1.medical/food/industry grade 2.40-100mesh 3.molecular weight (20,000-300,000) and Chitosan ... textile, dyeing, leather, dope, tobacco, plastic, cosmetic, food, feed, medication, health food, color film, bioengineering, agriculture, sewage treatment. Standard:ItemsMedical GradeFood ... 800mpa.sParticle Size40mesh, 60mesh, 80mesh, 100meshPacking for medical and food grade: 20.0kg, 25.0kg/fiber drum (Φ 38. ...