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Calcined mica (Dehydrated mica)
Dehydrated mica is the mica produced by calcining natural mica at high temperature, which is also called calcined mica.
Natural mica of various colors can be dehydrated, and its physical and chemical properties have changed greatly. The most intuitive change is the change of color. For example, natural white mica will show a color system dominated by yellow and red after calcination, and natural biotite will generally show a golden color after calcination. -
Synthetic mica (fluorophlogopite）
Synthetic mica known as fluoro phlogopite . It is made from chemical raw materials through high-temperature melting, cooling and crystallization . Its single-wafer fraction is KMg3 (AlSi3O10) F2 , which belongs to the monoclinic system and is a typical layered silicate.
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Mica slice
Mica sheet has good electrical and mechanical properties, heat resistance, chemical stability and good corona resistance. It can be peeled into soft and elastic flakes with a thickness of 0.01 to 0.03 mm.
Mica chips are generally used in electronic tubes, stamping parts, aviation industry and capacitor chips for radio industry, mica chips for motor manufacturing, specification chips for daily electrical equipment, telephone, lighting, etc.
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Pearlescent Mica Powder
Pearlescent Mica Powder is the basic material for manufacturing pearlescent pigments. Pearlescent Mica Pigments are powder, non-toxic, tasteless, acid and alkali resistant, non flammable, non explosive, non-conductive, non migratory, easy to disperse, with high heat resistance and weather resistance. They are new environmental protection materials. Pearlescent pigments have the flashing effect of metal pigments, and can produce the soft color of natural pearls.
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Conductive mica powder
Conductive mica powder is a kind of new electronic conductive functional semiconductor pigments (fillers) based on wet muscovite, which uses nano technology to form a conductive oxide layer on the substrate surface through surface treatment and semiconductor doping treatment.
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Biotite (black mica)
Biotite mainly occurs in metamorphic rocks, granite and other rocks. The color of biotite is from black to brown or green, with glass luster. The shape is plate and column. In recent years, biotite has been widely used in stone paint and other decorative coatings.
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Mica fragments (Broken mica)
Mica debris refers to the total name of the extracted debris mica, the waste residue after processing and peeling as well as the leftover material after parts processing.
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Phlogopite (Golden mica)
Phlogopite is characterized by complete cleavage of mica, yellow brown color and golden like reflection. It is different from Muscovite in that it can decompose in boiling sulfuric acid and produce an emulsion solution at the same time, while Muscovite cannot; It differs from biotite in light color. Phlogopite can be corroded by concentrated sulfuric acid, and can be decomposed in concentrated sulfuric acid to produce an emulsion solution at the same time. Sodium, calcium and barium replace potassium in the chemical composition; Magnesium is replaced by titanium, iron, manganese, chromium and fluorine instead of Oh, and the varieties of phlogopite include manganese mica, titanium mica, chrome phlogopite, fluorophlogopite, etc. Phlogopite mainly occurs in contact metamorphic zones of ultrabasic rocks such as kimberlite and dolomitic marble. Impure magnesian limestone can also be formed during regional metamorphism. Phlogopite is different from Muscovite in physical and chemical properties, so it has many special functions and is used in many important fields.
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Muscovite (White mica)
Mica has muscovite, Biotite, Phlogopite, lepidolite and other types. Muscovite is the most common mica.
Mica has high insulation performance, heat resistance, acid resistance, alkali corrosion resistance, and small thermal expansion coefficient. No matter how broken it is, it is in the form of flakes, with good elasticity and toughness. The mica powder has a large diameter-to-thickness ratio, good sliding properties, strong covering performance and strong adhesion.
Mica powder is widely used in the fields of insulation, heat insulation, paints, coatings, pigments, fire protection, plastics, rubber, ceramics, oil drilling, welding electrodes, cosmetics, aerospace, etc. mica chemical composition
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Sericite
Sericite is a new type of industrial mineral with a layered structure, which is a subspecies of muscovite in the mica family with extremely fine scales. The density is 2.78-2.88g / cm 3 , the hardness is 2-2.5, and the diameter-thickness ratio is> 50. It can be split into very thin flakes, with silk luster and smooth feeling, full of elasticity, flexibility, acid and alkali resistance, strong electrical insulation, heat resistance (up to 600 o C), and low coefficient of thermal expansion, and The surface has strong UV resistance, good abrasion resistance and wear resistance. The elastic modulus is 1505-2134MPa, the tensile strength is 170-360MPa, the shear strength is 215-302MPa, and the thermal conductivity is 0.419-0.670W. (MK) -1 . The main component is a potassium silicate aluminosilicate mineral, which is silver-white or grayish-white, in the form of fine scales. Its molecular formula is (H 2 KAl 3 (SiC4) 3. Themineral composition is relatively simple and the content of toxic elements is extremely low , No radioactive elements, can be used as green materials.
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lepidolite (ithia mica)
Lepidolite is the most common lithium mineral and an important mineral for extracting lithium. It is a basic aluminosilicate of potassium and lithium, which belongs to mica minerals. Generally, lepidolite is only produced in granite pegmatite. The main component of lepidolite is kli1 5Al1. 5 [alsi3o10] (F, oh) 2, containing Li2O of 1.23-5.90%, often containing rubidium, cesium, etc. Monoclinic system. The color is purple and pink, and can be light to colorless, with pearl luster. It is often in fine scale aggregate, short column, small sheet aggregate or large plate crystal. The hardness is 2-3, the specific gravity is 2.8-2.9, and the bottom cleavage is very complete. When melted, it can foam and produce a dark red lithium flame. Insoluble in acid, but after melting, it can also be affected by acids.
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Mica powder
We have 3 different types of mica powder products: 20-60 mesh, 60-200 mesh, 325-1250 mesh, etc.
