| 
																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																					
									                                    																																						
																																									| halones (CFC, BrCFC) |  |  
									                                    																																						
																																									| heat transfer oils |  |  
									                                    																																						
																																									| hexahydropthalic acid anhydride |  |  
									                                    																																						
																																									| hexaldehyde |  |  
									                                    																																						
																																									| hexamethylenediamine |  |  
									                                    																																						
																																									| hot water |  |  
									                                    																																						
																																									| hydraulic oil, glycol based |  |  
									                                    																																						
																																									| hydraulic oil, mineral oil based |  |  
									                                    																																						
																																									| hydraulic oil, phosphoric acid based |  |  
									                                    																																						
																																									| hydraulic oil, rape oil based |  |  
									                                    																																						
																																									| hydrazine hydrate |  |  
									                                    																																						
																																									| hydriodic acid |  |  
									                                    																																						
																																																																| hydrochloric acid 1 |  |  
									                                    																																						
																																									| hydrocyanic acid |  |  
									                                    																																						
																																																																| hydrofluoric acid 1 |  |  
									                                    																																						
																																																																| hydrogen 1 |  |  
									                                    																																						
																																									| hydrogen bromide, aqueous solution |  |  
									                                    																																						
																																																																| hydrogen bromide, dry 1 |  |  
									                                    																																						
																																									| hydrogen chloride,dry, 50°C |  |  
									                                    																																						
																																																																| hydrogen peroxide, <85% 1 |  |  
									                                    																																						
																																									| hydrogen sulphide, <150°C |  |  
									                                    																																						
																																									| hydroquinone |  |  
									                                    																																						
																																									| hydroxylamine sulphate |  |  
						
							|  |  |  
                                | 1 In cases of insufficient resistance, gaskets can be fitted with an inner eyelet of resistant metal for satisfactory results. Details on request. 
 |  
							|  |  |  |