Quality specifications：
Medicinal carbomer voluntary standards
Name polyethylene glycol |
400 |
600 |
1000 |
1500 |
4000 |
6000 |
appearance(25℃) |
Colorless transparent |
Colorless transparent |
White ceroid |
White ceriod |
White solid granular powder |
|
clarity |
Clear and transparent |
Clear and transparent |
Clear and transparent |
Clear and transparent |
Clear and transparent |
Clear and transparent |
Viscosity 40℃(m㎡/s) |
37-45 |
56-62 |
2.4-3.0 |
3.0-4.0 |
8.O-11.0 |
12-16 |
Average molecular weight |
380-420 |
570-630 |
950-1050 |
1425-1575 |
3600-4200 |
5500-7500 |
PH |
4-7 |
4-7 |
4-7 |
4-7 |
4-7 |
4-7 |
Glycol and diethylene glycol |
≤0.25％ |
≤0.25％ |
-- |
-- |
-- |
-- |
Heating remains（%） |
≤0.2 |
≤0.2 |
≤0.2 |
≤0.2 |
≤0.2 |
≤0.2 |
Arsenic salt（ppm） |
≤3 |
≤3 |
≤3 |
≤3 |
≤3 |
≤3 |
Heavy metal（ppm） |
≤5 |
≤5 |
≤5 |
≤5 |
≤5 |
≤5 |
PEG high mesh 4000 CP2005 25kg/box |
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PEG high mesh 6000 CP2005 25kg/box |
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PEG 200-20000 50kg/drum 25kg/bag |
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