Specifications

Item	Industrial grade
Appearance	White or light yellow semitransparent sheet or powder
Degree of deacetylation	>70%, 80%, 85%
pH	7.0-8.0
Loss on drying	<12.0%
Residue on ignition	<2.0%
Insoluble	<2.0%
Heavy metal (measured by Pb)
As
Total bacterial count
Viscosity	50-800mpa·s
Granularity	40mesh, 60mesh, 80mesh, 100mesh

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