Tek Tips & White Papers

We've tapped into the knowledge base of our seasoned staff of engineers, R&D and product managers to come up with a series of technical tips which we've dubbed "Tek Tips."  Some Tek Tips examples include:

  • Film and adhesive selection advice
  • Step by step processing techniques
  • Valuable "tips of the trade" from other customers
  • Defining complicated technical terms or tests in easy to read and understandable ways

Tekra's vendor partners, at times in conjunction with Tekra staff, have written industry white papers which can also be requested in this section.

Tek Tip - Pencil Hardness Test

February 2014
Although, pencil hardness measurements have been used by the film industry for many years to determine the scratch hardness of a particular coated film, how the test is done and the values that result from the test are often confusing or misunderstood. This technical tip will help you understand exactly what to look for with pencil hardness testing procedures so you confidently know how a film will perform.

Tek Tip - Cast vs. Calendered Vinyl

January 2014
Explore the differences between manufacturing methods involved in the production of cast vs. calendered vinyl films in this technical tip. Determine which vinyl is best suited for your application needs and budget.

Tek Tip - Die Cutting Hardcoated Polyester Film

December 2013
Marnot® Polyester is a hardcoated biaxially oriented polyester film. Like all biaxially oriented polyesters, Marnot® Polyester can exhibit a tendency to split in layers when torn or die cut. This technical tip article provides useful tips on how to minimize edge splitting when die cutting Marnot® Polyester.

Tek Tip - Hydrophilic vs. Hydrophobic Coatings

November 2013
Understanding the features of a hydrophobic coating vs. a hydrophilic coating allows design engineers to make the right choice for their applications. “Hydrophobic” and “hydrophilic” are easy to get confused with one another and this technical tip will define the differences between the two as well as recommend which coating to use when.

Tek Tip - Data Sheet Properties vs. Specifications

November 2013
Design engineers need to determine the difference between actual and nominal properties when specifying a particular component or construction. This technical tip discusses the differences between a product's general properties vs. a controlled specification.

Tek Tip - Cold Forming or Bending Polycarbonate Films

November 2013
In some applications, polycarbonate film may need to be bent to conform to the surface to which it is being attached. In the technical tip, learn how to cold form polycarbonate without stress cracking the film.

Tek Tip - Comparing Polyester and Polycarbonate Films for Switch Actuation Life

November 2013
Since the 1970's, polycarbonate and polyester have been the two thermo-engineered plastic films most often used by manufacturers in membrane switch production. In this comparative feature, we will discuss the components of a switch and the impact of each unique substrate on switch actuation life.

Tek Tip - Optimizing the PVC Lamination Process

November 2013
This technical tip was featured in the October 2011 issue of ICMA Card Manufacturing magazine and was written by Tom Mucenski, Card Films Business Manager, Klockner Pentaplast and Tim Weatherill, Card Films Technical Manager, Klockner Pentaplast. Although it is a few years old, much of the information shared in this article on how to optimize your platen lamination process is still relevant today.

Tek Tip - Defining Density vs. Specific Gravity

November 2013
A given products' density and its specific gravity are closely related values. In short, you are comparing a product's degree of compactness vs. a ratio of that compactness when compared against a standard reference (e.g. water). You can learn more about the intricacies of density vs. specific gravity in this technical tip.

White Paper - Polyester Films for Medical Device Applications

April 2013
Polyester films inherent characteristics of strength, chemical inertness, dielectric properties, high value, processability and consistency, have led to the broad use of PET films in blood glucose, diagnostic assay, and other biosensor applications. This white paper examines the requirements and process challenges involved in extending an industrial product (PET) into more rigorous and closely regulated medical diagnostic device design and manufacture.

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