Knowledge Base

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

Updated: November 2023

FKM (Viton™) and Nitrile (NBR) are two of the most used elastomers for sealing applications. These materials are suited for...

O-rings are a popular type of seal used by many manufacturing industries for various products. These include automobile engines, firearms, rockets,...

What is the Purpose of Sight Glass?

Defining Sight Glass

Sight glasses are transparent industrial glass that are used for observing levels of...

The History of EVER-TITE: Revolutionizing the Fastener Industry

When it comes to industrial couplings, few names resonate with the same level of...

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...

December 1, 2021

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

Updated: November 2023

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

Getting To Know: Pump Packing

Updated: October 2023

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

Getting To Know O-Ring Materials: Fluorosilicone

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

Fluorosilicone, FVMQ is a compound that contains...

Getting To Know Materials: Urethane (Polyurethane) 

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

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