Sericite is a layered silicate mineral exhibiting a silky luster. It is a subspecies of white mica, appearing as a microfine grain variant of white mica. Its chemical formula is: KAl2(AISi3O10)(OH)2, can be peeled into very thin flakes, flexible and bendable. It demonstrates good resistance to acids and alkalis, salt spray, high temperatures (above 600°C), electrical insulation, and wear. Its unique layered structure offers water vapor barrier properties and a smooth skin feel. It is widely used in rubber, plastic, paint, ceramics, cosmetics, and other industries.
1. Self-owned mine
We own 0.4565 square kilometers of mining rights for the Ma'anshan sericite mine in Mianning County. Initial proven reserves of 10 million tonnes, mostly mud-like output, high whiteness, small natural grain size. Through agitation and dispersion, it is very easy to separate impurity minerals, and the sericite products obtained are of extremely high purity and are very rare and highly sought-after globally.
2. Patented Technology
The application of patented technology can separate and remove impurities, and reduce the content of heavy metals.
3. Silicon Reduction Technology
Can reduce α-quartz content to less than 1%.The obtained high-quality sericite powder with ultra-low α-quartz is exported to Japan, Korea, USA, France, and other countries, and is highly praised by customers.
4. High Natural Whiteness, Small Natural Particle Size and Thin Flake.
The products have a natural whiteness greater than 85, with a natural average particle size (unprocessed) of approximately D50 = 6.5 micrometers, and upon thorough delamination, the thickness is about 100-200nm.
Our Cosmetic Grade Sericite Mica Powder is produced from Ma'anshan sericite mine by a special wet process and is widely used in cosmetics and personal care products. Its unique flake-like structure can shield ultraviolet rays and is commonly used in sunscreen products. Its good moisture and oil absorption properties control skin oil while providing moderate coverage and transparency, giving a natural look to makeup. Its high stability and good adhesion enhance the longevity of makeup, and it can be used in makeup and personal care products such as foundations, loose powders, face powders, talcum powders, sunscreens, and eye shadows.
Product Name: SERICITE MICA POWDER CAS No.:12001-26-2
Article No: M505S
Physical Properties
| Test Items |
Quality Standards |
Test Methods |
| Color and Appearance |
White powder |
Visual test |
| Whiteness (WB) |
≥81 |
Colorimeter |
| Particle Size, D50 |
5±0.5 μm |
Malvern 2000E |
| Bulk Density (g/cm3) |
< 0.2g/cm3 |
GB/T21354-2008/ISO3953: 1993 |
| PH Value |
7±1 |
PH meter |
| Loss on Drying |
<1% |
105ºC, Constant Weight |
| Loss on Ignition |
≤5% |
900ºC ,0.5h |
| Oil Factor |
40~70g/ 100g |
JC/T2577-2020 |
Chemical Content
| Composition |
By Weight (%) |
CAS No. |
EINECS |
| SiO2 |
≤49% |
14808-60-7 |
231-545-4 |
| Al2O3 |
≥34% |
1344-28- 1 |
215-691-6 |
| K2O |
≥10% |
13136-45-7 |
231-211-8 |
| Fe2O3 |
≤3% |
1332-37-2 |
215-570-8 |
Heavy Metal and Asbestos
| Lead |
≤ 10 ppm |
ICP-MS |
| Arsenic |
≤ 2 ppm |
| Mercury |
≤ 1 ppm |
| Cadmium |
≤ 5 ppm |
| Antimony |
≤ 2 ppm |
| Nickel |
≤ 10 ppm |
| Asbestos |
Negative |
XRD |
| Quartz |
<1% |
XRD |
Microorganism
| Microbiology |
<100g cfu/g with no pathogens |
Current USP Microbial Limit Test |
Remark: Heavy Metal test Method refer to China cosmetic safe guide line-2015 version and use ICP-MS to analysis.
