FAQ

Here are the answers to some of IMPAK's most frequently asked questions, including information about laminate materials, desiccants, and sealer functionality as well as advice on how to choose products appropriate for your application.

What Is Mylar®?
Find out more about this popular film first developed in the 1950s by DuPont

Why Is Molecular Sieve the Best Desiccant?
Compare how well various desiccants work

What is Tyvek®?
Learn more about this uniquely useful material from DuPont

History of Stand Up Pouches
Learn about the pouch that revolutionized packaging

What Is "Kraft"?
What exactly is kraft paper, and how is it made?

How to Choose a Barrier Bag
With so many pouches available, how do you choose the right one?

Pinholes in Foil Structures
How microscopic holes in foil affect barrier properties

What is an Angstrom?
A unit of measurement used to descibe molecular-level processes

How to Choose a Sealer
See different types of sealing machines and their uses

O.D. vs I.D.
Why provide pouch measurements one way or the other?

What is PTFE?
Better known as Teflon®, this material has thousands of applications

What Is a Portable Sealer?
Easily moved and managed, these sealers fit all kinds of situations

How a Chamber Vacuum Sealer Works
De-mystify this remarkable technology

UL, CSA, & NSF Certifications
Have you ever wondered what quality standards these logos represent?

Reclosable Features Guide
The many ways bags can be repeatedly opened and sealed closed