Is Mica-Based Pearlescent Pigment Safe to Eat?
In the ever-evolving world of cosmetics, one element continues to capture the imagination of beauty enthusiasts and industry professionals alike pearlescent pigments. These unique additives bring a touch of iridescence and depth to beauty products, setting them apart in a crowded market. With their shimmering qualities and versatile applications, pearlescent pigments have become a staple in both high-end and everyday cosmetics.
The common characteristics of mica group minerals are: layered silicate minerals, monoclinic crystal system, a few trigonal crystal system, the crystals are pseudo-hexagonal columnar, plate and sheet; The aggregate is scaly and foliaceous. It has a set of extremely complete cleavage, along which it is easy to peel into sheets. Therefore, the shape of mica is usually regarded as sheet.
The mica powder of HUAJING has the advantage of extremely narrow particle size, and the particle size specifications are complete, such as: 2000 mesh, 1250 mesh, 800 mesh, 400 mesh, 120 mesh, etc. The skin feeling is exquisite.
X represents large interlayer cations, such as K+, Na+, Ca2+, Ba2+, Rb+, Cs+, etc. Y represents octahedral cations, such as Al3+, Fe2+, Mg2+, Cr3+, Ti4+, Fe3+, etc. Z is mainly Si4+ and Al3+; The ideal ratio of the additional anion (OH)- to (O)2- is 2:10, and (OH)- can be replaced by F- and Cl-. Most mica contain 4% to 5% water. Therefore, although they may be called mica, the chemical composition of different mica may be very different, for the purpose of research, we collectively refer to the minerals with this type of characteristics as mica group minerals.
Natural high quality Muscovite:feel fine, soft lubrication.
Natural mica powder and synthetic mica powder also have great differences in electrical insulation, mechanical properties, chemical stability, application range and cost. Natural mica powder has good electrical insulation, but the volume resistivity is lower than that of synthetic mica. Synthetic mica powder has better electrical insulation properties, high volume resistivity and stable dielectric constant, and is suitable for high performance electrical insulation materials. The hardness of natural mica powder is relatively low (2-3), and it has good elasticity and peeling property. The hardness of synthetic mica powder is higher (between 3 and 4), and the tensile strength and compressive strength are better than that of natural mica powder. Natural mica powder is stable in acid-base solution, but it is easy to decompose at high temperature. Synthetic mica powder is stable to acid and base at room temperature, but will be slowly corroded by sulfuric acid above 300℃. Better thermal stability, not easy to release gas. Natural mica powder is widely used in electrical appliances, welding rods, rubber, plastics, paper making, paint and other fields. Synthetic mica powder is mainly used in high-end electrical insulation materials, aviation, aerospace, national defense industry and other high-tech fields. Because synthetic mica powder needs to be produced through complex chemical processes, its production cost is usually higher than that of natural mica powder. Therefore, in the market, the price of synthetic mica powder is often higher than that of natural mica powder. However, with the continuous progress of production technology and the gradual emergence of scale effects, the price of synthetic mica powder is expected to gradually decrease.
X { Y2-3 [Z4O10] (OH)2 }
Mica has a wide range of uses, in ancient China, it is often used to do traditional Chinese medicine, the ancients even think that taking mica: a year to remove all diseases (heavy metal poisoning), three years of long service, husband into a boy (body scrap), Zhongshan uncle Qing suit, over time can become a cloud (soul ascension). However, in the era without glass, the transparency of mica makes it a better decorative material, for example, we are familiar with the mica screen candle shadow deep, the river gradually falling Xiaoxing sink. Mica screen is low, tassel tent is small and mica calf car.
The mica powder of HUAJING has the advantage of extremely narrow particle size, and the particle size specifications are complete, such as: 2000 mesh, 1250 mesh, 800 mesh, 400 mesh, 120 mesh, etc. The skin feeling is exquisite.
One of the most common applications of mica powder is in the cosmetics industry. Mica is a transformative ingredient in makeup products, giving them a natural glow. It is widely used in foundations, eyeshadows, highlighters, and blushes. The light-reflective properties of mica help to diffuse light and minimize the appearance of imperfections, making it a favorite among makeup artists and consumers alike. Its ability to blend seamlessly with skin tones while imparting a shimmery finish makes it a versatile choice for cosmetics.
In response to these challenges, a number of initiatives have been launched to promote ethical mica sourcing in the beauty industry. The Responsible Mica Initiative (RMI), for example, is a coalition of companies, NGOs, and other stakeholders working to improve the lives of workers in the mica supply chain and reduce the impact of mica mining on the environment. The RMI focuses on improving traceability, ensuring safe working conditions, and promoting community development in mica-producing regions.
Mica is classified as a metamorphic rock-forming mineral due to its prevalent occurrence in schist and gneiss. These rocks are formed under high pressure and temperature conditions, typically deep within the Earth’s crust. The formation of mica can provide valuable insights into the conditions that prevail during the metamorphism of rocks. The shiny, thin layers of mica can be easily identified in hand samples due to their prominent cleavage, making them a crucial mineral for geologists in field studies.
4. Durability Mica-based finishes are often more resistant to wear and tear compared to traditional paint. This added durability can be particularly beneficial in high-traffic areas or on surfaces that endure frequent handling.
Synthetic 120 mesh :large particle size, with pearl shining effect.
Natural high quality Muscovite:feel fine, soft lubrication.
X { Y2-3 [Z4O10] (OH)2 }
* Biotite A dark, iron-rich mica, biotite has a significant presence in igneous rocks. While it shares many similarities with muscovite, biotite is not as widely used in industrial applications, primarily due to its darker color and lower dielectric properties.
One of the most significant advantages of mica in cosmetic formulations is its ability to provide a smooth, silky texture. When used in powders, mica helps to improve the spreadability of products, allowing for seamless application on the skin. Additionally, mica can absorb oil, making it a beneficial ingredient in mattifying products.
Huajing mica cosmetic grade mica powder has been loved by customers since it entered the market, and has a general response, excellent quality, stable quality and high reputation.
Electronic and electrical industry: