Item

specification

 Appearance

 Off-white powder or flake

 Deacetylation degree

 >80%

 Molecular weight 

 200 000- 600 000 Da

 Moisture content

 <12%

 Ash content

<2%; <5%

Insoluble content

<1%

Particle size

40-80mesh; 1mm-5mm

Packing

25kg/drum; 10kg/bag