APG Knowledge Center (5)

December 1, 2021

What Do O-Ring Colors Mean?

The Rainbow of Functionality: Exploring the Colors of O-Rings

Updated: November 2023

When it comes to sealing solutions, o-rings are unsung heroes...

November 10, 2021

What is Pump Packing?

Getting To Know: Pump Packing

Updated: October 2023

Pump packing is the earliest form of sealing pumps and is widely used over the mechanical...

Equipment at an industrial plant that uses o rings

November 1, 2021

Getting To Know O-Ring Materials: Fluorosilicone

Getting To Know O-Ring Materials: Fluorosilicone

Trade Names: LS (DOW), FSE (GE)

Fluorosilicone, FVMQ is a compound that contains...

September 20, 2021

Getting To Know Materials: Urethane (Polyurethane)

Getting To Know Materials: Urethane (Polyurethane)

Trade Names: Texin (Miles Chemical), Cyanaprene (American Cyanamid), Adiprene (Uniroyal),...

A group of black o rings on a blue and grey background.

September 15, 2021

Getting To Know Materials: Silicone

Getting To Know Materials: Silicone

Silicone rubber makes for an excellent sealing material for products like o-rings and gaskets. Silicone is...

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...

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The O-Ring Vulcanization Process

The O-Ring Vulcanization Process

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