Sealing Shielding

3 Advantages of a Double Chamfer Radial Seal

More often than not, an O-ring makes for a great sealing element. They seal over a wide range of pressure, temperature and tolerance. Normally they require very little room, are readily available,...
On December 3, 2019

Form-In-Place Gaskets: What They Are and What They Are Not

Form-in-place EMI gaskets, also known as FIP EMI gaskets, is a robotically dispensed electromagnetic interference (EMI) shielding solution that is ideal for modern densely populated...
On November 27, 2019

EMI and Environmental Sealing for Munitions Applications

Material selection for military applications requires careful consideration, as there are strict requirements to ensure maximum durability, security and of course performance. In munitions, or...
On November 26, 2019

Answers to Your In-Service Rubber Properties Questions

Are you uncertain of what to look for when comparing material data reports for various elastomers?  Ever wonder about the impact a seal’s durometer has in the application? Have you asked, ‘What...
On November 21, 2019

Thermal Pads: Which Layer Do I Peel Off?

Most thermal pads, also known as thermally conductive gap filler pads, thermal gap pads, or thermal gap filler pads, have many different layer materials or carrier substrate options to choose from. It...
On November 14, 2019

How to Read a Rubber Test Report: The 4 Most Common Misunderstandings

We've all done it at least once: looked at a report, read the numbers on it, and come up with exactly the wrong conclusion. Pass/fail limits and results are printed right there, but for some reason,...
On November 13, 2019

Is an ASTM Callout the Best Way to Specify Your Elastomer Needs?

I have had many discussions with customers as to the value of using an ASTM elastomer compound description on their prints to define a specific application or elastomer requirement versus listing...
On November 5, 2019

Large-Size PTFE Seals Withstand Aggressive Media and High Temperatures

Seals made of the fluoropolymer PTFE are used where many other sealing materials (such as rubber elastomers, polyurethanes, fabric-reinforced elastomer seals, etc.) reach their limits in terms of...
On October 23, 2019

5 Design Considerations for EMI and Weather Sealing Combination Gaskets

Combination electromagnetic interference (EMI) shielding and weather gaskets, more commonly known as EMI shielded combo strip gaskets, are an excellent choice for a variety of applications that...
On October 22, 2019

Discover a New Electrically Conductive Flame Retardant Plastic

Electrically conductive plastics continue to provide reliable EMI shielding in a wide variety of applications. Specifically, thermoplastics can overtake bulky metal enclosures due to their superior...
On October 17, 2019

Semiconductor Fabs Lower Cost of Ownership with HiFluor Materials

In our July Semiconductor entry, we noted that lowering the cost of ownership is a multi-faceted goal. We discussed how one of the areas for potential improvement is mechanical design and how the...
On October 15, 2019

6 Benefits of Overmolded Covers for Aerospace and Defense Applications

It's no surprise that electronic enclosures and housings in aerospace and defense applications are built to meet the most stringent of military standards. These include but are not limited to...
On October 10, 2019

5 Factors to Consider When Determining Compressive Load of a Seal

Closure force requirements are an important consideration for sealing applications, and the Applications Engineering team is often asked for guidance as to how to minimize or predict the amount of...
On October 8, 2019

The Truth About Hydraulic Cylinder Drift

I had a brief career in construction. We used an old hydraulic manlift for elevated projects, and it had a problem – we would start the day eye-level with our work, and after an hour would realize we...
On October 3, 2019

What Does a Good Seal Engineering Drawing Look Like?

You just spent 6 months testing, stretching, aging and exposing your new seal design to 12 different chemicals. Finally, you are done, so what does a good technical drawing for a seal include?...
On October 2, 2019

Observations From the Electric & Hybrid Vehicle Technology Expo NA

Another Electric & Hybrid Vehicle Tech Expo North America has concluded and it is evident that this show has grown by leaps and bounds. In just a few years since Parker Hannifin has started...
On September 25, 2019

Parker Chomerics Earns 2018 Outstanding Quality Supplier Award from FCA

We're thrilled to announce that the Chomerics Division of Parker Hannifin Corporation, the global leader in motion and control technologies, has been recognized for its outstanding quality by global...
On September 18, 2019

Why is Outgassing Critical in Optics and Electronics Applications?

For some applications, a critical component of selecting a seal material is a phenomenon known as “outgassing”. However, even within the elastomer community, outgassing is not something that...
On August 8, 2019

Semiconductor Fab Processes Benefit From Retention Ribbed EZ-Lok Seals

When it comes to semiconductor fabrication processes, reducing the cost of ownership is a multi-faceted goal approached from a variety of angles. Tool engineers and equipment technicians take pride...
On July 25, 2019

Viscosity vs. Flow Rate - Which Is Best in Thermal Interface Materials?

A common question often asked by our customers is the reason why flow rate is reported on datasheets of liquid-dispensed thermal interface materials instead of viscosity. And it’s a fair...
On July 17, 2019