Knowledge Base

Explore informative blogs articles about the packing and gasket industry, APG and the products we manufacture.

September 5, 2024

Trade Names: Viton (E.I. DuPont), Fluorel (3M)

December 10, 2021

Updated Jan 2024

Decoding The Colors 

Spiral wound gaskets are a specific design of gaskets used in high-temperature and high-pressure...

Getting To Know: Pump Packing

Updated: October 2023

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

July 8, 2021

Back Up Rings

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

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...

April 1, 2021

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...

March 15, 2021

Keeping o-rings on hand so you have them when you need them is a great idea. However, before you buy you should be certain that you understand some...

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