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Viton® was originally introduced 50 years ago to meet the needs of the aerospace industry for a high-performance elastomer. Since then, the use of Viton® has spread quickly to many other industries, including the automotive, fluid power, appliance and chemical industries and has developed a reputation for its outstanding performance in very hot and extremely corrosive environments.
Particularly valued for its excellent heat stability (200°C) and resistance to aggressive fuels and chemicals, Viton® is the most specified fluoroelastomer for fuel system seals, expansion joints and gaskets.
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PERFORMANCE VITON® SHEET RUBBER:
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Viton® A: 66% Fluorine - Premium Grade |
A broad range of resistance to oils, fuels, lubricants and most mineral acids. Very good resistance to many aliphatic hydrocarbon fluids that act as solvents for many other rubbers. Exceptionally good compression set resistance; even at temperatures that can degradate other non-fluorinated elastomers. Good resistance to atmospheric oxidation, sun, and weather. Excellent resistance to fungus and mold. |
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Finish: Smooth |
Durometer
Hardness
Shore ± 5 |
Thickness
(Inches) |
Width
(Inches) |
Tensile*
PSI |
Ultimate
Elongation*
Percent |
Temperature
Range |
Estimated Weight
Per Linear Foot
(1/8" x 36") |
Specifications |
60 |
1/32 - 1/4 |
36, 48 |
1300 |
250 |
-20°F to +450°F
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3.79 lb
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ASTM D 2000
1HK 610
|
70 |
1/32 - 1/4 |
36, 48 |
1300 |
250 |
-20°F to +450°F
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3.58 lb
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ASTM D 2000
1HK 710 |
80 |
1/32 - 1/4 |
36, 48 |
1400 |
160 |
-20°F to +450°F
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3.61 lb
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ASTM D 2000
1HK 810 |
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*Typical Values |
Viton® B: 68% Fluorine - Premium Grade |
Viton® B has greater resis- tance and retains flexibility better after dry heat aging than Viton® A. It is recommended for applications requiring maximum retention of elastic properties combined with good mechanical properties. Viton® B offers superior resistance to both diluted and concentrated aggressive acids. |
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Finish: Smooth |
Durometer
Hardness
Shore ± 5 |
Thickness
(Inches) |
Width
(Inches) |
Tensile*
PSI |
Ultimate
Elongation*
Percent |
Temperature
Range |
Estimated Weight
Per Linear Foot
(1/8" x 36") |
Specifications |
60 |
1/32 - 1/4
|
36, 48 |
1300 |
250 |
-20°F to +450°F
|
3.72 lb
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ASTM D 2000
1HK 610
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70 |
1/32 - 1/4
|
36, 48 |
1300 |
200 |
-20°F to +450°F
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3.75 lb
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ASTM D 2000
1HK 710 |
75 |
1/32 - 1/4
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36, 48 |
1500 |
200 |
-20°F to +450°F
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3.81 lb
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ASTM D 2000
1HK 810Z
(Z = 75 ± 5 Durometer) |
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*Typical Values |
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Viton® A: 66% Fluorine
Military Specification Grade |
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Temperature: -20°F to +500°F Finish: Smooth |
Durometer
Hardness
Shore ± 5 |
Thickness
(Inches) |
Width
(Inches) |
Tensile*
PSI |
Ultimate
Elongation*
Percent |
Temperature
Range |
Estimated Weight
Per Linear Foot
(1/8" x 36") |
Specifications |
75 |
1/64 - 1/4
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36, 48 |
1700 |
150 |
-20°F to +500°F
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3.63 lb |
MIL-R-83248C,
AMS 7276G,
AMS 3216G |
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WARCO BILTRITE is approved under the Government's Q.P.L. 83248-3.
