Chitosan (Medical /Food / Industrial Grade)

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185 °C, this product decomposes. In terms of application, this product can be used in many fields, including textile, printing and dyeing, leather, paint, cigarette, plastic, cosmetics, food, feed, medicine, health care, color film, bio-engineering, agricultural crop protection, sewage treatment and other fields. Of course, our company can provide special molecular weight product with the range of 20,000-300,000 and 1,000-8,000.

Detailed Specifications

Item	Medical grade	Food grade	Industrial grade
Appearance	White powder	White powder	White or light yellow semitransparent sheet or powder
Degree of deacetylation	>90%, 95%	>85%, 90%, 95%	>70%, 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	50-800mpa.s
Granularity	40mesh, 60mesh, 80mesh, 100mesh
Package	For medical and food grade, fiber can is used and the size is 38.0cm×48.0cm and 42.0cm×60.0cm. Each package is 25.0kg or 20.0kg. Customization is available.

① Our company can provide high purity chitosan with degree of deacetylation higher than 95%.

② Viscosity is determined in acetate solution under 20℃and 1℃ and we can provide product with viscosity less than 50mpa.s. Different levels of product quality are required for different applications and we can manufacture this product on customers’ requirements.

Chitosan (Medical /Food / Industrial Grade)

Related Names

Antibacterial Agent | Self-healing Coating

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