Polyethylene Glycol 6000
Città: LV, Marupe
Physical & Chemical Characteristics
Analysis Item | Specification | Result |
Average molecular weight | 5400–6600 | 5470 |
Hydroxyl number (mg KOH/g) | 17–20.8 | 20.5 |
Clarity at 80°C | Free from haze and turbidity | Conforms |
Water solubility (25% aqueous) | Free from haze and turbidity | Conforms |
Suspended matter | Substantially free | Conforms |
Colour (25% aq.), Pt-Co | ≤25 | 25 |
pH (5% aqueous) | 4.5–7.0 | 6.5 |
Sulphated ash (% w/w) | ≤0.1 | 0.0 |
Water (% w/w) | ≤0.5 | 0.50 |
Residual ethylene oxide (ppm) | ≤1 | 0.1 |
Supplier Guarantee (not batch‑tested)
Analysis Item | Specification | Result |
Ethylene + Diethylene glycol | ≤0.2 % | — |
Heavy metals (as Pb) | <5 mg/kg | — |
Reducing substances | Pass test | — |
Organic volatiles | Pass test | — |
Formaldehyde | ≤15 mg/kg | — |
Viscosity at 20°C (50% aq.) | ≈217 mm²/s | — |
Freezing range (°C) | 55–61 | — |
Stabiliser (BHT, E321) | 30–60 mg/kg | — |