substrate material used.

Methodology

The study employs the coulometric sensor method using the Labthink C230G Oxygen Transmission Rate Test System. This method measures the rate of oxygen permeation through the film, with a lower rate indicating better barrier properties.

Results

The results indicate that VMBOPP specimens have an average Oxygen Transmission Rate (OTR) of 53.4515 cm3/(m2·day), whereas VMPET specimens exhibit a significantly lower average OTR of 1.0202 cm3/(m2·day). This suggests that VMPET has superior oxygen barrier properties compared to VMBOPP, likely due to the inherent properties of PET.

Conclusion

The study concludes that VMPET is a more effective oxygen barrier than VMBOPP. The use of the C230G system provides a reliable and repeatable method for assessing the oxygen barrier properties of packaging materials.

Additional Information

Labthink offers a variety of oxygen and water vapor transmission rate testers using different methods. For more information, visit their website at www.labthink.com. Labthink also encourages collaboration with companies in the packaging industry for quality control purposes.

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Catalog excerpts

Barrier Property Comparative Study of Different Aluminum Coated Films (2025)-1

Labthink Instruments Co., Ltd. [email protected] +86-531-85068566" Barrier Property Comparative Study of Different Aluminum Coated Films This study investigates the impact of substrate material on the oxygen barrier properties of metallized films (films with a thin layer of aluminum deposited on them). The focus is on comparing VMPET (aluminum-coated PET) and VMBOPP (aluminum-coated BOPP) with similar thicknesses. Traditional aluminum foil offers excellent oxygen barrier but is expensive. Aluminized films provide a cost-effective alternative with good barrier properties, but their effectiveness can vary depending on factors like the substrate material. The study uses a coulometric sensor method with an instrument called the C230G Oxygen Transmission Rate Test System. This method measures the rate at which oxygen permeates through the film (lower rate indicates better barrier). The experiment compares VMPET and VMBOPP samples with similar thicknesses. Testing Instrument is Labthink C230G Oxygen Transmission rate test System. Wide range of packaging materials including films, plastic-metal composites, bottles, cups, and lids.Conforms to various Chinese and international standards. The result shows that VMBOPP specimens showed an average OTR

 Open the catalog to page 1
Barrier Property Comparative Study of Different Aluminum Coated Films (2025)-2

Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 of 53.4515 cm3/(m2· day). VMPET specimens showed a significantly lower average OTR of 1.0202 cm3/(m2· day). In conclusion, the test confirms that VMPET has superior oxygen barrier properties compared to VMBOPP, likely due to the inherent barrier properties of PET being better than BOPP. The coulometric sensor method with the C230G system provides a simple, reliable, and repeatable way to assess oxygen barrier properties in packaging materials. More oxygen and water vapor transmission rates testers adopting various test method are...

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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