How to Use Mica Powder for Cosmetics?
Mica powder is a fine, shimmering powder obtained from naturally occurring minerals, mainly silicate minerals referred to as mica. Such minerals are derived from igneous
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KingChroma mica powder has good elasticity, toughness, insulation, heat resistance, acid/alkali resistance, corrosion resistance, adhesion, etc. It is an excellent additive. It is widely used in electrical appliances, electrodes, rubber, plastics, paper making, paints, coatings, pigments, ceramics, cosmetics, new building materials, etc. With the continuous development of science and technology, there will be new applications of mica powder. powder.
Mica powder is a common mineral powder. It is made by grinding and processing mica ore. Due to excellent physical and chemical properties, it is widely applied in various industries.
Main applications of mica powder:
Mica powder has extensive uses and application values. There are major applications of mica powder in many industries.
Mica powder is highly heat-resistant. It can withstand extremely high temperatures, without decomposition or function loss. If mica powder is used, the fireproof coating will have higher stability at high temperatures.
High temperature often occurs in construction and industrial equipment, such as fire or high-temperature machining. The main purpose of fireproof coatings is to protect basic materials at high temperatures, delay fire spreading, and win more time for evacuation. Due to the heat resistance, mica powder is ideal for coatings. It can keep coatings stable at high temperatures, to effectively resist flame and thermal radiation.
In general, if heat-resistant mica powder is applied in fireproof coatings, it can improve the fire safety of building and industrial equipment.
Synthetic mica powder is made by synthesis of raw materials at high temperature. It has higher heat resistance and thermal stability than natural mica powder. When the operating temperature is above 1,100℃-1,200℃, the melting temperature of synthetic mica powder is about 1,375 ± 5℃.
Maximum operating temperature of natural mica powder: 550℃ for white mica powder and 800℃ for golden mica powder (natural white mica powder begins to decompose at 450℃ and is almost completely decomposed at 900℃; golden mica powder begins to decompose at 750℃ and is significantly decomposed above 900℃). Therefore, mica powder can be distinguished by heating or differential thermal analysis.
Advantages of synthetic mica powder
Synthetic mica powder is pure with few impurities. It has good transparency and whiteness. Its hardness is slightly greater than that of natural mica powder. Other properties are better than those of natural mica powder, such as mechanical properties, electrical insulation properties and vacuum properties. Synthetic mica powder has higher whiteness than natural white mica powder. It can fully replace natural mica powder. It is a new heat-resistant insulating material, which has special and excellent properties.
Advantages of natural mica powder
Natural mica powder has excellent electrical insulation, heat resistance, transparency, acid/alkali resistance, elasticity and stripping properties. As an important insulating material, it is applied in electronic and electrical industries. Natural mica sheets can be applied in instrument windows, skeletons, media, diaphragms, etc.
Mica powder is soluble in a variety of solvents. It is often dissolved in water, acid, alkali, etc. If mica powder is dissolved in water, it has high stability and transparency, and can be used in transparent coatings and wear-resistant materials. If mica powder is dissolved in acid, it can improve the viscosity and adhesion of mica sheets, so it is widely used for high viscosity, such as coatings and paints. If mica powder is dissolved in alkali, it can improve the absorption and reflection of UV light, so it is widely applied for UV resistance.
Mica powder is a natural mineral, which is not toxic. It is widely applied at present. Mica powder also has medicinal value. Some cosmetics contain mica powder. However, the production of mica powder is harmful to the human body. Mica powder itself is a kind of dust. It can be inhaled by workers into the lungs, but not decomposed there. Long-term exposure to mica powder may cause pneumoconiosis, which is harmful to our health. It is recommended to take protective measures, to prevent inhalation of mica powder in production.
Mica powder is a fine, shimmering powder obtained from naturally occurring minerals, mainly silicate minerals referred to as mica. Such minerals are derived from igneous
The design has seen continuous updating and richness in its method, which will attribute to the influence of modern art, the development of new materials
Thermochromic pigments are state-of-the-art products but structurally weak compared with many other pigments and dyes. To take full advantage of this product while keeping it out
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