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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Glass pigments are for coloring of colorless transparent glass. They are mainly used to improve the light transmission, decoration and aesthetic performance of glass. Depending on applications and requirements, glass pigments are divided into different types and colors.
I. Production of colored glass
Colored glass is made by applying pigments on glass surfaces. This can make glass with beautiful colors. Glass pigments are suitable for glass decoration, architectural decoration, etc.
Specific steps:
Advantages: rich and beautiful colors.
Shortcoming: use of expensive materials (e.g. gold and silver) in production, resulting in high costs.
II. Coloring of translucent glass
Translucent glass is usually used in production of daily necessities, such as glass cups. People can clearly see the colors of drinks in cups. In addition, the transparency of drinks can be protected.
Specific steps:
Advantages: Good translucent effect, bright color, smooth surface.
Shortcoming: High cost.
III. Membrane coloring
Membrane coatings are applied with special chemicals on glass surfaces, to achieve some special effects, such as shading and heat insulation. This method is often used in industrial fields.
Specific steps:
Advantages: Good light transmission, shading, UV resistance, etc. The membrane coating is made smooth.
Shortcomings: Complex construction and high cost.
In summary, glass coloring should be flexibly conducted based on specific applications and requirements, so that glass has more values and creative applications in various fields.
Take white glass pigment as an example:
I. Main raw materials
Main ingredients of white glass pigment include silicate and iron oxide. Other raw materials may be added as needed, such as titanium dioxide, dolomite, calcium carbonate, bauxite, etc.
II. Production steps
Mix silicate and iron oxide in proportion, add an appropriate amount of auxiliary material, and mix them.
Calcinate the mixture at 1,000℃ to 13,00℃ for 1-2h in a high-temperature furnace, until it is completely melted into a pigment.
Grind the pigment in a grinder, making the particles as fine as possible and the color more uniform.
Screen the ground pigment to remove too large or small impurities, thus improving the purity of the pigment.
Pack the screened pigment in an airtight container, and keep it in a cool and dry place. Avoid direct sunlight and moisture.
III. Precautions
Raw materials for glass pigments are expensive, leading to some stress on the production costs of glass pigment manufacturers. Fluctuations of raw material prices have some impacts on marketing. With the increasing global environmental awareness, there are more stringent environmental requirements for glass pigment manufacturers. This is also an important challenge for glass pigment manufacturers. Despite some challenges, glass pigments have promising prospects in the market.
Main steps of glass pigment use include pretreatment, color selection, color blending, feeding and application. The quality and stability of pigments should be ensured in pretreatment. Appropriate colors should be selected according to application requirements. The properties and requirements of basic materials should be fully considered during color blending. Materials should be fed based on the application environment and requirements. Appropriate construction methods and tools should be selected as appropriate to apply glass pigments.
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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