Beijing Entrepreneur Science & Trading Co., Ltd. was established in the year 2001. We are focused on import and export business of high-quality specialty chemicals. Since its establishment, relying on diligent efforts, spirit of enterprising and professional services, the company has established extensive cooperation with world-famous chemical manufacturers and gained a good reputation in China chemical industry.
We have stable distribution cooperation with world leading suppliers from America, Europe, Japan and Taiwan. We are distributors of Ames Advantage Material, Novamet, Lanxess, Momentive, Potters, Rhodia, Roquette, Oerlikon Metco, Inovyn, KJ Chemical, Tokuyama, Mitsubishi Chemical, Chang Chun Group, etc.
Our products selling in China include Conductive Powder, Thermal Conductive Powder, Microwave Absorbing Powder, Acrylamide Functional Monomer and Special UV Monomer, Special Epoxy Resin, Mercaptan Curing Agent, Silane, Fumed Silica and Precipitated Silica, PVC Paste Resin, PVA, Carbon Black, Modified Starch, Photocatalyst, Formaldehyde Capture agent, Root Blocking Agent, Platinum Catalyst, Vinyl Silicone Oil, Surfactant, etc.
In 2014, the company entered the chemical export business. Based on our understanding of China chemical market, we select most qualified suppliers. We are able to source raw materials directly from factories. Most of our partners are the largest factory in China with over 20 years history. They have huge annual outputs, and hold ISO9001, ISO14001, GMP, KOSHER, HALAL, FDA, GSP, etc. certificates.
Our export products include Conductive Powder, Thermal Conductive Powder, Plant Extract, Inorganic Powder, Plasticizer, PVC Paste Resin, Silane, Flavors and Fragrances, Salen Catalysts and Ligands, Organic Intermediates, Pharmaceutical Intermediates.
We are proud to serve industries such as coating, ink, sealant, industrial, cosmetics, conductive powder, thermal conductive powder, pharmaceutical, flavor & fragrance, aroma, as well as many others.
We will support our customers in a continuous way in the following:
1. Timely feedback to inquiry within 24 hours
2. Pre-sales consultancy
3. Supply samples
4. Competitive price
5. Good packaging
6. Timely delivery
7. Small order is available
8. Good after sales services
9. Provide TDS, COA, commercial invoice, packing list and certificate of origin. Special requirements also could be discussed and met.
Can I request samples?
Yes, absolutely! We offer free samples of specified quantities. You only need to cover the freight charges.
Which documents are provided?
We provide essential documents such as Certificate of Analysis (COA), Technical Data Sheet (TDS), Material Safety Data Sheet (MSDS), and more upon request.
What is your Minimum Order Quantity (MOQ)?
Typically, our MOQ is one standard package. However, we understand the importance of testing before committing to a mass order, so we offer free samples for your evaluation.
How do you ensure the quality of your products?
We prioritize quality assurance through several measures:
1. Expert Staff: Our team comprises professionals with extensive experience in chemical products or related fields. They undergo comprehensive training before providing any quotations.
2. Sample Availability: We offer free samples or pre-shipment samples for new collaborations, ensuring that our commercial products match the specifications provided to customers.
3. Third-Party Inspection: Upon request, we can arrange Third-Party Inspections, such as SGS, to further validate the quality of our products before shipping.
How do I make payments?
Once you receive the Proforma Invoice (PI) along with our product specifications, you can proceed with payment. We accept various payment methods including Telegraphic Transfer (T/T), Letter of Credit (LC), and more.
What is your after-sales service like?
At Beijing Entrepreneur Science & Trading Co., Ltd., we prioritize fostering long-term relationships with all our customers. For every order, we ensure transparency and commitment by signing a legally binding sales contract. Should you have any doubts or concerns regarding our products or services, please do not hesitate to contact us. Your satisfaction and trust are our top priorities.
Can I use my own label or packaging?
Absolutely. If required, we can use labels or packaging according to your specifications and preferences. Your branding and packaging needs are important to us, and we'll ensure they are met to your satisfaction.
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