APG Knowledge Center

July 24, 2021

What is Durometer?

Updated October 7, 2021

What is Durometer?

The durometer is a measurement of the hardness of a piece of rubber. However, there are a few...

July 18, 2021

Getting To Know Materials: Nitrile

Getting To Know Materials: Nitrile

Trade Names: Buna-N, Chemigum (Goodyear), Ny Syn (Copolymer), Krynac (Polysar), Hycar (Zeon Chemical),...

July 8, 2021

Getting To Know Materials: Aflas

Getting To Know Materials: Aflas

Aflas® is unique compared to other rubber materials. It has various resistive properties, including high...

July 8, 2021

Getting To Know: Backup Rings

Back Up Rings

Backup rings are commonly installed with rubber o-rings to help improve their performance. These rings are designed to limit...

June 19, 2021

Getting To Know Materials: PTFE

Getting To Know Materials: PTFE

What is PTFE? Polytetrafluoroethylene, better known as PTFE, is a material founded by E.I. DuPont in 1938 and has...

June 15, 2021

The Shelf Life of Elastomers

Updated Dec 2023

How Long Do Elastomers Last?

Have you ever wondered about the shelf life of elastomers? As a commonly used material in various...

June 1, 2021

Getting To Know Materials: Ethylene Propylene

Getting To Know Materials: Ethylene Propylene (EPDM)

Trade Names: Nordel (E.I. DuPont), Royalene (Uniroyal), Epsyn (Copolymer Rubber), Vistalon...

April 24, 2021

O-Ring Installation in Three Easy Steps

How To Install an O-Ring

Once you have confirmed that your lubricant is safe for use with both your O-Ring and your application, it is a good...

April 1, 2021

The O-Ring: More Than Meets the Eye

Most of us benefit from o-rings in our everyday lives without even realizing it. The o-ring is a simple product but is fundamental in the...

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The O-Ring Vulcanization Process

The O-Ring Vulcanization Process

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