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Viton (FKM) Chemical Resistance Chart

Viton is a premium fluoroelastomer offering the broadest chemical resistance of any elastomer. Excellent for aggressive chemicals, fuels, and high temperatures.

811 chemicals tested 20°C & 50°C data
550
Excellent (A)
97
Good (B)
175
Limited (C)
143
Not Recommended (D)

Resistance by chemical class

Most rows rated A or B
Foods and beverages 96 %; Fuels, mineral oils and aliphatic hydrocarbons 90 %; Salts and salt solutions 88 %
Fewest rows rated A or B
Ketones and aldehydes 6 %; Esters and ethers 15 %; Amines and nitrogen compounds 24 %
All rated rows, by rating
A 57 %, B 10 %, C 18 %, D 15 % (965)

Chemical classes were assigned by this site, not by the source. Mixtures and trade products without a clear class are not counted.

Viton (FPM): Resistance by chemical classMineral acids: A 71 %, B 11 %, C 10 %, D 8 %. Organic acids: A 55 %, B 8 %, C 19 %, D 19 %. Alkalis: A 41 %, B 14 %, C 23 %, D 23 %. Salts and salt solutions: A 80 %, B 8 %, C 11 %, D 1 %. Oxidising agents and halogens: A 69 %, B 8 %, C 13 %, D 10 %. Alcohols and glycols: A 53 %, B 16 %, C 19 %, D 12 %. Phenols: A 21 %, B 7 %, C 64 %, D 7 %. Ketones and aldehydes: A 6 %, C 26 %, D 69 %. Esters and ethers: A 7 %, B 8 %, C 21 %, D 63 %. Amines and nitrogen compounds: A 14 %, B 11 %, C 16 %, D 59 %. Aromatic hydrocarbons: A 50 %, B 14 %, C 36 %. Fuels, mineral oils and aliphatic hydrocarbons: A 86 %, B 4 %, C 10 %. Vegetable and animal oils, fats, essential oils: A 73 %, B 10 %, C 17 %. Halogenated hydrocarbons: A 29 %, B 4 %, C 51 %, D 16 %. Foods and beverages: A 78 %, B 17 %, C 2 %, D 2 %.Mineral acids (63)Mineral acids: A 71 % (45)A 71 %Mineral acids: B 11 % (7)BMineral acids: C 10 % (6)CMineral acids: D 8 % (5)DOrganic acids (64)Organic acids: A 55 % (35)A 55 %Organic acids: B 8 % (5)BOrganic acids: C 19 % (12)C 19 %Organic acids: D 19 % (12)D 19 %Alkalis (22)Alkalis: A 41 % (9)A 41 %Alkalis: B 14 % (3)B 14 %Alkalis: C 23 % (5)C 23 %Alkalis: D 23 % (5)D 23 %Salts and salt solutions (198)Salts and salt solutions: A 80 % (159)A 80 %Salts and salt solutions: B 8 % (15)BSalts and salt solutions: C 11 % (22)CSalts and salt solutions: D 1 % (2)Oxidising agents and halogens (62)Oxidising agents and halogens: A 69 % (43)A 69 %Oxidising agents and halogens: B 8 % (5)BOxidising agents and halogens: C 13 % (8)C 13 %Oxidising agents and halogens: D 10 % (6)DAlcohols and glycols (58)Alcohols and glycols: A 53 % (31)A 53 %Alcohols and glycols: B 16 % (9)B 16 %Alcohols and glycols: C 19 % (11)C 19 %Alcohols and glycols: D 12 % (7)DPhenols (14)Phenols: A 21 % (3)A 21 %Phenols: B 7 % (1)BPhenols: C 64 % (9)C 64 %Phenols: D 7 % (1)DKetones and aldehydes (35)Ketones and aldehydes: A 6 % (2)AKetones and aldehydes: C 26 % (9)C 26 %Ketones and aldehydes: D 69 % (24)D 69 %Esters and ethers (71)Esters and ethers: A 7 % (5)AEsters and ethers: B 8 % (6)BEsters and ethers: C 21 % (15)C 21 %Esters and ethers: D 63 % (45)D 63 %Amines and nitrogen compounds (37)Amines and nitrogen compounds: A 14 % (5)A 14 %Amines and nitrogen compounds: B 11 % (4)BAmines and nitrogen compounds: C 16 % (6)C 16 %Amines and nitrogen compounds: D 59 % (22)D 59 %Aromatic hydrocarbons (14)Aromatic hydrocarbons: A 50 % (7)A 50 %Aromatic hydrocarbons: B 14 % (2)B 14 %Aromatic hydrocarbons: C 36 % (5)C 36 %Fuels, mineral oils and aliphatic hydrocarbons (71)Fuels, mineral oils and aliphatic hydrocarbons: A 86 % (61)A 86 %Fuels, mineral oils and aliphatic hydrocarbons: B 4 % (3)Fuels, mineral oils and aliphatic hydrocarbons: C 10 % (7)CVegetable and animal oils, fats, essential oils (48)Vegetable and animal oils, fats, essential oils: A 73 % (35)A 73 %Vegetable and animal oils, fats, essential oils: B 10 % (5)BVegetable and animal oils, fats, essential oils: C 17 % (8)C 17 %Halogenated hydrocarbons (70)Halogenated hydrocarbons: A 29 % (20)A 29 %Halogenated hydrocarbons: B 4 % (3)Halogenated hydrocarbons: C 51 % (36)C 51 %Halogenated hydrocarbons: D 16 % (11)D 16 %Foods and beverages (46)Foods and beverages: A 78 % (36)A 78 %Foods and beverages: B 17 % (8)B 17 %Foods and beverages: C 2 % (1)Foods and beverages: D 2 % (1)
