Beständigkleitsliste A
| Medium | PVC | PE | PU | EVA | PA | TPK | MQ | EPDM | EPR | NR | NBR | CR | SBR | XLPE | PTFE | CSM |
| Acetal | - | - | - | - | - | 1 | - | 1 | - | - | - | - | - | 1 | 1 | - |
| Acetaldehyd (Äthanal) | 3 | 1 | 3 | 2 | 2 | 1 | 3 | 1 | - | - | - | 3 | 3 | 1 | 1 | - |
| Acetamid | - | - | - | - | 1 | 2 | - | 2 | - | - | 2 | 2 | 3 | 1 | 1 | - |
| Aceton (Dimethylketon, Propanon) | 3 | 1 | 3 | 3 | 1 | 1 | 3 | 2 | 1 | 3 | - | 3 | 3 | 1 | 1 | 2 |
| Acetophenon | - | - | - | - | - | 2 | 3 | 1 | - | - | - | - | - | 1 | 1 | - |
| Acetylaceton | 3 | 3 | 3 | - | - | 3 | 3 | 1 | - | - | - | - | - | 1 | 1 | - |
| Acetylchlorid (Essigsäurechlorid) | - | - | 3 | - | - | - | - | - | - | - | - | - | - | 2 | 1 | - |
| Acetylen | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 1 | 2 | 2 | 1 | 1 | 1 |
| Acetylendichlorid | - | - | - | - | - | - | - | 3 | - | - | - | - | - | 1 | - | - |
| Acrylnitril | 3 | 1 | 3 | - | 1 | - | 2 | 3 | - | - | - | - | - | 1 | - | - |
| Acrylsäure | - | - | - | - | - | - | - | 3 | - | - | - | - | - | 1 | - | - |
| Adipinsäure, wäßrig | 1 | 1 | 3 | - | - | - | - | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - |
| Allychlorid | 3 | 3 | 3 | - | - | 3 | 1 | - | - | - | - | - | - | - | - | - |
| Aluminiumacetat (wässrig) | 1 | 1 | - | - | - | - | 3 | - | - | - | - | 1 | - | 1 | - | - |
| Aluminiumchloridlösung | 1 | 1 | 2 | 1 | 1 | 1 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Aluminiumfluorid | 1 | 1 | 3 | - | 1 | 1 | 1 | - | - | - | - | 1 | - | 1 | - | - |
| Aluminiumhydroxid | 1 | 1 | 2 | - | - | 1 | 1 | 1 | - | - | - | - | - | 1 | - | - |
| Aluminiumnitrat | 1 | - | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Aluminiumphosphat (wässrig) | 1 | 1 | - | - | - | 1 | 1 | - | - | - | - | 1 | - | 1 | - | - |
| Aluminiumsulfat | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Ameisensäure | 2 | 1 | 3 | 1 | 3 | 1 | 2 | 2 | 1 | 2 | 2 | 2 | 1 | 2 | 1 | 1 |
| Aminobenzol (Anilin) | 2 | 1 | 3 | - | 2 | 3 | 2 | 1 | - | 2 | - | 3 | 2 | 1 | - | - |
| Ammoniak (Gas) | 1 | 1 | 3 | - | - | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| Ammoniak, flüssig | 2 | 1 | 3 | - | - | 2 | 3 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | - | - |
| Ammoniak, wasserfrei | 1 | 1 | 3 | - | - | 2 | 1 | 1 | 1 | 1 | 1 | 2 | - | 1 | 1 | 2 |
| Ammoniumcarbonat | 1 | 1 | 3 | 3 | 1 | 1 | 3 | 1 | - | 3 | 1 | 1 | - | - | - | - |
| Ammoniumchlorid (wässrig) | 1 | 1 | 2 | - | - | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Ammoniumdiphosphat (wässrig) | 1 | 1 | 1 | - | - | 1 | 1 | - | - | - | - | 1 | - | 1 | 1 | - |
| Ammoniumhydroxidlösung | 2 | 2 | 3 | - | 1 | 1 | 1 | 2 | 1 | - | - | 1 | - | 1 | 1 | 1 |
| Ammoniummetaphosphat | 1 | 1 | 1 | - | - | 1 | 1 | - | - | - | - | 1 | - | 1 | - | - |
| Ammoniumnitrat (wässrig) | 1 | 1 | - | - | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | - |
| Ammoniumnitrit | - | 1 | 2 | - | - | - | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Ammoniumpersulphat (wässrig) | 1 | 1 | 2 | - | - | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Ammoniumphosphat (wässrig) | 1 | 1 | 1 | - | - | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Ammoniumsulfat | 1 | 1 | 1 | - | - | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Ammoniumthiocynat | 1 | 1 | 2 | - | - | 1 | 1 | 2 | 1 | 1 | 1 | - | 1 | 1 | 1 | - |
