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Specifications
improve breaking tenacity , relative breaking fastness, fold resistance, moisture resistance, moisture and freeness of paper
Chitosan (Medical /Food / Industrial Grade)
|
Item
|
Medical grade |
Food grade |
Feed / Industrial grade |
Appearance |
White powder |
White powder |
White or light yellow semitransparent sheet or powder |
Degree of deacetylation |
>90%, 95% |
>85%, 90% |
>80%, 85% |
pH |
7.0-8.0 |
7.0-8.0 |
7.0-8.0 |
Loss on drying |
<8.0% |
<10.0% |
<12.0% |
Residue on ignition |
<1.0% |
<1.5% |
<2.0% |
Insoluble |
<1.0% |
<1.0% |
<2.0% |
Heavy metal (measured by Pb) |
≤10ppm |
≤10ppm |
|
As |
≤0.5ppm |
≤0.5ppm |
|
Total bacterial count |
≤1000cfu/g |
≤1000cfu/g |
|
Viscosity |
≤500mpa.s |
≤500mpa.s |
50-1200mpa.s |
Granularity |
40mesh, 60mesh, 80mesh, 100mesh |
||
We also can pack and ship as per customer's requirement.
Your satisfication - our target
Qingdao Yunzhou Biochemistry Co., Ltd was founded in 2002 in Jimo, Qingdao,China by its owner and also managing director Mr. Wang Kaiyu., now a leading manufacturer dedicated in Chitosan and supplying to both domestic and overseas markets like USA, Asia countris as well as European countries. Yunzhou has grown from a chemical factory into a very professional enterprise with its trade department in central area of qingdao,
Relying on the technology of institute of Oceanology, having cooperated with Ocean University of China for many year, as member of Qingdao Chitin Research Society, Yunzhou is able to guarantee and maintain high quality in manufacturering and sourcing. Yunzhou understands well that the needs of our clients are very demanding and our people strive to achieve whatever the best in their own position and save no efforts in satisfying our customers requirements, which ensure ourself a very solid and distinguished supplier in the chitosan market both domestic and overseas.
We produce Chitosan in many series, food grade, industrial grade, medical grade. And Chitosan we supplied has been wildely used in pharmaceutical industry, heathy food, research field, water treatment area, cosmetic, textile,tobacco and many others.
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