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 | Action A - little or none, B - moderate, C - strong, S - unknown |
| Natural rubber | Buna-N (NBR) | EPDM | Hypalon |
Faeces | A | A | A | A |
Ferric Oxide | A | A | A | A |
Ferriferous Chloride(338K) | A | A | A | A |
Ferro Hydroxide (Fe(Oh)3) | C | C | A | A |
Flexol 300 | S | S | S | C |
Fluoboric | A | B | A | A |
Fluoric Acid | C | C | B | A |
Fluorine Benzene | C | C | C | C |
Fluorine Boric Acid 65% | C | C | C | A |
Fluorine Silicon Acid | S | C | S | A |
Fluorsilicon Acid 50 % | S | C | S | A |
Formaldehyde 37% | A | B | A | B |
Formaldehyde 40% 343K | C | C | A | C |
Formamide (Formylamine) | A | B | A | A |
Formic Acid | C | C | B | C |
Freon 11 | C | C | C | C |
Freon 112 | C | C | C | C |
Freon 114 | C | C | C | C |
Freon 115 | C | C | C | C |
Freon 12 Liquid | C | C | C | C |
Freon 13 | C | C | C | C |
Freon 14 | C | C | C | C |
Freon 21 | C | C | C | C |
Freon 22 | C | C | C | C |
Freon 31 | C | C | C | C |
Freon C 316 | C | C | C | C |
Freon C 318 | C | C | C | C |
Fuel Oil | C | B | C | C |
Fuming Sulphuric Acid (Oleum) | C | C | B | B |
Furan | C | C | C | C |
Furfural | C | C | C | C |
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