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Chart 4

Chemical Resistance Legend

A - No Effect - Acceptable

B - Minor Effect - Acceptable

C - Moderate Effect - Questionable

D - Severe effect - Not Recommended

Material Legend

1 - 303 Stainless Steel	2 - 304 Stainless Steel	3 - 316 Stainless Steel
4 - 440 Stainless Steel	5 - Aluminum	6 - Titanium
7 - Hastelloy C	8 - Cast Bronze	9 - Brass
10 - Cast Iron	11 - Carbon Steel	12 - PVC
13 - Teflon	14 - Noryl	15 - Nylon
16 - Polyethylene	17 - Polypropylene	18 - Ryton
19 - Carbon	20 - Ceramic	21 - Viton(R)*
22 - Buna N	23 - Silicon	24 - Neoprene
25 - Ethylene Proplyene	26 - Natural Rubber	27 - Epoxy

*Viton(R) is a registered trademark of DuPont Dow Elastomers

Chemical

Material

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

Heptane

A

-

A

-

A

-

A

A

-

-

B

A

A

D

A

D

D

A

A

A

A

A

-

B

D

-

A

Hexane

A

A

A

-

A

-

A

B

-

-

B

C

A

D

A

-

C

A

A

A

A

A

B

B

D

D

A

Hexyl Alcohol

-

A

A

-

A

A

A

A

C

-

A

A

-

A

A

-

A

-

A

A

A

A

D

B

A

A

A

Honey

-

A

A

-

A

-

-

A

-

A

-

A

-

A

A

-

A

-

A

A

A

A

-

A

A

-

A

Hydraulic Oils (Petroleum)

A

A

A

-

A

-

-

B

-

A

A

-

A

-

A

-

D

-

A

A

A

A

-

B

D

D

A

Hydraulic Oils (Synthetic)

-

A

A

-

A

-

-

A

-

A

-

-

-

-

A

-

D

-

A

A

A

C

D

-

-

-

A

Hydrazine

-

A

A

-

-

-

-

-

-

C

-

-

-

-

-

-

-

-

A

-

A

B

D

B

A

C

A

Hydrobromic Acid 20%

-

-

D

-

-

A

A

-

-

-

-

A

A

A

D

-

A

-

-

B

A

D

-

C

-

-

B

Hydrobromic Acid

D

D

D

D

D

A

A

D

-

D

D

A

A

C

D

B

B

-

A

A

A

D

D

D

A

A

A

Hydrochloric Acid
(Dry Gas)

D

C

A

-

D

-

A

-

-

-

D

A

A

-

-

-

-

-

A

-

-

-

-

-

A

-

A

Hydrochloric Acid (20%)

-

D

D

D

D

C

B

D

-

D

-

A

A

A

D

A

A

D

A

A

A

C

-

C

A

C

A

Hydrochloric Acid (37%)

-

D

D

D

D

C

B

D

-

D

-

A

A

A

D

A

A

D

A

C

A

C

C

C

C

D

A

Hydrochloric Acid 100%

-

D

D

-

D

D

C

D

-

D

-

A

A

-

D

A

-

-

A

C

C

D

-

C

-

A

A

Hydrocyanic Acid

A

A

A

C

A

A

A

D

D

-

C

A

A

A

A

B

A

-

A

A

A

C

-

B

-

A

A

Hydrocyanic Acid (Gas 10%)

-

D

D

-

-

-

-

-

-

-

-

A

A

-

-

-

-

-

-

-

-

-

-

C

A

C

A

Hydrofluoric Acid (20%)1

-

D

D

D

D

D

B

D

-

D

-

D

A

A

D

C

A

C

B

C

A

D

-

C

A

C

B

Hydrofluoric Acid (75%)

-

C

D

-

D

D

C

D

-

D

-

C

A

D

D

C

B

C

D

D

A

D

D

D

C

C

C

Hydrofluoric Acid 100%

D

D

D

-

D

D

B

D

-

D

D

C

A

-

-

D

-

C

D

D

-

D

-

D

-

D

A

Hydrofluosilicic Acid (20%)

