3 replies to this topic

[fatemehriazi1]

hi

how know what kinds of film is good barrier for moisture?

 

[Charles.C]

hi

how know what kinds of film is good barrier for moisture?

Hi fatemehriazi,

 

Is this for the same application as yr other thread -

 

http://www.ifsqn.com...ch/#entry105018

[Mesha]

Besides moisture properties, you also need to review the seal strength, seal integrity, tearability and other properties of the desired packaging. This will help you design a safe and quality packaging.

 

Pls refer to the following site for basic idea of barrier properties of various films.

 

http://www.flexifoil...roperties-films

 

Regards,

Meena

[moskito]

Hello,

what's with gas transfer like oxygen to improve shelf life?

In Europe especially in Germany topics arised in the last years where food is contaminated by gas transfer. Examples are ITX (and other photo initiators used in UV-printing) and MOSH/MOAH, contaminants derived from mineral oil (from printing inks of new papers) if you are using recycled fibers. Even if you are using foils made from PE or PP to pervent direct contact these substances migrate into the products by gas transfer over time. Solutions are to use virgin fiber od barrier foils/films.

 

Rgds

moskito