| ferrous salt, see salts | 
										
										  | 
																											 
																													
									                                    																																						
																																																																| flue gas 1 | 
										
										  | 
																											 
																													
									                                    																																						
																																									| fluoranilines | 
										
										  | 
																											 
																													
									                                    																																						
																																																																| fluorine 1 | 
										
										  | 
																											 
																													
									                                    																																						
																																									| formaldehyde, aqueous solution (Formaline) | 
										
										  | 
																											 
																													
									                                    																																						
																																									| formamide | 
										
										  | 
																											 
																													
									                                    																																						
																																									| formic acid | 
										
										  | 
																											 
																													
									                                    																																						
																																									| formic acid | 
										
										  | 
																											 
																													
									                                    																																						
																																									| formic acid | 
										
										  | 
																											 
																													
									                                    																																						
																																									| formic acid | 
										
										  | 
																											 
																													
									                                    																																						
																																									| Freons, Frigens (CFC, BrCFC) | 
										
										  | 
																											 
																													
									                                    																																						
																																									| Fuel B | 
										
										  | 
																											 
																													
									                                    																																						
																																									| fuel oil (light or heavy) | 
										
										  | 
																											 
																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																												 
                                        								
									
						
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                                1 In cases of insufficient resistance, gaskets can be fitted with an inner eyelet of resistant metal for satisfactory results. Details on request.
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