O-RING SELECTION A

O-RING SELECTION GUIDE A

PLEASE SEE THE BOTTOM OF THIS PAGE FOR AN EXPLANATION OF THE CODES

Abietic Acid

C

O

Absolut Alchol

V

M

F

Acetaldehyde

E

M

F,T

Acetamide

E

C

Acetanilide

C

H

Acetate of lime

E

C

Acetate solvent

E

-

-

Acetic Acid + Methanol

E

-

-

Acetic Acid < 40 %

C

M

Acetic Acid < 5%

V,E

M

Acetic Acid > 40 %

C

M

Acetic Acid Amide

E

C

Acetic Acid Crude

E

-

-

Acetic Acid Ethenyl Ester

V,E

-

-

Acetic Acid Methyl Ester

E

-

-

Acetic Acid Vapors

V,E

-

-

Acetic Acid. Glacial

C

-

-

Acetic Aldehyde

E

-

-

Acetic Anhydride

C

C

Acetic Ester

E

C

F,E

Acetic Ether

E

C

F,E

Acetic Oxide

C

C

Acetoacetic acid

C

C

Acetol

E

C

Acetone

E

M

F

Acetone 1 % + water

E

M

Acetone Carboxylic Acid

C

C

Acetone Chloroform

C

S

T

Acetone Crboxylic Acid

C

C

Acetone Cyanohydrin

E

C

T

Acetonitrile

E

C

T,F

Acetonyl Alchol

E

C

Acetophenetidide

C

S

Acetophenetidin

C

S

Acetophenone

E

S

Acetotoluidide

C

-

-

Acetronitrine

C

-

-

Acetyl Acetone

E

S

Acetyl Benzene

E

S

Acetyl Carbinol

E

C

Acetyl Chloride

W

V

T,F

Acetyl Oxide

C

C

Acetylene

E,V

S

F,E

Acetylene Gas

E

-

F,E

Acetylene Gas with Water

B

M

-

Acetylene Tetrabromide

E,V

O

T

Acetylene Tetrachloride

V

S

T

Acetylenogen

C

D

E

Acetylmethylcarbinol

E

M

Acetylphenetidin

C

S

Acetylphenol

C

S

Aconitic Acid

C

C

Acraldehyde

E

C

F,E

Acridine

C

O

C

Acroleic Acid

C

M

O

Acrolein

E

C

F,E

Acryladehyde

E

C

F,E

Acrylic Acid

C

M

Acrylic Copolymer

C

-

-

Acryloid 954

C

-

-

Acrylonitrile

C

O

F

Adipic Acid

C

S

Advasol 210

C

-

-

Aerozene 50

(50% Hydrazine, 50% UDM)

E

-

-

Air <200F

E,V

M

Air <400F

V

-

-

Airpmatic solvent 1040

C

-

-

Alcohol (Ethyl)

E

M

Alcohol (Iso-Butyl)

V

M

Alcohol (Iso-Propyl)

E,V

M

Alcohol (Methyl)

E

M

Alcohol (Octyl)

E

M

Aldehyde Acetaldehyde

E

-

-

Aliphatic Dicarboxylic Acid

C

-

-

Alkanes

C

-

-

Alkanesulphonic Acid

C

-

-

Alkazene

V

O

Alkoxides

C

-

-

Alkoxylated amine c2,c3

C

-

-

Alkyd Resins

V

-

-

Alkyl Acetone

C

-

-

Alkyl Amine

C

-

-

Alkyl Aryl Sulphonates

C

-

-

Alkyl Arylsulphonics

C

-

-

Alkyl Benzene

V

-

-

Alkyl Benzotriazole

C

-

-

Alkyl Chloride

C

-

-

Alkyl Dimethylamine

C

-

-

Alkyl Sulfide

C

-

-

Alkylate (Light)

