Technical Information : viton
Fluorinated Rubber(Fluoroelastomer), DIN FPM 1. Chemical Term : Fluoroelastomer, Fluorinated rubber, Fluorocarbon 2. Abbreviation : FKM(ASTM D1418), FPM(ISO/DIN 1629) - Rubber and Nomenclature 3. Trade Names : Viton(Dupon-Dow elastomer), Fluorel(3M Dyneon), Technoflon(Ausimont), Dai-el(Daikin)
VITON(FPM) Grade Comparison
General Grades
Specialty Grades
A
B
F/GF
GB
GFLT
GLT
-30(Solvay) -35(Solvay) -40(Solvay) ETP
Nominal Polymer Fluorine Content, wt Percent Volume Change in Fuel C 168 hr @ 23°C (73°F)
66
68
70
66
67
64
67
65
65
67
4
3
2
5
2
5
9
7
9
4
Percent Volume Change in E85 168 hr @ 40°C (104°F) Percent Volume Change in KOH 168 hr @ 70°C (158°F) Percent Volume Change in KOH 168 hr @ 70°C (158°F) Low Temperature Flexibility TR-10, °C
10
8
6
10
16
10
13
11
9
12
90
40
5
66
5
90
4
26
9
5
Samples Degraded
14
-17
-13
-5
-16
-24
-31
-30
-35
-40
-10
Relative Cost
1
1.5
1.5
3
4
4
4
5
8.5
20
Precix Material Code *
F75, F40
F95
F68, F86
F51
F78, F77
F79, F05
F119
F122
F103
F65
Key to grades : GF = Good for fuel / GB = Also good for fuel / GFLT = Good fuel, low temp / GLT = Good low temp / ETP = Viton Extreme (bridge between FKM and FFKM) * Code are examples - other options exist Viton, GF, GB, GFLT, GLT and ETP are registered trademarks of DuPont Dow elastomer.
Physical Property Differences Among Types/Families of Viton Products
Type of Viton Fluoroelastomer
Resistance to Compression Set General Fluids/Chemical Resistance Low Temperature Flexibility
A
1
3
3
B, GBL-S
2
3
3
F, GF-S
3
2
3
GLT-S
2
3
1
GFLT-S
2
2
2
ETP-S
3
1
3
1=Excellent-Best performance capability of all types; 2=Very Good; 3=Good-Sufficient for all typical fluoroelastomer applications
Relative chemical compatibility and mechanical Properties for Viton fluoroelastomers
Viton General use Types
Viton General use Types
Chemical environment
A
B
F
GBL-S
GF-S
GLT-S
GFLT-S
ETP-S
Automotive and aviation fuels “Automotive fuels oxygenated with MEOH, ETOH, MTBE, etc.” Engine lubricating oil, SE and SF Engine lubricating oil, SG and SH “Aliphatic hydrocarbon process uids, chemicals” “Aromatic hydrocarbon process uids, chemicals”
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
4
4
2
2
2
2
1
3
2
2
1
1
1
1
1
2
2
1
1
1
2
1
1
3
2
2
1
1
2
1
1
“Aqueous uids, steam, mineral acids”
2
1
1
1
1
1
1
1
“Strong base, high pH, caustic, aminos”
4
2
1
2
1
4
1
1
“Low molecular weight carbonyls 100% concentration(MTBB, MBK, MIBK, etc.)”
4
4
4
4
4
4
4
1
“Compression set and low-temperature performance” Resistance to compression set
1
2
2
2
2
2
2
2
Low-temperature exibility
2
2
3
2
3
1
1
2
1=Excellent-Best performance capability of all types; 2=Very Good; 3=Good-Sufficient for all typical fluoroelastomer applications
939
Sales : by the Nearest Distributors. International Call Center in South Korea : +82-70-50209000
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