Sealing gasket material selection I Tameson

Gaskets help prevent leakage at pipe and component joints. For a good seal, it is important to select the right material. Visit our website to buy sealing gaskets ► tameson.com/sealing-adhesives...
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Timecodes:
00:00 - What is a sealing gasket
00:19 - Gasket materials
00:41 - PVC sealing gasket
01:05 - PTFE sealing gasket
01:29 - Nylon sealing gasket
01:49 - Copper sealing gasket
02:07 - Aluminum sealing gasket
02:26 - Vulcanized fibers sealing gasket
02:50 - Choosing gasket size
03:08 - Outro
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Tameson is your online specialist for fluid control. On our website you will find very clear information and tools to directly order the right product for your application. We have over 15,000 products in stock with new product types and variants added on a continual basis. Solenoid valves, ball valves, pneumatic cylinders, hoses, fittings, etc. you name it we have it or can get it. Our engineering support team and global delivery options allow for new and existing customers (B2B & B2C) to get the right product(s) at the right cost.
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When selecting the right gasket, the first step is to choose the material. The more extreme the use, the more specific the choice should be. The most common materials used for gaskets are PVC, PTFE, Nylon, copper, aluminum and vulcanized fiber. To help you choose, I will briefly list the advantages and disadvantages of each material type.
PVC is a cost-effective and durable material with excellent shock and vibration damping properties. It has a pressure range up to about 16 bar. This makes it widely used, including for vacuum applications. Disadvantages of PVC are a limited temperature range of -30 to 60 degrees Celsius and that it is not resistant to aromatic and chlorinated hydrocarbons.
PTFE, also known as Teflon, is best known for its heat resistance and non-stick properties. Because of this, it is mostly used in applications with extreme temperatures. A disadvantage of PTFE is that it has a high hardness and therefore lower sealing properties. PTFE is therefore not recommended if temperatures or pressures of the application do not require it.
Nylon is distinguished by its abrasion resistance, excellent damping and low creep tendency. In addition, it has high compressive and tensile strength and can be used in vacuum. The disadvantages of nylon are that it has a lower melting point than PTFE and should not be used at temperatures above 80 degrees Celsius.
Copper is often used for its electrical conductivity and heat absorbing properties. Because of this, it is widely used in motorsports. Copper has a melting point of 1085 degrees Celsius, making it extremely heat resistant. However, it should not be used in highly acidic environments.
Aluminum has good corrosion resistance to organic acids and can be used at a temperature of -100 to +200 degrees Celsius. However, not every type of Aluminium is prone to react with other metals. This is something to consider when using Aluminium gaskets.
Vulcanized fibers are natural fibers that have undergone heat treatment to form a hard rubber. It is one of the oldest plastics on the market and is used in a wide range of applications, including washers and gaskets. There are very few drawbacks to using vulcanized fibers, they have incredible resistance to pressure, chemicals, penetration by solvents and oils, and have high integrity.
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