PLC Probe

The Miracle of Coextrusion Makes Believers of Many

Coextrusion has allowed converters to make different constructions using alternate materials for new applications. Since its introduction only a few decades

Tamper-Evident, Tamper-Proof Packaging Part of Life Today

A tamper-proof package, i.e., one that could never be opened, would mean no one could tamper with the cookies, but no one could eat them either!

What Is Converting? It Helps to Ask That Simple Question

Converting is unwinding a roll of relatively thin material, processing it in some fashion, and then rewinding it into a roll (unless it has been sheeted).

The Sweet Smell of Success in Coatings and Adhesives

Contamination is a frequent cause of odor in adhesives and coatings applied to a substrate. This normally occurs inadvertantly in the facilities of the formulator or at the converting plant.

Some Smart Ways to Face Inevitable Price Increases

What action can a converter facing a price increase take that might be… palatable? In many cases, the answer is efficiency.

In This Industry, Green Doesn't Always Mean Go

Because green values may not be entirely indicative of final values, converters may use other techniques in an attempt to predict the final properties of a material when first made.

There Are Many Reasons for Packaging Peculiarities

Do you ever wonder why so many different constructions can exist for a flexible packaging laminate? Do you think life would be much simpler if all items packaged in a flexible laminate product used the same laminate? Unfortunately, this will never be possible. There are many different reasons for the variety of flexible packaging laminates.

Conversing on Centuries, Computers, and Converting

The three words in the title seem to have no relationship or connection. Or do they? As we begin 2001, we start a new century. Since centuries comprise

Impression Rolls: Their Jobs and Their Maintenance

Impression rolls play a very important part at various points in many different converting operations. They are usually small rolls that are perhaps 3-4

Some Causes of Blocking in Heat Seal CoatingsPart II

Last month this column covered some causes of blocking when using heat seal coatings. The problem primarily addressed concerned processing conditions

Common Causes of Blocking in Heat Seal CoatingsPart I

Heat seal coatings are formulated materials that are applied to a substrate on a coater and then wound into a roll. In a subsequent operation, the coated

For ''Friendly'' Adhesives and Coatings, You Must Prioritize

People working with adhesives and coatings for the converting industry constantly hear the terms "environmentally friendly" and "user friendly." These

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