propylene glycol propylene glycol ( propylene glycol manufacturer, propylene glycol suppliers, propylene glycol usp, 1-methoxy-2-propanol, propylene glycol pg )'s specification is below, please check: Acidity (ml) Volume Value of titrating consumed NaOH solution(0.01mol/L) ≤0.5 Relative Density (25) 1.035 1.037 Chloride % ≤0.007 Sulfate % ≤0.006 Moisture % ≤0.2 Firing Residue mg ≤3.5 PPm Heavy metal PPm (unitPG) ≤ 5 Oxidability ml Volume value of titrating consumed Na2S2O3 solution ≤0.2 Indentification Infrared absorbing spectrogram is in compliance with reference spectrogram. ------------------------------------------------------------------------------------------------------ If you are interested in propylene glycol ( propylene glycol manufacturer, propylene glycol suppliers, propylene glycol usp, 1-methoxy-2-propanol, propylene glycol pg ), please contact me(Mr. Close) at EMAIL below: MOBILE: 86+13925087593 for specifications & more detaied packing information.