SPECS USP
SPECS USP | USP23 | USP23 ULTRA | USP 24~44 | USP 24~44 LP | USP24~44 ULTRA |
Color by Gardner | ≤8 | ≤8 | ≤8 | ≤8 | ≤10 |
odor | ccharacteristi natural odor | ultra low odor | odorless | odorless | odorless |
Iodine Value, gl2/100g | 18-36 | 18-36 | 18-36 | 18-36 | 18-36 |
Acid value, mg KOH/g | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 |
Loss on drying, % | ≤0.25 | ≤0.25 | ≤0.25 | ≤0.25 | ≤0.25 |
Water-soluble acids & alkalis | PASS | PASS | PASS | PASS | PASS |
Water-soluble oxidizable substance | PASS | PASS | PASS | PASS | PASS |
Petrolatum, % | PASS | PASS | PASS | PASS | PASS |
Alkalinity | PASS | PASS | PASS | PASS | PASS |
Ammonia | PASS | PASS | PASS | PASS | PASS |
Chlorine | PASS | PASS | PASS | PASS | PASS |
Residue on ignition, % | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 |
Peroxide value, meq O2/kg | -- | -- | -- | -- | ≤20 |
Water absorptivity, % | -- | -- | -- | -- | ≥200 |
Melting point, ℃ | 38-44 | 38-44 | 38-44 | 38-44 | 38-44 |
Identification | PASS | PASS | PASS | PASS | PASS |
Foreign substance, ppm(total) | -- | -- | ≤40 | ≤3 | ≤40 |
ppm(individual) | -- | -- | ≤10 | ≤1 | ≤10 |