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Doing Holdings Co., Ltd
Doing Holdings Co., Ltd
Vegetable oil machines
We are specialized in vegetable oil machines:vegetable oil preatment machines,vegetable oil solvent extraction machines and vegetable oil refinery machines.Following is the specification of vegetable oil.
Specification of final vegetable oil product:
| Item | Quality index | ||||
1st grade | 2nd grade | 3rd grade | 4th grade | ||
Moisture & Volatile matter/ % Moisture & Volatile matter/ % ≤ | 0.05 | 0.05 | 0.1 | 0.2 | |
Impurities / % ≤ | 0.05 | 0.05 | 0.05 | 0.05 | |
Acid value(KOH)(mg/g) ≤ | 0.2 | 0.3 | 1 | 1 | |
Peroxide value/(mmol/kg) ≤ | 5 | 5 | 7.5 | 7.5 | |
Test tempeature (280°C) | _ | _ | No educt,Lovibond Tintometer: Yellow value not changed,red value increasing<0.4 | Trace of educt,Lovibond Tintometer: Yellow value not changed,red value increasing<0.4 blue value<0.5 | |
Saponified matter content / % ≤ | _ | _ | 0.03 | 0.03 | |
Smoke point / °C ≥ | 215 | 205 | _ | _ | |
Freezing test (0°C Storing 5.5hrs) | Transparent | _ | _ | _ | |
Solvent residue/(mg/kg) ≤ | Solvent extraction crude oil | None | None | 50 | 50 |
Press crude oil | None | None | None | None | |
