Specification: tradenameappearancefreezing point(°C)relative densityviscosity(mm2/s, 40°C)average molecular weightPHclearness and color of the solutionGlycol and diglycolresidue on ignitionheavy metalarsenic saltPEG-400colorless liquid-1.10-.1437-45380-4204-7not more dark than the 2# standard solution≤0.25≤0.2%≤10ppm≤0.003%PEG-600colorless or almost colorless viscous liquid or translucent wax paste-1.10-.1456-62380-4204-7not more dark than the 2# standard solution-≤0.2%--PEG-1000white wax flake or granulous powder33-38-8.5-11(25g/500ml water)900-11504-7not more dark than the 2# standard solution-≤0.2%--PEG-1500white wax flake or granulous powder41-46-3.0-4.0(25g/500ml water)1350-16504-7not more dark than the 2# standard solution-≤0.2%--PEG-4000white wax flake or granulous powder50-54-5.5-9.0(25g/500ml water)3400-42004-7not more dark than the 2# standard solution-≤0.2%--PEG-6000white wax flake or granulous powder53-58-10.5-16.5(25g/500ml water)5400-78004-7not more dark than the 2# standard solution-≤0.2%- 8.5-11(25g/500ml water)