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A comprehensive packaging testing solution for flexible food packaging March 1,2019.

Flexible packaging is of great importance to our daily life and economic growth in the view of global market. Flexible packaging is widely used in food, industrial application, pet food, beverage, tobacco, pharmaceutical industry etc. among which 50% of flexible packaging is for food industry as statistics showed.

Flexible food packaging includes various forms of food packaging like paper cup, plastic bottle, plastic bags and pouches. And here we would like to share more information about the plastic film or bag.


The most important functions of composite plastic food packaging are to protect food quality, extend product shelf-life and to secure products during shipping.

In order to achieve these purpose, flexible food packaging manufacturers should do various tests of packaging materials to meet their customer’s packaging requirement and national regulation for flexible food packaging materials.

So,right now we believe you are thinking that how can flexible food packaging manufacturers test their material to meet customers requirements and standard.Okay,GBPI-China Pioneer Packaging Testing Equipment Manufacturer, GBPI  vision is to enable the world’s flexible packaging industry to control the quality of their products and reduce enterprise cost by using our testing technology, solution and equipment. After 17 years R&D, GBPI becomes one of the largest packaging testing equipment manufacturer in China, GBPI water vapor permeability tester W403, oxygen permeability analyzer Y110, Tensile Tester GBH-1, Gas Chromatography very popular very popular for flexible packaging manufacturer all over the world.

And now you might be confused what tests flexible packaging manufacturers should do to meet regulation and customer’s quality requirement.

GBPI CNAS Laboratory help you find out this question. China National Accreditation Service for Conformity Assessment (hereinafter referred to as CNAS) is the national accreditation body of China unitarily responsible for the accreditation of certification bodies, laboratories and inspection bodies, which is established under the approval of the Certification and Accreditation Administration of the People’s Republic of China (CNCA) and authorized by CNCA in accordance with the Regulations of the People’s Republic of China on Certification and Accreditation. CNAS was the accreditation body member of International Accreditation Forum (IAF) and International Laboratory Accreditation Cooperation (ILAC),as well as the member of Asia Pacific Laboratory Accreditation Cooperation (APLAC) and Pacific Accreditation Cooperation (PAC).

Plastic film barrier property testing: Flexible food packaging especially for snack food is demanding in packaging barrier property to ensure low WVTR/OTR to better protect quality.

Below chart shows you some  packaging material mechanical properties testing items and what kind of packaging testing equipment our GBPI CNAS Laboratory supply for these testing.

Packaging properties testing list

Testing instruments we GBPI supply

Peeling strength testing


heat sealing strength testing

Heat seal tester/UTM

Tensile strength testing


Piercing testing


Coefficient of friction testing

COF tester

Impact resistance testing

Falling dart impact tester

Compression testing of composite plastic food pack

Compression tester

Light transmittance rate testing

Light transmittance rate and haze tester

Thickness testing

Thickness tester

Evaporated residues testing

Evaporated residues tester

Solvent residues testing for printed flexible packaging


Leakage testing for food pack

Leakage tester

These tests are a professional flexible food packaging manufacturer do to better control packaging quality, to be more competitive in flexible packaging industry since a well-equipped testing lab makes a flexible packaging manufacturer more reliable.

Hopefully this information is helpful and useful when you start your business in flexible food packaging. More questions or details needed please do not hesitate to leave us message or calling us.

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