Viton® O-Rings - FKM Gaskets - Fluoroelastomer Seals

Viton® O-Rings
Viton® O-Rings

Order Viton ® O-Rings from the World’s Largest Viton ® O-Ring Inventory Network:

Viton ® o-rings from Marco Rubber offer excellent compatibility with a range of chemicals, oils and resist high temperatures up to 400F. Viton ® is also known as FKM made of fluoroelastomer one of the most versatile and widely used sealing materials.

Marco Rubber stocks all USA standard Viton ® O-Rings sizes, thousands of metric Viton ® O-Ring and non-standard sizes. When not in stock most custom Viton ® O-Rings can be made in a few weeks without tooling fees.

FKM and Viton ® material types for high temperature seals and chemical resistant gaskets include the following specific types: A, B, F, GLT, GFLT, XLT, ULT, ETP, TBR. View the chart below or contact our experts to learn which is best for your application.

Recommended Use Not Recommended For Mechanical Properties
Vacuum
Most Acids / Chemicals
Halogenated Hydrocarbons
Di-Ester Lubricants
Petroleum Oils / Fuels
Silicone Oils / Greases
Ketones (MEK)
Auto / Aircraft Brake Fluids
Amines (Ammonia)
Acetone, Skydrol, Ethyl Acetate
Hot Water and Steam (except specialty grades)
Low Molecular Esters and Ethers
Good Wear Resistance
Excellent Comp. Set Resistance
Moderate Short-Term Resilience
Excellent Permeation Resistance

Order Viton® O-Rings from the world’s largest Viton® O-Rings inventory network.
FKM and Viton® Material Types: A, B, F, GLT, GFLT, XLT, ULT, ETP, TBR
High Temperature Viton® Seals and Chemical Resistant Viton® Gaskets.

FKM Type Comparison Chart

FKM Viton ® Type

A

B

F

GF

GLT

GFLT

XLT

ULT

ETP

Aflas ®

BRFKM

Marco Commodity Compound number

V1000

V1032

V1088

V1081

V1038

V1033

V1086

V1166

V1020

L1000

L1010

Relative Pricing O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1
Availability O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Price Comparison 1 O-ring Inventory Comparison 3 O-ring Inventory Comparison 3 O-ring Inventory Comparison 2 O-ring Inventory Comparison 2 O-ring Inventory Comparison 4 O-ring Inventory Comparison 4 O-ring Inventory Comparison 3

H2S %

2 5 5 5 5 5 10 10 5 20 40

High Temperature Performance F° (C°)
(Basic Static Applications)

437 (225) 437 (225) 437 (225) 437 (225) 437 (225) 437 (225) 437 (225) 437 (225) 437 (225) 450 (232) 450 (232)

Low Temperature Performance F° (C°)
(Basic Static Applications)

-15 (-26) -11 (-24) 1 (-17) 3 (-16) -40 (-40) -29 (-34) -54 (-48) -65 (-54) -6 (-21) 25 (-4) 1 (-17)
TR-10 Low Temperature Flexibility F° (C°) 1 (-17) 7 (-14) 20 (-7) 21 (-6) -22 (-30) -11 (-24) -40 (-40) -49 (-45) 12 (-11) 37 (3) 20 (-7)
Strong Base, high pH, Caustic, Amines Rating Symbol Not Recommended Rating Symbol Not Recommended Rating Symbol Not Recommended Rating Symbol Not Recommended Rating Symbol Not Recommended Rating Symbol Not Recommended Rating Symbol Not Recommended Rating Symbol Not Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Recommended
Low Molecular Weight Carbonyls 100%
concentration (MTBB, MBK, MIBK, etc.)
Rating Symbol Not Recommended Rating Symbol Not Recommended Rating Symbol Not Recommended Rating Symbol Not Recommended Rating Symbol Not Recommended Rating Symbol Not Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Recommended
Engine Lubricating Oil, SG and SH Rating Symbol Not Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Excellent Recommended Rating Symbol Recommended Rating Symbol Excellent Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended
Aqueous fluids, steam, mineral acids
(H2So4, HNO2)
Rating Symbol Not Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended
Aromatic Hydrocarbons (toluene, etc.) Rating Symbol Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Recommended Rating Symbol Excellent Recommended
Automotive Fuels Oxygenated with
MEOH, ETOH, MTBE, etc.
Rating Symbol Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended
Engine Lubricating Oil, SE and SF Rating Symbol Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended
Resistance to Compression Set Rating Symbol Excellent Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Recommended Rating Symbol Recommended
Automotive and Most Aviation Fuels Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended Rating Symbol Excellent Recommended

Rating Scale: Rating Symbol Excellent Recommended = Excellent Rating Symbol Recommended = Good Rating Symbol Not Recommended = Not Recommended

FKM and Viton® O-Rings Material Compound Comparison:

Hundreds more specialty compounds available. Contact a Marco Sales Consultant or Engineer for more information.

