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In recent years, the global mica industry has witnessed substantial growth, with significant contributions from leading mica exporters. These exporters have been instrumental in meeting the increasing demand for mica across various sectors, such as cosmetics, electronics, and automotive industries. As a critical component in manufacturing processes, mica's outstanding properties, including its thermal and electrical resistance, lightweight nature, and insulation capabilities, make it indispensable.


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Take pearlescent pigments as an example, pearlescent pigments are a class of pigments with pearl luster, which are deposited on the substrate (generally natural mica, synthetic mica, glass sheet and other sheet-like materials) above a layer or alternately deposited multiple layers of metal oxides or non-metallic oxides and formed a flat sandwich body with a structure similar to sandwich. Due to the difference in refractive index between the substrate and the oxide deposited on its surface and each oxide, when the light shines on the surface of the pearlescent pigment, the incident light will be refracted and reflected at the interface of each layer of the pearlescent pigment, and the color of the pearlescent pigment that people see is the result of the superposition of light after multiple refractions and reflections of the light, that is, the interference phenomenon of light.

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The majority of mica originates from countries like India, Madagascar, and China. India is particularly prominent in the mica market, accounting for a significant portion of global supply. However, sourcing mica ethically has become a pressing issue. Due to the high demand, there have been reports of child labor and unsafe working conditions in some mica mining regions. This has prompted consumers and businesses to seek transparency in their supply chains, calling for more sustainable and ethically sourced mica.


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