Viton® 

Viton® Fluoroelastomer Rubber sheet is resistant to a wide range of oils and solvents. It exhibits good abrasion and tear resistance.

Viton®

Fluoroelastomer

Viton® means the part has been manufactured and distributed in accordance with DuPont Performance Elastomers’ guidelines. Only parts made with 100% virgin Viton® as the sole elastomeric component are labeled with this seal.

To ensure that you always receive the highest quality FKM products available, insist on 100% virgin DuPont Performance Elastomers Viton® and look for the “Made With Genuine Viton® seal.

Viton® (FKM) fluoroelastomer is the most specified fluoroelastomer, well known for its excellent (400°F/200°C) heat resistance. Viton® (FKM) offers excellent resistance to aggressive fuels and chemicals. This flouroelastomer is very versatile and can be
altered through its Fluorine content to cater to many industry needs.

viton sheet

Viton® SPECIFICATION SHEET

  • Physical Properties:

  • Material: Viton®
  • Color: Black/Brown
  • Durometer Shore (Hardness) ± 5: 72 Shore A
  • Tensile Strength: 1285 PSI
  • Elongation, %: 286
  • Temperature Range °F: -40°F to 400°F (Depending on Grade, Viton GFLT Required for -40°F)
  • Average Weight (lb/sq. yd., 1/16″): 5.5

Viton® is a registered trade mark of DuPont Performance Elastomers.

The information, recommendations and opinions set forth herein are offered for your consideration, inquiry and verification, and are not, in part or total, to be construed constituting a warranty or representation for which we assume legal responsibility. American Seal & Packing makes no warranties with respect to such data and assumes no responsibility for performance characteristics resulting from conditions which differ from those used in laboratory tests.

Performance Differences Between Major Families of Viton™ Fluoroelastomers

 

 

 

Fluid Resistance: % Volume Increase After 168 Hours

Base Resistance: % Loss of Elongation @ Break.

Low Temp. Flexibility TR-10, ⁰C (°F)

Comp. Set: O-Rings, 70 Hrs @ 200 ⁰C (392 °F)

Toluene @ 40 ⁰C
(104 °F)

Fuel C/MeOH (85/15) @ 23 ⁰C
(73 °F)

Methanol @ 23 ⁰C
(73 °F)

Concentrated H2SO4 @ 70 ⁰C
(158 °F)

33% Solution of KOH: 336 Hr @ 40 ⁰C (104 °F)

ASTM Ref. Oil 105: 500 Hr @ 150 ⁰C
(302 °F)

GLT-S

-30 (-22)

30 - 35

20 - 25 -

35 - 40

90 - 100

3 - 5

-35

-65

AL

-19 (-2)

20 - 25

20 - 25

35 - 40

85 - 95

12 - 15

-50

-80

A

-17 (-1.4)

12 - 17

20 - 25

35 - 40

85 - 95

10 - 12

-45

-80

GBL-S

-16 (3.2)

25 - 40

12 - 15

20 - 25

25 - 35

3 - 5

-25

-65

B

-14 (6)

25 - 30

12 - 15

18 - 23

25 - 35

8 - 10

-25

-70

GFLT-S

-24 (-11)

35 - 40

8 - 12

10 - 15

3 -5

3 - 5

-30

-40

F

-8 (17.6)

30 - 35

8 - 12

5 - 10

3 - 5

7 - 9

-50

-55

GF-S

-8 (17.6)

30 - 45

8 - 12

5 - 10

3 - 5

7 - 9

-45

-50

ETP-S

-11 (12)

45 - 50

6 - 8

8 - 10

1 - 2

4 - 6

0

-10

As you can tell from the charts above, there are multiple grades of Viton. The percentage of flourine and the method of curing determine the grade.  Each grade will perform differently in extreme applications.  The chart on the right indicates Dupont’s common material choices for oil service. The links below will take you to specific Viton product pages.

Viton Elastomers

Is Viton a solution for most applications?

Viton is an exceptional material and a problem solver for many applications, but like any elastomer, it does have its limits.  To overcome some of those limitations Dupont did develop multiple variations eight of which are shown above.  The significant changes are in the temperature range and the chemical resistance.  To determine which grade is best for your application, contact our experienced staff at American Seal & Packing

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