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Gaskets are everywhere. They're in your car, at work, even in the air! A gasket is a common term used to describe any seal or grommet that holds two things together. You can make gaskets from rubber, plastic, metal, and other materials. The material choice depends on why you need to use a gasket.
But as you'll learn, there's more to gaskets than a seal preventing a leak. Before you blow a gasket trying to work out the difference between each one, let us do the dirty work for you and tell you everything you need to know about gaskets!
Definition of a Gasket
A gasket, also known as an O-ring or washer, seals the gap between two surfaces. In most cases, these items are made of rubber and are available in a variety of sizes and shapes depending on their purpose.
The most common type of gasket is the flat gasket. It has a cross-section that is circular in shape. The diameter of cylindrical gaskets ranges from 1/4 inch to 3 inches. Typically, the diameter of cylindrical gaskets is round. The tubular gasket appears as a long tube with a different diameter at each end.
How Are Gaskets Tested?
As part of the process of evaluation, gaskets undergo tests such as hot compression tests. This test determines the heat that the gasket can withstand without causing damage or failure in the gasket material.
It is then necessary to check for any leaks in the sealant, as well as look for any other problems such as pinholes or cracks with the sealant. As the final stage in the manufacturing process, technicians will conduct an examination of the product, checking it for all aspects before it leaves the facility.
Properties of a Gasket
The gasket material should have good flexibility, low density, and high tensile strength. It should also have a resistance to chemicals and internal pressure, and durability. It must also have excellent adhesion properties with itself and anything it touches. The ideal gasket will not only seal but also protect against corrosion. Further abrasion, vibration, impact, and temperature extremes need consideration.
That said, the most important feature of any gasket application is strength. It must have enough strength to withstand pressure without deforming under normal conditions. This is so it can serve its primary function of creating a tight seal.
Gaskets are the most commonly used in a car, just like our Honda gasket. And they are used in various parts such as Honda VTEC solenoid spool valve gasket, Honda head cylinder solenoid valve gasket, transmission lock-up gasket, etc.