*Typical Values
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Viton® A: 66% Fluorine - Commercial Grade |
This material exhibits a broad range of resistance to oils, fuels, lubricants and most mineral acids. It has very good resistance to many aliphatic hydrocarbon fluids that act as solvents for many other rubbers. Exceptionally good compression set attributes even at temperatures that can embrittle other non-fluorinated elastomers. It also exhibits good resistance to atmospheric oxidation, sun, and weather, and has excellent resistance to fungus and mold. |
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Finish: Smooth |
Durometer
Hardness
Shore ± 5 |
Thickness
(Inches) |
Width
(Inches) |
Tensile*
PSI |
Ultimate
Elongation*
Percent |
Temperature
Range |
Estimated Weight
Per Linear Foot
(1/8" x 36") |
Color/Finish |
70 |
1/32 - 1/4 |
36, 48 |
800 |
200 |
-20°F to +450°F
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3.7 lb |
Black/Smooth |
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*Typical Values |
Viton® B: 68% Fluorine - Commercial Grade |
Viton® B has better resistance and retains flexibility better after dry heat aging than Viton® A. It is recommended for applications requiring maximum retention of elastic properties combined with good mechanical properties. Viton® B is specified by the FSA to resist sulfur dioxide in power generating factory systems and in addition offers superior resistance to both diluted and concentrated aggressive acids including sulfuric acid, nitric acid and hydrochloric acid. |
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Finish: Smooth |
Durometer
Hardness
Shore ± 5 |
Thickness
(Inches) |
Width
(Inches) |
Tensile*
PSI |
Ultimate
Elongation*
Percent |
Temperature
Range |
Estimated Weight
Per Linear Foot
(1/8" x 36") |
Color/Finish |
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-20°F to +450°F
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Black/Smooth |
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*Typical Values |
Viton® A: 66% Fluorine - FDA Grade |
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66% Fluorine. Perfect for food and lab applications where FDA compliance is required. Has good chemical resistance, high temperature properties and is resistant to corrosives. |
Temperature: -20°F to +450°F Finish: Smooth |
Durometer
Hardness
Shore ± 5 |
Thickness
(Inches) |
Width
(Inches) |
Tensile*
PSI |
Ultimate
Elongation*
Percent |
Temperature
Range |
Estimated Weight
Per Linear Foot
(1/8" x 36") |
Specifications |
75 |
1/64 - 1/4
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36, 48 |
1200 |
200 |
-20°F to +450°F
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3.63 lb |
FDA approved
ingredients per
21 CFR 177.2600 |
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*Typical Values |
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Miscellaneous Charts: |
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DuPont Gasket Codes |
DuPont Engineering Standards U2A and SU2A |
DuPont
Code |
Viton®
Type |
Compound
Number |
Durometer
Hardness
Shore ± 5 |
Tensile
PSI |
Ultimate
Elongation
Percent |
Temperature
Range |
S21/G21 |
A |
60-F-3096 |
60 |
1500 |
200 |
-20°F to +450°F |
S22/G22 |
A |
75-F-3097 |
75 |
1500 |
180 |
-20°F to +450°F |
S23/G23 |
B |
60-F-4126 |
60 |
1500 |
200 |
-20°F to +450°F |
S24/G24 |
B |
75-F-4127 |
75 |
1600 |
200 |
-20°F to +450°F |
S25/G25 |
GBL |
60-F-5128 |
60 |
2200 |
350 |
-20°F to +450°F |
S26/G26 |
GBL |
75-F-5129 |
75 |
2200 |
300 |
-20°F to +450°F |
S27/G27 |
GFLT |
60-F-5130 |
60 |
2100 |
200 |
-40°F to +450°F |
S28/G28 |
GFLT |
75-F-5131 |
75 |
2200 |
180 |
-40°F to +450°F |
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GBL anf GFT Viton® produced in molded slabs only. |
Permeation Rates for Selected Elastomers |
Material |
Fuel C at
23°C |
90% Fuel C,
10% Ethanol |
85% Fuel C,
15% Methanol |
Taluene |
NBR (33% CAN) |
669 |
1028 |
1118 |
----- |
HNBR (44% CAN) |
230 |
553 |
828 |
----- |
Fluorosilicone |
455 |
584 |
635 |
----- |
Nylon 12* |
5.5 |
24 |
83 |
----- |
Viton® GLT-S |
2.6 |
14 |
60 |
----- |
Viton® AL |
0.8 |
6.7 |
32 |
----- |
Viton® A |
0.8 |
7.5 |
36 |
49 |
Viton® GFLT-S |
1.8 |
6.5 |
14 |
----- |
Viton® B |
0.7 |
4.1 |
12 |
----- |
Viton® GF-S |
0.7 |
1.1 |
3.0 |
----- |
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Average permeation for ASTM Standard (g x mm) (m2 x days)
*Mathematically normalized to 1 mm thickness using data from tests described in ASTM E96-53T. |
Heat Resistance Chart of Specialty Elastomers |
(ASTM D 2000/SAE J200) |
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Viton® retains good sealing performance and low
volume swell in hot oil at elevated temperatures. |
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Relative Chemical Compatibility and Mechancial Properties for Viton® Fluoroelastomers |
Chemical Environment |
Viton®
General Use Types |
Viton®
Specialty Types |
A |
B |
F |
GBL-S |
GF-S |
GLT-S |
GFLT-S |
ETP-S |
Automotive and aviation fuels |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
Automotive fuels oxygenated
with MEOH, ETIH, MTBE, etc. |
4 |
2 |
1 |
2 |
1 |
4 |
1 |
1 |
Engine lubricating oil, SE abd SF |
2 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
Engine lubricating oil, SG abd SH |
3 |
2 |
2 |
1 |
1 |
2 |
1 |
1 |
Alphatic hydrocarbon process
fluids, chemicals |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
Aromatic fluids, steam
mineral acids |
2 |
2 |
1 |
1 |
1 |
2 |
1 |
1 |
Aqueous fluids, steam
mineral acids |
3 |
2 |
2 |
1 |
1 |
1 |
1 |
1 |
Strong base, high pH,
caustic, aminos |
4 |
4 |
4 |
2 |
2 |
2 |
2 |
1 |
Low molecular weight carbonyls
100% concentration
(MTBB, MBK, MIBK, etc.) |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
1 |
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Resistance to compression set |
1 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
Low-temperature flexibility |
2 |
2 |
3 |
2 |
3 |
1 |
1 |
2 |
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Key: 1 = Excellent 2 = Fair to Good 3 = Poor 4 = Not Recommended |
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