A very good resistanceB good resistanceC limited resistanceD not resistant
Share of each rating at 20 °C among the source rows of a class. The number in brackets is the number of rated rows; a row is one chemical at one concentration. Classes with fewer than 8 rated rows are left out.
Showing 965 chemicals
Chemical Concentration 20°C 50°C CAS
Alkaline Exhaust Gases
Abgase, alkalisch
—A–—
Hydrogen Fluoride Exhaust Gases
Abgase, fluorwasserstoffhaltig
low concentrationA–—
Carbon Dioxide Exhaust Gases
Abgase, kohlendioxidhaltig
low concentrationA–—
Nitrous Exhaust Gases
Abgase, nitrosehaltig
low concentrationA–—
Hydrochloric Acid Exhaust Gases
Abgase, salzsäurehaltig
any concentrationA–—
Sulfur Dioxide Exhaust Gases
Abgase, schwefeldioxidhaltig
low concentrationA–—
Sulfuric Acid Exhaust Gases
Abgase, schwefelsäurehaltig
any concentrationA–—
Sulfur Trioxide Exhaust Gases
Abgase, schwefeltrioxidhaltig
low concentrationA–—
Acetaldehyd
40 %DD75-07-0
Acetaldehyd
technical gradeDD75-07-0
Acetamide
Acetamid
saturatedDD60-35-5
Aceton
—DD67-64-1
Acetonitril
—C*–75-05-8
Acetophenon
—DD98-86-2
Acetyl Chloride
Acetylchlorid
100 %A–75-36-5
Acetylen
100 %A–74-86-2
Acetylsalicylic Acid (Aspirin)
Acetylsalicylsäure
100 %C*–50-78-2
Acrylnitril
—DD107-13-1
Adipinsäure
saturatedA–124-04-9
Akkusäure
38 %AA7664-93-9
Alanine
Alanin
—A*–56-41-7
Allyl Acetate
Allylacetat
100 %DD591-87-7
Allylalkohol
96 %DD107-18-6
Allyl Chloride
Allylchlorid
100 %C*–107-05-1
Allyl Mustard Oil
Allylsenföl
—C*–57-06-7
Aluminum Hydroxide Acetate
Aluminium(hydroxid)acetat
aqueousC*–139-12-8
Aluminum Ammonium Sulfate
Aluminiumammoniumsulfat
saturatedB*–7784-26-1
Aluminiumchlorid
10 %A–7784-13-6
Aluminiumchlorid
saturatedA–7784-13-6
Aluminiumchlorid
solidC*–7784-13-6
Aluminum Fluoride
Aluminiumfluorid
aqueousA–7789-18-1
Aluminiumhydroxid
—AA21645-51-2
Aluminiumnitrat
aqueousA–13473-90-0
Aluminiumoxid
solidAA1344-28-1
Aluminiumsulfat
10 %AA10043-01-3
Aluminiumsulfat
saturatedAA10043-01-3
Ameisensäure
3 %C*–64-18-6
Ameisensäure
50 %DD64-18-6
Ameisensäure
98-100 %DD64-18-6
Glycine
Aminoessigsäure
10 %A–56-40-6
Ammoniumacetat
saturatedC*–631-61-8
Ammoniumcarbonat
50 %C–10361-29-2
Ammoniumcarbonat
aqueousC–10361-29-2
Ammoniumchlorid
aqueousAA12125-02-9
Ammoniumchlorid
solidA–12125-02-9
Ammonium Dihydrogen Phosphate
Ammoniumdihydrogenphosphat
any concentrationC–7722-76-1
Ammonium Iron(II) Sulfate
Ammoniumeisen-(II)-sulfat
—A*–7783-85-9
Ammonium Iron(III) Sulfate
Ammoniumeisen-(III)-sulfat
saturatedB*–7783-83-7
Ammoniumfluorid
aqueousBC12125-01-8
Ammoniumfluorid
saturatedBC12125-01-8

* = estimated rating in the source, given without a temperature. L = risk of pitting or stress-corrosion cracking. Only chemicals with a rating for this material are listed.

Viton (FKM) Properties

Full Name Fluoroelastomer (FKM/FPM)
Brand Name Viton® (Chemours)
Max Temperature 200°C (392°F) continuous
Min Temperature -20°C (-4°F)

Common Applications

Chemical Processing

Seals and gaskets for aggressive chemical environments

Aerospace

Fuel system seals, hydraulic seals

Automotive

Fuel injector O-rings, emission system seals

Not Recommended For

Viton (FKM) may degrade when exposed to:

  • Ketones (acetone, MEK)
  • Low molecular weight esters
  • Amines
  • Hot water and steam above 150°C

Tip: For ketone resistance, consider EPDM. For steam service, EPDM is better suited.

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