Sealing Shielding
Sealing at Extreme Low Temperatures
Heavy duty equipment moves industry forward in all climates, from the sunny Caribbean to icy Greenland. Effective, reliable sealing is what allows hydraulic systems in heavy duty equipment to do work,...
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How to Properly Choose Commercially Available O-Ring Cross Sections
There are 400+ standard O-ring sizes, so which is the right one for an application? Or maybe you are wondering if one O-ring thickness is better than another. This question is posed to us several...
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How to Select Seal Materials for Medical Ventilators
In the rush to massively increase the number of ventilators available to treat patients with severe cases of Covid-19, using the correct seal materials for those ventilators should never take a back...
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Thermal Conductivity Measurement Frequently Asked Questions (FAQs)
Over the years, we've taken many questions from customers just like you about the measurement and testing of our thermal interface materials. How are they used? How are measurements determined? What's...
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Meeting NASA Low Outgassing Requirements in EMI Shielding Applications
Design factors for satellite, high altitude, and space-based applications vary dramatically from those of land or ship-based programs. These factors include: low payload capacity, low operating...
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Chomerics Earns GM Supplier Quality Excellence Award for 3rd Year
We’re thrilled to announce the Chomerics Division of Parker Hannifin Corporation, the global leader in motion and control technologies, has been awarded the prestigious 2019 GM Global Supplier Quality...
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How Much Do You Know About Compressive Stress Relaxation? CSR Part 3
Parts 1 and 2 of this series discussed the theory behind CSR testing and what to look for in a CSR result curve.  This 3rd and final section will focus on how to use CSR data and apply it to real...
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What You Should Know About Electrically Conductive Elastomers
Electrically conductive elastomers are elastomeric polymers filled with metal particles. They can be grouped by filler type and elastomer type. Then within each of these classes, there are standard...
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How Much Do You Know About Compressive Stress Relaxation? CSR Part 2
In Part 1 of this series, the theory behind Compressive Stress Relaxation (CSR) testing was discussed, as well as a brief discussion of the fixtures used to measure it. In Part 2, we will explore what...
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How Much Do You Know About Compressive Stress Relaxation? CSR Part 1
Compressive Stress Relaxation (CSR) is a means of estimating the service life of a rubber seal over an extended period of time. As such, it can be thought of as the big brother of compression set...
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Reduce Downtime and Costly Seal Replacements: Seal Failure Diagnosis Part 2
As mentioned in part one of our seal failure blog series, O-ring and seal failures are often due to a combination of failure modes, making root cause difficult to uncover. It's important to gather...
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6 Tips When Selecting an Electrically Conductive Adhesive
There are many ways to improve the electrical continuity of electronic enclosures and the resultant EMC performance using a variety of electrically conductive gaskets and mechanical fasteners.  Such...
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Installation of Linear Fluid Power Seals
  So, you’ve unboxed the shiny new Parker seals you ordered – now what?  Installing seals for the first time can be challenging without the right know-how and tools. In this article we’ll discuss best...
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Reduce Downtime and Costly Seal Replacements: Seal Failure Diagnosis Part 1
There are many situations where an O-Ring may not last as long as one thinks that it should. When the expectation is realistic and yet the seal fails earlier than expected, the...
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How to Solve Large-Size Sealing Challenges at Temperatures up to 800 °C
When classic sealing materials – for instance in temperature ranges above 300°C and below -50°C – reach their limits alternative materials are required such as metal with appropriate coating/plating....
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What to Know About O-Ring Cytotoxicity and the Pharmaceutical Industry
Most pharmaceutical manufacturers produce drugs in large vats of living cell cultures. For the production of these drugs, it is extremely important to ensure that these cell cultures are not exposed...
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Low Drag Dynamic Sealing for Hydraulic Clutch Applications
As automatic transmissions become more advanced as a system, the components within must evolve as well. Performance drives the design and there are many factors that must mesh together to achieve the...
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Five Things to Consider When Dispensing Form-In-Place EMI Gaskets and Thermal Gel
Automated form-in-place (FIP) dispensing of EMI shielding gaskets can be ideal for complicated patterns on electronics housings because automation allows for control over the size and shape of the...
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Managing EMI and Lightning Strike Protection in Today’s Aircraft
Composite materials have been replacing metal structures throughout the aircraft industry primarily to save weight, improve fuel economy and reduce costs.  But the lack of electrical conductivity in...
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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,...
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