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Protecting your seals

Dust gets everywhere.  We see it across the surfaces of our homes and even in our workplaces, especially when the light shines through to show it in its full glory!  However, dust that seeps and builds up within engineering equipment can be disastrous.  Causing damage...

Importance of durometer testing

Durometer or shore durometer is a way for industry professionals to measure how hard such things as plastic, rubber, and non-metallic materials genuinely are.  Its focus is to measure on a Shore A or Shore D scale, looking at how robust material is when examining its...

Metal Detectable O Rings

Metal detectable o rings became a necessary must when it was identified that some chemicals, exposure to extreme temperatures, and continuous vibrations could cause failings in standard o rings.  Failings that not only mean a breaking of the seal, but there is also an...

Tips for best o ring maintenance

If o rings are not maintained, leaks can occur, and water and other fluids can enter the appliance or application, and even product in the mix!  If this happens, damage can occur to internal parts and mechanisms, causing deployment failings, potential false readings,...

What you need to know about O Ring Lubricants

Silicone grease and lubricants aren’t just a nice to have for o rings, but they can quite often be a must-have.  However, with so many greases and lubricants to choose from, it can often be a minefield choosing the best ones and the right ones for your o ring and...

O Ring Replacement

Replacing an O Ring in pressure washer wands is probably one of the most common replacements you'll find when working with seals.  Unfortunately, O Rings don't last forever, and over time they do deteriorate, and you will require an O Ring replacement.  It's important...

Reasons behind seal failure and a look into seal replacement

Unfortunately, there are occasions where O-rings, in particular, fail.  The failure of these seals is not simply due to one factor, but various factors that can occur across a range of applications – hence why locating the exact cause of such problems is just that, a...

Gaskets and seals for Aerospace

Gaskets and seals used for aerospace applications and equipment must be of premium quality and to a substantially high standard.  They are used across a range of applications such as radars, antennas, lighting, access panels, electrical conductivity, pressure sealing,...

Finding the best sealing materials for Food Grade Applications

You will find rubber seals across various industries, providing an important element and operating as a vital fixing across a wide range of different applications and equipment.  However, these FDA gaskets must follow strict, set guidelines, in terms of their material...

The Evolution of Gasket Solutions

When we talk about gaskets and the history of a gasket, we must start at the very beginning.  What is a gasket?  Ultimately, a gasket is a manufactured seal that is used to fill the gap/space between two or more surfaces.  Gaskets are typically manufactured by cutting...

Gaskets and seals for Aerospace

Gaskets and seals for AerospaceGaskets and seals used for aerospace applications and equipment must be of premium quality and to a substantially high standard. 

They are used across a range of applications such as radars, antennas, lighting, access panels, electrical conductivity, pressure sealing, and so much more. 

This makes choosing the right aerospace gasket essential.  

You need to ensure you have the right solution for the right application. Meeting all set criteria, as well as meeting several performance improvements compared to your average seal. 

What to look for in commercial aerospace gaskets and sealings 

A good rubber gasket all comes down to the type of material you use. 

You need a gasket material that can withstand various levels of electrical resistance. A gasket that is corrosion-resistant offers shielding effectiveness, fluid resistance, and can still perform under wide fluctuations in temperature. 

You need…. 

A gasket material is known as urethane-filled expanded aluminium. 

This impressive gasket material offers everything you could want from a seal and more. 

Its high surface affinity and the association with urethane binder systems help to create a sealing solution that fits perfectly within the fuselage and externally mounted aircraft devices. 

What does this mean to you? 

You can rest assured that you have the perfect seal and highest chemical resistance against all of the most commonly found aviation fluids. 

What is also essential in aerospace gaskets and seals is that they must be suitable to withstand and survive lightning strikes. 

This is why expanded aluminium is recommended to help improve electrical performance, eliminating electrical contact resistance. 

Ultimately, the expanded metal provides highly efficient electrical systems, optimizing grounding performance, and more. 

However, one of the most popular benefits of urethane-filled aluminium gaskets is that they help to reduce corrosion, providing a much longer lifespan. 

For this reason, aircraft manufacturers can expect less component replacement and rework most associated with corrosion. Saving on both time and money. 

What’s more, these gaskets are also easy to install. 

Often we may also talk about aluminium alloys; these are the materials that provide a clear benefit to airframes, associated stress fatigue, and cracking. These particular gaskets act as a conductive medium, almost acting like a sacrificial entity, promoting even distribution of surface load, reducing and indeed eliminating stress points and pitting occurrences. 

It may also be a requirement to opt for custom elasto proxy fabric gaskets, where this type of custom gasket is used in mass transit, military aerospace gasket and seals, medical, and aerospace applications. 

Urethane-filled seals ultimately perform much better than other seals in the market, for all aerospace style applications. 

This makes them the preferred aerospace application gasket due to their outstanding corrosion resistance, shielding efficiency (superior electrical conductivity is one of the main functions of shielding gaskets used in aerospace applications), fluid resistance, electrical resistance, as well as operating well under extensive temperature ranges. 

Designers, therefore, rely on the sealing performance of these gaskets. Performing when subjected to specific torque values for aerospace devices, as well as providing more chemical resistivity and sealing efficiency against aviation fluids. 

Due to urethane gaskets being resistant to corrosion, you can expect a reduction in aircraft TCO. Reducing water entry and the result of an electrolytic environment. 

Components and indeed, fixings such as seals and gaskets used in the aviation sector should adhere to several requirements.  

For example, these aviation devices require electromagnetic interference shielding materials that provide resistivity to unwanted radiation. 

At Specialist Sealing Products, we offer a wide range of seals and gaskets available, manufactured in various materials. Trust us when we say we’re confident to have a seal suitable for a wide range of applications, and specialist applications found in the aviation sector. 

For more information and to check availability on all industrial sealings, call 01535 274 776 or visit our dedicated pages online. 

Reference video: Parker Hannifin

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