V

-

-

Alkylate bottoms

C

-

-

Alkylated benzene Sulfonate

C

-

-

Alkylnapthalene Sulfonic Acid

C

-

-

Allyl Acetone

C

C

T

Allyl Aldehyde

E

C

F,E

Allyl Amine

C

C

Allyl Chloride

C

O

F,T

Allyl Ketone

E

-

-

Allylidene Diacetate

C

-

-

Alpha Pineene

C

-

-

Alpha Picoline

C

-

-

Alum > 10 %

E

-

-

Alum Potash

E

-

-

Alum RT < 10 %

E

-

-

Alum Solution

V,E

-

-

Aluminum Acetate

E

O

Aluminum Bromide

E,V

V

Aluminum Chloride

(forms HCL with water

E,

V

V

Aluminum Ethylate

C

-

-

Aluminum Fluoride

E,V

S

Aluminum Fluosilicate

C

H

Aluminum Formate

C

C

Aluminum Hydrate

E

O

Aluminum Hydroxide

E

O

Aluminum Linoledate

C

-

-

Aluminum Nitrate

E,V

C

Aluminum Oxalate

C

-

-

Aluminum Oxide

B

O

Aluminum Phosphate

C

O

Aluminum Potassium Sulfate

E

C

Aluminum Salts

E,V

-

-

Aluminum silicate (clay)

E

O

Aluminum Sodium Sulfate

C

C

Aluminum Sulphate

E,V

C

Alums-NH3-CR-K

E

O

Amine: <160F°

C

O

Amines-Mixed

C

O

Amino Benzene

E

O

T

Amino Phenol

C

-

-

Aminoanthraquinone

C

O

Aminoazobenzene

E

O

Aminobenzene Sulfonic Acid

C

S

Aminobenzoic Acid

C

O

Aminoethylethanol-amine

C

-

-

Aminomethane

E

O

F,T

Aminopyridine

C

-

-

Aminosalicylic Acid

C

-

-

Ammonia alum

E

-

-

Ammonia, anhydrous

E

C

T

Ammonia: Aqueous

E

C

T

Ammonia: Compressor

N

-

-

Ammonia: Gas

E

-

-

Ammonia: Gas, Cold Liquid anhydrous

E

-

-

Ammonium Acetate

C

C

Ammonium Acid Carbonate

E

C

Ammonium Arsenate

C

-

-

Ammonium Bicarbonate

E

C

Ammonium Bichromate

C

C

F

Ammonium Bifluorid

C

C

T

Ammonium Bisulfite

C

-

-

Ammonium Bromide

C

C

Ammonium Carbamate

E

C

Ammonium Carbonate

E

H

Ammonium Chloride

V.E

C

T

Ammonium Citrate, Dibasic

C

C

Ammonium Dichromate

C

C

F

Ammonium Diphosphate

C

-

-

Ammonium Fluoride

C

C

T

Ammonium Fluosilicate

C

C

T

Ammonium Formate

C

-

-

Ammonium Hydrogen Carbonate

E

C

Ammonium Hydrogen Fluoride

C

-

-

Ammonium Hydroxide 3 Molar or concentrated

E

-

-

Ammonium Iodide

C

C

Ammonium Lactate

C

C

Ammonium Metaphosphate

C

-

-

Ammonium Molybdate

C

C

Ammonium Mono-Basic

C

-

-

Ammonium Nitrate

E

C

E

Ammonium Nitrate75%

E

-

-

Ammonium Nitrite

E

-

-

Ammonium Oxalate

C

C

T

Ammonium Perchlorate*

C

C

E

Ammonium Perchloride

C

-

-

Ammonium Persulfate 10%

B

C

F

Ammonium Persulfate Solution*

E

C

F

Ammonium Phosphate Dibasic

E

C

Ammonium Phosphate Mono basic

E

S

Ammonium Phosphate Tribasic

E

-

-

Ammonium Picrate

C

C

Ammonium Polysulfide

C

O

T

Ammonium Salicylate

C

C

Ammonium Salts

E

C

Ammonium Silicofluoride

C

C

T

Ammonium Sterate

E

O

O

Ammonium Sulfamate

C

C

E

Ammonium Sulfite

C

-

-

Ammonium Sulphate

E

C

Ammonium Sulphide

E

C

T

Ammonium Thiocyanate

C

C

Ammonium Thiocyanide

V,E

-

-

Ammonium Thioglycollate

C

C

Ammonium Thiosulfate

V,E

C

Ammonium Tribasic

C

-

-

Ammonium Tungstate

C

C

Ammonium Valerate

C

-

-

Amonoxylene

C

O

T

Amyl Acetate

E

-

E

Amyl Alcohol

E

S

E

Amyl Borate

B

-

-

Amyl Butyrate

C

-

-

Amyl Chloride

V

O

F

Amyl Chloronaphthalene

V

-

-

Amyl Cinnamic Aldehyde

C

O

Amyl Hydride

V

C

F,E

Amyl Laurate

C

-

-

Amyl Mercaptan

C

O

F

Amyl Naphthalene

V

-

-

Amyl Nitrate*

E

-

Amyl Phenol

C

C

Amyl Propionate

C

-

Amylene

E

C

F,E

Amylum

V,E

-

-

Analine Sulfate

C

-

-

Analine Sulfite

C

-

-

Anderol L-774(Di-Ester)

