Product Specifications
The production is monitored on-line and the quality control includes an odour check by a selected panel. Shell offers DME in two grades:
DME 99.99
This unique quality 鈥� virtually odourless 鈥� deserves the qualification DME 99.99. This extreme purity is optimal for the cosmetic industry with its high quality standard.
| Eigenschaften Properties | Einheit Unit | Grenzwerte/Requirement (Minimum) | Grenzwerte/Requirement (Maximum) | Prufverharen Test Method |
|---|---|---|---|---|
| Zusammensetzung / Composition | NA | NA | NA | NA |
| Dimethylether Dimethylether | %(m/m) | 99,99 | NA | Hausmethode internal method |
| Kohlendioxide,C3+C4Kohlenwasserstoffe Carbondioxide,C3+C4 hydrocarbons | mg/kg | NA | 50 | Hausmethode internal method |
| Methanol Methanole | mg/kg | NA | 1 | Hausmethode internal method |
| Benzol Benzene | mg/kg | NA | 1 | Hausmethode internal method |
| Abdampfr0ckstand evaporation residue | mg/kg | NA | 10 | Hausmethode internal method |
| Wasser water | mg/kg | NA | 50 | DIN EN ISO 12937 |
| Geruch smell | NA | einwandfrei proper | NA | NA |
DME for technical use
This quality is used in diverse technical production processes, for example as a raw material for the production of Dimethylsulphate.
| Eigenschaften Properties | Einheit Unit | Grenzwerte/Requirement (Minimum) | Grenzwerte/Requirement (Maximum) | Prufverharen Test Method |
|---|---|---|---|---|
| Zusammensetzung / Composition | NA | NA | NA | NA |
| Dimethylether Dimethylether | %(m/m) | 99,8 | NA | Hausmethode internal method |
| Kohlendioxide,C3+C4Kohlenwasserstoffe Carbondioxide,C3+C4 hydrocarbons | mg/kg | NA | 500 | Hausmethode internal method |
| Methanol Methanole | mg/kg | NA | 500 | Hausmethode internal method |
| Benzol Benzene | mg/kg | NA | 1 | Hausmethode internal method |
| Abdampfr0ckstand evaporation residue | mg/kg | NA | 10 | Hausmethode internal method |
| Wasser water | mg/kg | NA | 500 | DIN EN ISO 12937 |
| Geruch smell | NA | einwandfrei proper | NA | NA |