-

D

D

-

D

D

B

A

-

D

-

D

A

B

D

-

A

-

A

D

A

B

-

B

A

A

C

Hydrofluosilicic Acid

-

D

D

-

C

-

C

D

-

-

-

-

A

-

-

-

-

-

A

-

-

-

D

A

-

-

-

Hydrogen Gas

A

A

A

-

A

-

-

A

-

B

B

A

A

-

-

-

-

-

-

-

A

-

-

-

-

-

A

Hydrogen Peroxide 10%

-

C

C

-

A

C

A

D

D

D

-

A

A

-

B

A

-

B

A

A

-

A

-

D

-

C

D

Hydrogen Peroxide 30%

-

-

B

-

-

B

A

-

D

-

-

A

A

-

B

-

A

C

-

-

A

D

-

C

-

-

B

Hydrogen Peroxide

-

A

B

A

A

B

A

D

D

D

D

A

A

B

B

B

A

C

-

A

A

D

C

D

C

C

A

Hydrogen Sulfide, Aqueous Solution

-

A

A

C

C

A

A

D

C

D

-

A

A

A

B

B

A

A

A

A

B

C

-

B

A

D

A

Hydrogen Sulfide (Dry)

A

C

A

-

D

-

A

D

C

B

B

A

A

-

B

-

-

A

-

A

A

-

-

-

-

A

A

Hydroxyacetic Acid (70%)

-

-

-

-

D

B

-

-

-

-

-

A

-

-

-

-

-

-

A

A

A

A

-

A

A

-

A

Ink

A

A

A

-

C

-

-

C

-

D

D

-

-

B

A

B

-

-

A

A

A

A

-

A

-

-

A

Iodine

-

D

D

D

D

A

B

D

-

D

-

D

A

A

D

D

D

-

D

A

A

B

-

D

B

D

A

Iodine (In Alcohol)

-

-

B

-

-

D

A

-

-

-

-

D

A

C

D

-

B

-

-

A

A

D

-

D

-

-

-

Iodoform

B

D

A

-

A

-

-

C

-

C

B

-

A

-

A

-

-

-

-

-

C

-

-

-

-

-

-

IRON PLATING

Ferrous Chloride Bath 190º F

-

-

D

-

-

A

D

-

-

-

-

D

A

A

D

-

C

-

-

A

A

B

-

D

-

-

D

Ferrous Sulfate Bath 150º F

-

-

C

-

-

A

A

-

-

-

-

D

A

A

D

-

A

-

-

A

A

A

-

B

-

-

D

Ferrous Am. Sulfate Bath 150º F

-

-

C

-

-

A

A

-

-

-

-

D

A

A

D

-

A

-

-

A

A

A

-

B

-

-

D

Sulfate-Chloride Bath 160º F

-

-

D

-

-

A

D

-

-

-

-

D

A

A

D

-

A

-

-

A

A

B

-

C

-

-

D

Fluoborate Bath 145º F

-

-

D

-

-

D

B

-

-

-

-

D

A

A

D

-

A

-

-

D

A

B

-

C

-

-

D

Sulfamate 140º F

-

-

D

-

-

A

B

-

-

-

-

A

A

A

D

-

A

-

-

A

A

A

-

A

-

-

A

Isobutyl Alcohol

-

A

A

-

B

A

A

A

C

-

A

-

-

A

A

-

-

-

A

A

A

C

B

A

A

A

A

Isopropyl Alcohol

-

A

A

-

B

A

A

A

C

C

A

-

-

A

A

-

A

-

A

A

A

C

C

B

A

A

A

Isopropyl Acetate

-

-

B

-

C

-

-

-

-

-

-

-

-

-

-

-

-

-

A

A

D

D

-

D

B

D

A

Isopropyl Ether

A

-

A

-

A

-

-

A

-

-

A

-

A

D

-

-

D

-

A

A

D

B

-

D

D

D

-

Isotane

-

-

-

-

A

-

-

-

-

-

-

-

-

D

-

-

D

-

-

A

A

A

-

-

-

D

A

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