What’s BOPLA/PLA compostable foil laminate and its property

What’s BOPLA/PLA compostable foil laminate and its property

11/08/2021

Biodegradable-BOPLA40-PLA40-Laminated
Biodegradable-BOPLA40-PLA40-Laminated

BOPLA Compostable Film

With ourside layer printed with custom artwork design, BOPLA film can be working alone for many products packages, like food, bread, flower, and gifts.

bread-compostable-BOPLA-film-packaging
bread-compostable-BOPLA-film-packaging

However, it is soundy and noisy for single BOPLA film layer, and some customers may not like it, you may check here to understand more.

PLA Compostable Film

PLA film is usually produced by blown process, and the film is usually soft and good hand touching effect.

fully-compostable-blown-polylactic-acid-film
fully-compostable-blown-polylactic-acid-film

So, when PLA film is laminated with BOPLA film, it should combine the advantages of these two film materials, and able to be extended to more applications.

Foil Laminate Structure

The graphic of BOPLA/PLA foil structure is as below, and you can see, the print is applied reversely on the inner side of BOPLA film, and then laminate with PLA film 40~80 microns through an adhesive layer.

BOPLA-PLA-compostable-foil-structure
BOPLA-PLA-compostable-foil-structure

Property

Good stiffness

This foil laminate is acheived with good stiffness which can support good standing effect when it is formed into standing pouch packages. And you may have a good understanding the stiffness by below video.

Good stiffness of BOPLA/PLA compostable laminated foil

Good mechanical strength

As of the excellent mechanical property of BOPLA film, this foil lamnate is of great tensile strength, with typical value 60~70 Mpa for machine direction.

tensile-strength-test-for-BOPLA40-PLA40-compostable-foil
tensile-strength-test-for-BOPLA40-PLA40-compostable-foil

You may read here to understand more on tensile strength test for BOPLA/PLA compostable foil materials

Compostable

Both BOPLA and PLA film are certificated compostable in home/garden and industrial conditions, with certificated list below

BOPLA-PLA-compostable-foil-laminate-buried-in-soil
BOPLA-PLA-compostable-foil-laminate-buried-in-soil

You may read here on the compost test of this BOPLA/PLA laminated foil in nature soil conditions.

Good artwork presentation

BOPLA film is an excellent print substrate film of high clarity, and also the haze of PLA film is going to work as background for the artwork, that will be able to present the artwork print in a vivid and fantastic way.

reversely-printed-on-BOPLA-inner-side
reversely-printed-on-BOPLA-inner-side

Applications

This BOPLA/PLA compostable foil material can be widely used for many proudcts, which do not have strict requirements for WVTR and OTR for the package.

semi-opaque-BOPA-PLA-foil-laminate-standing-coffee-pouch
semi-opaque-BOPA-PLA-foil-laminate-standing-coffee-pouch

OK, here we come to the end of this post, just reach us if you have any other questions.

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