Marco Compound Number Datasheet Hardness
(Shore A)
Color Low Temp.
°F (°C)
High Temp.
°F (°C)

Features

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75 Black -15 (-26) 437 (225) General purpose, low cost & high inventory FKM
75 Black -15 (-26) 437 (225) AMS-R-83248 M83248/1-### PER MIL-R-83248 TY-1 CL-1, available in a UL recognized grade, compare to Parker V0747-75
75 Brown -15 (-26) 437 (225) Brown FKM Viton, improved oxidation resistance, compare to Parker V884-75
90 Black -15 (-26) 437 (225) M83248/2-### PER MIL-R-83248C TY 1 CL 2, compare to Parker V0709-90
75 Black -40 (-40) 437 (225) M83485/1-XXX PER MIL-R-83485 GLT-type FKM Improved low temp resistance, compare to Parker VM835-75
90 Black -15 (-26) 437 (225) General purpose high durometer, good in high pressure and dynamic applications, compare to Parker VA153-90
50 Black -15 (-26) 437 (225) General purpose softer FKM, compare to Parker V0986-50
60 Black -15 (-26) 437 (225) General purpose softer FKM, compare to Parker V0769-60 and Parco 9009-60
75 White -15 (-26) 437 (225) White FKM, improved oxidation resistance, compare to Parker V1033-70
75 Black -15 (-26) 437 (225) Internally lubricated with PTFE, reduces surface friction and sticking, similar to Parker V0848-75
75 Black -6 (-21) 437 (225) Viton® ETP, base resistant , best chemically resistant FKM, compare to Parker V1260-75
75 Black -29 (-34) 437 (225) Viton GFLT® recommended for Oxygenated Automotive Fuels (containing MeOH, EtOH, MTBE, etc. and Aromatic Hydrocarbon Process Fluid Chemicals. Compare to Parker V7594B
75 Black -40 (-40) 437 (225) Viton GLT® Low temperature resistance, improved Water, Steam and Mineral Acids resistance
95 Black -15 (-26) 437 (225) Very hard extrusion resistant type A FKM, compare to Parker V1238-95 and Parco 9021-95
75 Black -15 (-26) 437 (225) FDA and 3A compliant
75 Black 3 (-16) 437 (225) Viton® GF-S best value for widest chemical resistance FKM
90 Black -40 (-40) 437 (225) AED and extrusion resistant GLT type FKM
75 Black -54 (-48) 437 (225) Extended low temperature FKM, Wide chemical resistance including H2S and Oxygenated fuels, compare to Parker V1289-75
75 Black +1 (-17) 437 (225) Viton® F material for increased solvent and general chemical resistance
90 Black -40 (-40) 437 (225) AED resistant Viton GLT®, Norsok M710 and NACE TM0297 tested
70 White -15 (-26) 437 (225) USP class VI medical grade, USDA 3A and FDA compliant
70 Black -15 (-26) 437 (225) Metal detectable, FDA compliant type A FKM
90 Black -50 (-46) 437 (225) AED resistant, Norsok M710 and NACE T0297 tested Wide chemical resistance including H2S and Oxygenated fuels.
70 Black -54 (-48) 437 (225) Ultra-low temperature FKM commercial grade Wide chemical resistance including H2S and Oxygenated fuels.
60 Black -40 (-40) 437 (225) Terpolymer GLT type for low temperature applications
75 Brown -15 (-26) 437 (225) NSF51 compliant for food contact

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FKM and Viton® O-Rings Temperature Range:

The temperature ranges presented above are approximations for dry air service only and should not be used to determine design specifications or end-use temperature limits. Actual temperature range of a compound in an end-use application is highly dependent on part type, hardware configuration, applied forces, chemical media, pressure and thermal cycling effects, and other factors. The most practical way of determining an end-use temperature range is testing in the actual application conditions. Consult a Marco Engineer for more details.

FKM Trade Names:

Viton®, Fluorel®, Technoflon®, Dai-El®

Common Names:

FKM, FPM (Europe), Fluoropolymer, Fluoroelastomer

FKM and Viton® O-Rings Features:

Limitations:

FKM and Viton® O-Rings Specialty Performance Polymer Types:

A, B, F, GLT, GFLT, XLT, ULT, ETP, TBR

Viton Heat Resistance Comparison Viton Cure System Performance Comparison


FKM and Viton® O-Rings Compound and Product Options:

Not a complete list of offerings. Please contact a Marco Sales Consultant or Engineer to discuss additional options. See Popular Compounds list below for compound examples.

  • Internal Lubrication with Silicone oil, Moly and Graphite
  • High purity translucent
  • UL Listed
  • Conductive
  • WRAS, KTW and NSF 51/61 Compliant
  • USP class VI and 3A approved
  • Explosive Decompression Resistant
  • Metal and X-ray detectable
  • Increased steam resistance
  • DuPont Viton® specific
  • Specific and Tight Tolerance
  • Specific AQL Inspection requirement
  • Surface free of silicone oil
  • PTFE or Parylene Coated in choice color
  • Special tumbling for complete flash removal
  • Talcum powder on surface to reduce sticking
  • Specific packaging requirements
  • Special bag and Label requirements
  • Variety of colors available

Fluoroelastomers are referred to generically as FKM polymers per the nomenclature noted in ASTM D1418. In the SAE J200 ASTM D2000 classification system for rubber materials Fluoroelastomers are documented as a “HK”.




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Existing Customer Specialist: 800-775-6525 or repeat customers

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PO Box 1150
Seabrook, NH 03874

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