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121 YL Hydrolyzed Polymaleic Anhydride (HPMA)
Quality standard
Appearance: brown yellow transparent liquid
Index name
Value
Premium
First grade
Salable product
Solid %≥
48.0
48.0
48.0
Average Molecular weight
>700
450~700
>300
Bromine value mg/g≤
160
200
240
PH(1% Aq. solution)
2.0~3.0
2.0~3.0
2.0~3.0
Density (20°C)g/cm
3
≥
1.18
1.18
1.18
Uses
Dosage 5 ~ 20mg/l.
Packing & Storage
Net wt. 25kg in plastic drum , It should be stored in dry & ventilating place.
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