| Amylacetat | 3 | 2 | 3 | 2 | - | 1 | 3 | - | 3 | - | - | - | - | 1 | 1 | 3 |
| Amylalkohol | 2 | 1 | 2 | - | - | 1 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| Amylborat | - | - | - | - | - | 1 | - | 1 | - | - | - | 1 | - | 1 | - | - |
| Amylchlorid | 3 | 3 | 3 | - | - | 3 | 2 | 1 | - | - | - | - | - | 1 | - | - |
| Anilin (Aminobenzol) | 2 | 1 | 3 | - | 2 | 3 | 2 | 1 | - | 2 | - | 3 | 2 | 1 | 1 | 2 |
| Anilinfarbstoffe | 1 | 2 | 3 | - | - | 2 | 2 | - | - | - | - | 2 | - | - | - | - |
| Antimonchlorid (50%) | 1 | 1 | 2 | - | - | 1 | 3 | - | - | - | - | 1 | - | - | - | - |
| Apfelsäure | 1 | 1 | 2 | - | - | 1 | 1 | 1 | - | - | - | 1 | - | 1 | 1 | 1 |
| Argon | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Arsensäure | 1 | 1 | 3 | - | 1 | 1 | 2 | 1 | 1 | 1 | - | 1 | - | 1 | - | - |
| Asphalt | 2 | 1 | 2 | - | - | 3 | 2 | - | - | - | - | 2 | - | - | - | - |
| ASTM-Kraftstoff Nr. 1 | - | - | 1 | - | 1 | 3 | - | 3 | - | - | - | - | - | 1 | 1 | 1 |
| ASTM-Kraftstoff Nr. 2 | - | - | 3 | - | 1 | 3 | - | 3 | - | - | - | - | - | 1 | 1 | 3 |
| ASTM-Kraftstoff Nr. 3 | - | - | 3 | - | 1 | 3 | - | 1 | - | - | - | - | - | 1 | 1 | 3 |
| ASTM-Öl Nr. 1 | - | - | 1 | - | 1 | 3 | 2 | 1 | - | - | - | - | - | 1 | 1 | 1 |
| ASTM-Öl Nr. 2 | - | - | 1 | - | 1 | 3 | 3 | 1 | - | - | - | - | - | 1 | 1 | 2 |
| ASTM-Öl Nr. 3 | - | - | 2 | - | 1 | 3 | 3 | 3 | - | - | - | - | - | 1 | 1 | 2 |
| Äthan (Gas) | 1 | 1 | 1 | - | - | - | 3 | 3 | 3 | 3 | 1 | 2 | 3 | 1 | 1 | - |
| Äthanal (Acetaldehyd) | 3 | 1 | 3 | 2 | 2 | 1 | 3 | 1 | - | - | - | 3 | 3 | 1 | 1 | - |
| Äthanol | 1 | 1 | 1 | - | 1 | 1 | 2 | 1 | - | - | - | - | - | 1 | 1 | - |
| Äthanol-1,2 (Äthylenglykol, Glykol) | 1 | 1 | - | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Äthanolamin | - | 1 | 3 | - | - | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | - |
| Äther | 1 | 2 | 2 | - | 1 | 2 | 3 | 3 | - | - | - | - | - | 1 | 1 | - |
| Äthylacetat (Essigester, Essigsäureäthylest | 3 | 1 | - | - | 1 | - | 3 | 2 | 1 | 3 | 3 | 3 | 3 | 1 | 1 | 2 |
| Äthylacrylat | 3 | 2 | 3 | - | 1 | - | 3 | 3 | - | - | - | 3 | - | 1 | - | - |
| Äthylalkohol | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Äthyläther | - | - | 3 | - | 1 | 3 | - | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 1 | - |
| Äthylbenzoat | - | - | - | - | - | - | - | 2 | 1 | 1 | 3 | 3 | 1 | 2 | - | - |
| Äthylbenzol | 3 | 2 | 3 | 3 | - | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | - | - |
| Äthylbromid | 3 | 2 | 2 | - | - | 2 | 3 | - | - | - | - | 3 | - | - | - | - |
| Äthylchlorid | 3 | 2 | 2 | - | - | 2 | 3 | 3 | 3 | 3 | 1 | 3 | 3 | 1 | 1 | 3 |
| Äthylenchlorid | 3 | 3 | 3 | - | - | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | - | - |
| Äthylendiamin | 3 | 1 | 3 | - | 1 | 2 | 3 | 2 | 1 | 1 | 1 | 2 | 2 | 1 | - | - |
| Äthylendichlorid | 3 | 2 | 3 | - | - | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 1 | 3 |
| Äthylenglykol (Glykol, 1,2-Äthanol) | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Äthylenoxid | 3 | 3 | 3 | - | 1 | 3 | 3 | 3 | - | - | - | - | - | - | 1 | 3 |
| Äthylglykol | 3 | 1 | 3 | - | - | 3 | - | 3 | - | - | - | - | - | 1 | 1 | 1 |
| Äthylglykolacetat | - | 1 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Ätzkali (Kaliumhydroxid, Kalilauge) | 1 | 1 | 1 | - | - | 1 | 3 | 2 | 1 | 2 | 2 | 2 | 2 | 1 | - | - |