What Makes Kalrez® Different?

Oring KALREZ Video

What is DuPont Kalrez? An Introduction to Perfluoroelastomers / FFKM

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 \u0026 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

DuPont™ Kalrez® 4079 vs. Kalrez® Spectrum™ 6375 - What Are the Similarities and Differences?

This video discusses the similarities and differences between two of the most popular general purpose Kalrez compounds: Kalrez 4079 and Kalrez 6375. For more detailed application information, or to purchase stock, visit our website at www.gallagherseals.com

0:17 Fitness for Use Disclaimer
0:37 Brief Overview of Kalrez 4079
0:54 Brief Overview of Kalrez Spectrum 6375
1:19 Kalrez 4079 vs Kalrez 6375 Temperature Range
1:45 Kalrez 4079 vs Kalrez 6375 Chemical Resistance Properties
2:16 Important Disclosure about FFKM Compounds

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