Sericin is rich of Amino Acids with polar pendant groups, such as serine and asparaginic acid. It is a kind of protein with abundant hydrophilic groups. Because Amino Acid with hydrophilic polarity accounts for about 75% in sericin, especially serine which takes up about 30% of sericin, whose hygroscopicify is 50 times stronger than glycerol. Thus, sericin, is highly effective in moisture absorption, moisture, breathable function and antimicrobial function when used as raw material of Cosmetic and chemical fiber lay material. Sericin Powder contains 18 kinds of Amino Acids, including all 8 kinds of human needful ones. The average molecular weight is about 90 and the product is also called as “Silk 90”. The product is white powder with pH value between 5 to 7 and positive ninhydrin reaction. Because the hydrophilic amino acids proportion reaches 80%, it has extraordinary excellent performance on humidity-control and skin protection as cosmetic materials.
Why choose us?
Supporting direct order, organic certification, pollution-free certification and other qualifications, strict quality inspection.
safe and exquisite packaging/ Best quality, competitive price, ISO9001, HACCP, HALA, GREEN FOOD, ZTC certificates, enough stocks and strict quality control system.
Can you provide samples?
Yes,we can offer you the FREE SAMPLES!Only freight is in your charge, but we’ll return it after you placing an order.
How is your quality control?
From the very beginning to the very end, National Commodity Inspection and Testing Bureau, Authority Third-party Testing institution, QA, ISO, Guarantee our quality.
Can you provide OEM service?
Yes. Sure. More details if the OEM service please contact us at any time.
What payment method do you support? and logistics?
We support Paypal, wire T/T and credit card. We will choose express or logistics according to your quantity.
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