V

-

-

Anderol L-826 (Di-Ester)

V

-

-

Anderol L-829 (Di-Ester)

V

-

-

ANG-25 (Di ester Base) TG749

V

-

-

ANG-25 (Glyceral Ester)

V,E

-

-

Anhydrous Ammonia

E

C

T

Anhydrous Hydrazine

C

M

E

Anhydrous Hydrogen Fluoride

E

-

-

Anikline Hydrochlorine

C

-

-

Aniline

E

O

T

Aniline Dyes

E

-

T

Aniline Hydrochloride

E

C

T

Aniline Oil

E

-

-

Aniline Salts

E

C

T

Animal Oil (Lard Oil)

V

O

Anisole

C

O

Anisoyle Chloride

C

D

T

ANO-366

V

-

-

Ansul Ether 161 or 181

C

-

-

Ant Oil

E

-

-

Anthracine

C

O

C

Anthranilic Acid

C

H

T

Anthraquinone

C

O

Anti foam agent

C

-

Antichlor

V,E

C

Antimony Chlorides

E

O

Antimony Pentafluoride

C

H

Antimony Peroxide*

C

-

-

Antimony salts

B

C

T

Antimony Sulfate

C

D

T,F

Antimony Trichloride

E

O

Antimony Trifluoride

C

D

T

Antimony Trisulfate

C

D

T,F

COLUMN #2 THE O-RING (V) Viton ® grade 747-75, (E) ETHYLENE PROPYLENE, (B) BUNA N, (Bu) BUTYL, (C) CHEMRAZ OR Kalrez ®, (N) NEOPRENE

COLUMN #3 SOLUBLE IN WATER (C) COLD WATER, (H) HOT WATER , (O) NOT SOLUBLE, (S) SLIGHTLY SOLUBLE, (V) REACTS VIOLENTLY WITH WATER, (D) DECOMPOSES, (H) HYDROLIZES, (M) MISCIBLE

COLUMN #4 HAZARDOUS, NEEDS TWO SEALS (F) FIRE, (T) TOXIC, (C) CARCINOGEN, [E) EXPLOSIVE

* OXIDIZER - WILL ATTACK ALL FORMS OF CARBON
® REGISTERED TRADEMARK OF DUPONT DOW ELASTOMERS

Link to Chemical Listing Guide

For information about my CD with over 600 Seal & Pump Subjects explained, click here

Link to Mc Nally home page www.mcnallyinstitute.com

Abietic Acid	C	O
Absolut Alchol	V	M	F
Acetaldehyde	E	M	F,T
Acetamide	E	C
Acetanilide	C	H
Acetate of lime	E	C
Acetate solvent	E	-	-
Acetic Acid + Methanol	E	-	-
Acetic Acid < 40 %	C	M
Acetic Acid < 5%	V,E	M
Acetic Acid > 40 %	C	M
Acetic Acid Amide	E	C
Acetic Acid Crude	E	-	-
Acetic Acid Ethenyl Ester	V,E	-	-
Acetic Acid Methyl Ester	E	-	-
Acetic Acid Vapors	V,E	-	-
Acetic Acid. Glacial	C	-	-
Acetic Aldehyde	E	-	-
Acetic Anhydride	C	C
Acetic Ester	E	C	F,E
Acetic Ether	E	C	F,E
Acetic Oxide	C	C
Acetoacetic acid	C	C
Acetol	E	C
Acetone	E	M	F
Acetone 1 % + water	E	M
Acetone Carboxylic Acid	C	C
Acetone Chloroform	C	S	T
Acetone Crboxylic Acid	C	C
Acetone Cyanohydrin	E	C	T
Acetonitrile	E	C	T,F
Acetonyl Alchol	E	C
Acetophenetidide	C	S
Acetophenetidin	C	S
Acetophenone	E	S
Acetotoluidide	C	-	-
Acetronitrine	C	-	-
Acetyl Acetone	E	S
Acetyl Benzene	E	S
Acetyl Carbinol	E	C
Acetyl Chloride	W	V	T,F
Acetyl Oxide	C	C
Acetylene	E,V	S	F,E
Acetylene Gas	E	-	F,E
Acetylene Gas with Water	B	M	-
Acetylene Tetrabromide	E,V	O	T
Acetylene Tetrachloride	V	S	T
Acetylenogen	C	D	E
Acetylmethylcarbinol	E	M
Acetylphenetidin	C	S

