Video - What is DuPont™ Kalrez®? An Introduction to FFKM

The history and science of Kalrez FFKM

Many of Gallagher's customers use Kalrez FFKM for their equipment or processes. It's known worldwide for its effectiveness in the harshest applications - able to withstand nearly all media and extreme temperatures.

But what makes Kalrez so special? Why is it it far superior to other elastomers?

This video will dive into what makes Kalrez FFKM different than other conventional elastomers when it comes to sealing in the most demanding environments. Learn about the technical specification and the science behind the world's most popular perfluoroelastomer.

The full agenda can be seen below:

  • 0:12 Agenda
  • 0:26 What are Elastomers?
  • 0:55 What are Plastic Seals?
  • 1:57 History of Elastomers
  • 2:16 The first two commercial elastomers: NBR & CR
  • 3:00 Kalrez History - Backbone Molecular Chain Protection
  • 3:08 What is Backbone Molecular Chain Protection?
  • 3:30 Kalrez Creep and Compliance
  • 3:40 Elastomers and Hardness
  • 4:13 Kalrez Hardess - The Fluorine-Carbon Bond
  • 5:05 How are Kalrez Parts Manufactured?
  • 5:44 DuPont does NOT sell Uncured Kalrez Parts
  • 6:20 How is Hardness Measured?
  • 7:18 How is Tensile Strength Measured?
  • 7:31 How is Elongation Measured?
  • 7:40 Kalrez Compression Set
  • 8:17 Kalrez Thermal Expansion
  • 8:37 Kalrez Glass Transition Temperature (TG)
  • 9:25 Kalrez TG is 32 to 42 Degrees Fahrenheit
  • 9:32 What is Kalrez Brittle Point?
  • 9:53 Kalrez Permeation Rate
  • 10:13 Kalrez Volume Swell
  • 11:01 Kalrez Shelf Life

Watch the introduction to Kalrez video


Additionally, you can shop for Kalrez here >>