| Type: | Pharmaceutical Intermediates |
|---|---|
| Appearance: | Powder |
| Quality: | Refined |
| Colour: | White |
| Transport Package: | Foil Bag/Drum |
| Specification: | 98% |
| Samples: |
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| Customization: |
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XAZB Supply Best Price 100% Natural Food Grade Silk Fibroin Powder
Silk powder (silk fibrin powder) is a kind of macromolecular silk fibrin in powder form, which is made from the silk fibrin degummed under high pressure, requires special craft processing and smash through physical methods. Its molecular weight of is about 250000. It is tasteless, odorless, slightly soluble in water and insoluble in alcohol ether.
The silk powder is an excellent natural moisturizing factor because of the presence of hydrophilic gene in the structure of silk. This has certain preventive on skin protection. It will make the better sun-screening effect by using the compound of silk powder and sun-screening agent in sunscreen products.
Silk powder has excellent air permeability, users would feel particularly smooth after applying cosmetics containing silk powder.
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Items |
Specification |
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Coarse silk powder |
Average particle size: 40 micron |
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Superfine Silk Powder |
Average particle size: 10 Microns |
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Superfine Silk Powder |
Mean particle diameter: 5 micrometers |
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Ultrafine and ultra-micro silk powder |
Mean particle diameter: 2 micrometers |
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Nanometer silk powder |
Mean particle diameter: 350 nanometers |
| XAZB Supply the Silk Products Series | ||
| Item Name | Specification | Price |
| Silk Amino Acids | MW:90, Water-soluble mixed amino acids | $38.0-48.0/ kg |
| Silk Peptide Powder | MW:500 and 10000,water-soluble polypeptide substance | $40.0-52.0/kg |
| Sericin Powder | It is colloid protein wrapping in the outer layer of silk, soluble in water | $42.0-53.0/kg |
| Silk Fibroin Powder | MW:250000.macromolecular silk fibrin in powder form,slightly soluble in water,particle size 2μm, 10um | $37.0-58.0/kg |
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Items |
Indicators |
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Characters |
White or slight grayish yellow powders |
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Total Nitrogen (%) |
≥14.5 |
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Weight loss on drying (%) |
≤6.0 |
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Residue on ignition (%) |
≤4.0 |
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PH value |
5.0-7.0 |
1. Sericin Powder Applied in cosmetic industry,sericin powder is mainly used as the additive;
2. Sericin Powder Applied in food industry, sericin powder is easy to permeate the derma layer of skin and get absorbed, nurturing skin as well.
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