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Cosmetic Raw Materials
Silk Powder

 

Product Name: Silk Powder
CAS NO.:
Description:

Items

Specification

Appearance:

White or grey powder

Taste

Characteristic

PH value (1% Water solution):

5.5-7.5

Silk protein:

Not more than 94%

Total Nitrogen (W/W):

Not less than 14.5%

Loss on drying:

Not more than 3%

Residue on ignition:

Not more than 2%

Hg (mg/kg):

Not more than 0.02mg/kg

As (mg/kg):

Not more than 0.5mg/kg

Pb mg/kg:

Not more than 1.0mg/kg

Aerobic bacterial count:

Not more than 100/g

Fecal coliforms

Not more than 30/g

Pseudomonas aeruginosa

Negative

Staphylococcus aureus

Negative

Pathogen

Negative

Particle size:

10m

 
 
 
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