Acetylphenol	C	S
Aconitic Acid	C	C
Acraldehyde	E	C	F,E
Acridine	C	O	C
Acroleic Acid	C	M	O
Acrolein	E	C	F,E
Acryladehyde	E	C	F,E
Acrylic Acid	C	M
Acrylic Copolymer	C	-	-
Acryloid 954	C	-	-
Acrylonitrile	C	O	F
Adipic Acid	C	S
Advasol 210	C	-	-
Aerozene 50
(50% Hydrazine, 50% UDM)	E	-	-
Air <200F	E,V	M
Air <400F	V	-	-
Airpmatic solvent 1040	C	-	-
Alcohol (Ethyl)	E	M
Alcohol (Iso-Butyl)	V	M
Alcohol (Iso-Propyl)	E,V	M
Alcohol (Methyl)	E	M
Alcohol (Octyl)	E	M
Aldehyde Acetaldehyde	E	-	-
Aliphatic Dicarboxylic Acid	C	-	-
Alkanes	C	-	-
Alkanesulphonic Acid	C	-	-
Alkazene	V	O
Alkoxides	C	-	-
Alkoxylated amine c2,c3	C	-	-
Alkyd Resins	V	-	-
Alkyl Acetone	C	-	-
Alkyl Amine	C	-	-
Alkyl Aryl Sulphonates	C	-	-
Alkyl Arylsulphonics	C	-	-
Alkyl Benzene	V	-	-
Alkyl Benzotriazole	C	-	-
Alkyl Chloride	C	-	-
Alkyl Dimethylamine	C	-	-
Alkyl Sulfide	C	-	-
Alkylate (Light)	V	-	-
Alkylate bottoms	C	-	-
Alkylated benzene Sulfonate	C	-	-
Alkylnapthalene Sulfonic Acid	C	-	-
Allyl Acetone	C	C	T
Allyl Aldehyde	E	C	F,E
Allyl Amine	C	C
Allyl Chloride	C	O	F,T
Allyl Ketone	E	-	-
Allylidene Diacetate	C	-	-

Alpha Pineene	C	-	-
Alpha Picoline	C	-	-
Alum > 10 %	E	-	-
Alum Potash	E	-	-
Alum RT < 10 %	E	-	-
Alum Solution	V,E	-	-
Aluminum Acetate	E	O
Aluminum Bromide	E,V	V
Aluminum Chloride
(forms HCL with water	E,	V	V
Aluminum Ethylate	C	-	-
Aluminum Fluoride	E,V	S
Aluminum Fluosilicate	C	H
Aluminum Formate	C	C
Aluminum Hydrate	E	O
Aluminum Hydroxide	E	O
Aluminum Linoledate	C	-	-
Aluminum Nitrate	E,V	C
Aluminum Oxalate	C	-	-
Aluminum Oxide	B	O
Aluminum Phosphate	C	O
Aluminum Potassium Sulfate	E	C
Aluminum Salts	E,V	-	-
Aluminum silicate (clay)	E	O
Aluminum Sodium Sulfate	C	C
Aluminum Sulphate	E,V	C
Alums-NH3-CR-K	E	O
Amine: <160F°	C	O
Amines-Mixed	C	O
Amino Benzene	E	O	T
Amino Phenol	C	-	-
Aminoanthraquinone	C	O
Aminoazobenzene	E	O
Aminobenzene Sulfonic Acid	C	S
Aminobenzoic Acid	C	O
Aminoethylethanol-amine	C	-	-
Aminomethane	E	O	F,T
Aminopyridine	C	-	-
Aminosalicylic Acid	C	-	-
Ammonia alum	E	-	-
Ammonia, anhydrous	E	C	T
Ammonia: Aqueous	E	C	T
Ammonia: Compressor	N	-	-
Ammonia: Gas	E	-	-
Ammonia: Gas, Cold Liquid anhydrous	E	-	-
Ammonium Acetate	C	C
Ammonium Acid Carbonate	E	C
Ammonium Arsenate	C	-	-
Ammonium Bicarbonate	E	C
Ammonium Bichromate	C	C	F

