A gasket strip is a long piece of gasket material used for sealing purposes. Gasket comes in many materials, all of which are used as mechanical seals to prevent leaking between two mating surfaces. Pre-cut gaskets are available in specific shapes and sizes, but a gasket strip is more versatile. They usually come in rolls so the user can cut and shape the strips in the best way for use. Gaskets come in many materials, including polytetrafluoroethylene (PTFE), nitrile rubber, silicone, cork, copper, and plastic polymers. Copper gasket is thin and works well for mating surfaces where the recess between the two is small, while cork gasket is slightly thicker but also works to block the flow of fluids between mating surfaces.
The main benefit of purchasing a gasket strip rather than a pre-cut gasket is that you can maximize the product by cutting off the exact amount of gasket needed without wasting excess product. Additionally, gasket strips can be used to seal multiple surfaces of varying shapes and sizes. For this reason, gasket strips are also good for weatherstripping because they can be cut apart into the outer dimensions of a door or window to create a stronger seal from the wind, rain, and snow.
Gaskets are often simple to install and sometimes come with an adhesive backing similar to a strip of tape. When ready to apply the gasket, the backing can be removed and the gasket can be attached directly to the surface. Other gaskets are arched to fit around an edge and some require a separate adhesive agent.
Beyond simply protecting from fluid leakage, gaskets can function well as protective seals from many common exposures in aerospace machinery. In the context of aerospace and defense, gaskets serve many purposes. Common factors to consider when installing a gasket for use in the industry are operating temperature, internal pressure, UV and ozone exposure, media exposure, and electromagnetic interference (EMI). In electronic defense devices, gaskets can be thermally conductive and electrically conductive for EMI shielding and ESD protection, meaning they prevent dangerous flows of electromagnetic waves by insulating the machinery. Since pressure and temperature are very dynamic conditions for aircraft, it is important to use substances that are resistant as gaskets, such as cork.
Ozone and UV exposure are concerns in aircraft, so choosing the right material for the gasket is critical to keep in mind. For instance, rubber is susceptible to ozone damage, so harder materials such as copper prove more resistant gaskets. Gaskets can also aid in transporting devices safely and protect sensitive components from severe operating conditions. In addition to the elements, devices within aircraft require protection from specific fluids, including jet fuel, PAO, and Skydrol. As such, gaskets function to reliably prevent leaks and protect equipment.
For supplies of gasket strips that have been sourced from top manufacturers like Parker Hannifin Ltd, Metex Corporation, Honeywell Ltd, Hawker Beechcraft Ltd, and Honeywell Inc, rely on NSN Stocks NSN Stocks belongs to the ASAP Semiconductor family of websites and our agents are available 24x7/365 to help guide you through the purchasing process. To request quotes on items for your comparisons, simply fill out and submit an RFQ form which can be accessed through our Instant RFQ service, and a dedicated account manager will contact you within 15 minutes of receiving the form to continue the procurement process.
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