Poly Ethylene Glycol

Main Parameter

Allowances

Determined Value

Appearance

Colorless, transparent, syrupy liquid

Colorless, transparent, syrupy liquid

Purity (%)

99

99.5

Hazen before heating

5

5

Hazen after heating with HCL

20

10

Density at 20 C(g/cm)

1.1128-1.1138

1.1135

Initial boiling point at 0C,10133MPa(C)

196

197.6

Dry point at 0C,10133MPa (C)

199

198.6

Moisture (%)

0.10

0.0356

Acidity (as acetic acid %)

0.001

0.0006

Fe assay (mass fraction %)

0.00001

0.000004

Ash (mass fraction %)

0.001

0.0008

Diethylene glycol(%)

0.10

0.034

Aldehyde (as methanal %)

0.0008

0.0002

UV transmittance at 220nm (%)

75

86.5

UV transmittance at 275nm (%)

92

99.5

UV transmittance at 350nm (%)

99

99.9