Ammonium Bifluorid	C	C	T
Ammonium Bisulfite	C	-	-
Ammonium Bromide	C	C
Ammonium Carbamate	E	C
Ammonium Carbonate	E	H
Ammonium Chloride	V.E	C	T
Ammonium Citrate, Dibasic	C	C
Ammonium Dichromate	C	C	F
Ammonium Diphosphate	C	-	-
Ammonium Fluoride	C	C	T
Ammonium Fluosilicate	C	C	T
Ammonium Formate	C	-	-
Ammonium Hydrogen Carbonate	E	C
Ammonium Hydrogen Fluoride	C	-	-
Ammonium Hydroxide 3 Molar or concentrated	E	-	-
Ammonium Iodide	C	C
Ammonium Lactate	C	C
Ammonium Metaphosphate	C	-	-
Ammonium Molybdate	C	C
Ammonium Mono-Basic	C	-	-
Ammonium Nitrate	E	C	E
Ammonium Nitrate75%	E	-	-
Ammonium Nitrite	E	-	-
Ammonium Oxalate	C	C	T
Ammonium Perchlorate*	C	C	E
Ammonium Perchloride	C	-	-
Ammonium Persulfate 10%	B	C	F
Ammonium Persulfate Solution*	E	C	F
Ammonium Phosphate Dibasic	E	C
Ammonium Phosphate Mono basic	E	S
Ammonium Phosphate Tribasic	E	-	-
Ammonium Picrate	C	C
Ammonium Polysulfide	C	O	T
Ammonium Salicylate	C	C
Ammonium Salts	E	C
Ammonium Silicofluoride	C	C	T
Ammonium Sterate	E	O	O
Ammonium Sulfamate	C	C	E
Ammonium Sulfite	C	-	-
Ammonium Sulphate	E	C
Ammonium Sulphide	E	C	T
Ammonium Thiocyanate	C	C
Ammonium Thiocyanide	V,E	-	-
Ammonium Thioglycollate	C	C
Ammonium Thiosulfate	V,E	C
Ammonium Tribasic	C	-	-
Ammonium Tungstate	C	C
Ammonium Valerate	C	-	-
Amonoxylene	C	O	T
Amyl Acetate	E	-	E

Amyl Alcohol	E	S	E
Amyl Borate	B	-	-
Amyl Butyrate	C	-	-
Amyl Chloride	V	O	F
Amyl Chloronaphthalene	V	-	-
Amyl Cinnamic Aldehyde	C	O
Amyl Hydride	V	C	F,E
Amyl Laurate	C	-	-
Amyl Mercaptan	C	O	F
Amyl Naphthalene	V	-	-
Amyl Nitrate*	E	-
Amyl Phenol	C	C
Amyl Propionate	C	-
Amylene	E	C	F,E
Amylum	V,E	-	-
Analine Sulfate	C	-	-
Analine Sulfite	C	-	-
Anderol L-774(Di-Ester)	V	-	-
Anderol L-826 (Di-Ester)	V	-	-
Anderol L-829 (Di-Ester)	V	-	-
ANG-25 (Di ester Base) TG749	V	-	-
ANG-25 (Glyceral Ester)	V,E	-	-
Anhydrous Ammonia	E	C	T
Anhydrous Hydrazine	C	M	E
Anhydrous Hydrogen Fluoride	E	-	-
Anikline Hydrochlorine	C	-	-
Aniline	E	O	T
Aniline Dyes	E	-	T
Aniline Hydrochloride	E	C	T
Aniline Oil	E	-	-
Aniline Salts	E	C	T
Animal Oil (Lard Oil)	V	O
Anisole	C	O
Anisoyle Chloride	C	D	T
ANO-366	V	-	-
Ansul Ether 161 or 181	C	-	-
Ant Oil	E	-	-
Anthracine	C	O	C
Anthranilic Acid	C	H	T
Anthraquinone	C	O
Anti foam agent	C	-
Antichlor	V,E	C
Antimony Chlorides	E	O
Antimony Pentafluoride	C	H
Antimony Peroxide*	C	-	-
Antimony salts	B	C	T
Antimony Sulfate	C	D	T,F
Antimony Trichloride	E	O
Antimony Trifluoride	C	D	T
Antimony Trisulfate	C	D	T,F