Silk Powder High quality Silk Powder cas no:23411-34-9
1.High quality and competetive price
1)For Prulifloxacin exported we can offer COA Certificate and official Invoice.
2)We are manufacturer with own lab and factory, can provide high quality products with factory price.
3)Products purity is test by our quality department strictly before sending, and you can also ask the third testing organization come and inspect, such as (SGS/ CTI/ ITS), only after your confirmation will we send it out to you.
2.Fast and safe delivery:
1)Products can be sent out one or four weeks after payment. Tracking number available, fixed service person are 7x24h for you to contact.
2) Secure and discreet shipment. Various transportation methods for your choice, like DHL/UPS/TNT/FedEx/SF-express.
3)Customs pass and satisfied rate ¡Ý99%.
4)For hot sale products we have stock in there for transferring.
3 We have clients throughout the world:
1) Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.
2) Market feedback and goods feedback will be appreciated, meeting customers' requirement is our responsibility.
3) High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers.
Hubei Jusheng Technology Co., Ltd., is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates in China. The yearly production capacity is 50000MT, 80% for export.We have a professinal export team. Both by Air and by Sea,we ensure that we meet the customer expectations with promptness.
Silk powder is a kind of silk protein with high molecular weight, water soluble. Silk Powder has the function of excellent natural humidity-control and caring for one's skin, preventing part of ultraviolet radiation, prevent and curing some skin disease result from all kinds of dampness and dryness. It has super effect used in prevent sunshine produce.
The silk powder possesses the unique ability of absorbing oil, therefore it is suitable for the cosmetics applied to the oily skin. The particle size is from 5um to 100um with various specifications. Our extra fine Silk Powder can more easily mixed with cosmetic than common ones with thinner particle size.
Main index on physics,chem.and sanitation of Sericin Powder:
Item |
Index |
Characteristic |
Powder in white or grayish color, no terrible |
Fine Rate μm |
5—100 |
Total Nitrogen % |
≥14 |
PH Value |
5—7.5 |
Loss on Drying % |
≤6.5 |
Residue on Ignition % |
≤2 |
Heavy Metal (as Pb), mg/kg |
≤20 |
Arsenicum (as As), mg/kg |
≤2 |
Number of Aerobic Bacterial |
≤100 |
Other Pathogenis Bacteria |
Can’ t be detected |
Package:packing by double plastic bag
Storage:valid for 2 years
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