RD-90
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General Info
Physical Form
White fine powder
Chemical Name
Anhydrous aluminum silicate
CAS NO.
92704-41-1
Physical Properties
Product Description

What is the specific application of Kaolin RD-90?

Kaolin RD - 90% likely refers to kaolin with a 90% purity level.Kaolin RD-90 refers to kaolin that has a purity level of 90%. Kaolin has a wide range of applications due to its unique properties such as fine particle size, white color, chemical inertness, and good dispersibility.Kaolin is used in many different applications because of its unique properties, such as its fine particle size, white colour, chemical inertness and good dispersibility.
One of the major applications is in the paper industry.Paper is one of the most important applications. In papermaking, kaolin RD - 90% is used as a coating pigment.In papermaking, Kaolin RD-90 is used as a pigment coating. It helps to improve the smoothness, brightness, and printability of paper.It improves the smoothness, brightness and printability of papers. The fine - grained nature of kaolin allows it to fill in the pores on the paper surface, creating a more even and receptive surface for ink.The fine-grained nature of Kaolin allows it fill in the pores in the paper surface. This creates a more even surface that is receptive to ink. This results in sharper and more vivid printed images.This produces sharper, more vivid images. For high - quality printing papers like those used in magazines and brochures, the use of high - purity kaolin like RD - 90% is crucial to achieve the desired print quality.To achieve high-quality printing papers, such as those used in magazines or brochures, it is essential to use high-purity kaolin.

In the ceramics industry, kaolin is a fundamental raw material.Kaolin is an important raw material in the ceramics industry. Its high purity makes it suitable for producing high - end ceramic products.Its high purity makes kaolin suitable for high-end ceramic products. Kaolin RD - 90% can be used to make porcelain, which requires a pure and consistent raw material.Kaolin RD-90% can be used for porcelain, which needs a pure and consistent material. It contributes to the whiteness, translucency, and strength of the ceramic body.It contributes to the strength, whiteness, and translucency of the ceramic body. During firing, kaolin undergoes chemical and physical changes that help the ceramic piece maintain its shape and develop the desired properties.During firing, the kaolin undergoes a series of chemical and physical transformations that help the ceramic maintain its shape and develop desired properties. For example, in the production of fine china, the use of high - purity kaolin ensures the elegant appearance and durability of the final product.In the production of fine porcelain, for example, the use high-purity kaolin ensures that the final product has an elegant appearance and is durable.

The paint and coating industry also benefits from kaolin RD - 90%.Kaolin RD-90 % is also used in the paint and coatings industry. It can be used as a filler and extender.It can be used both as a filler or extender. Kaolin helps to improve the rheological properties of paints, such as viscosity and flow.Kaolin improves the rheological characteristics of paints such as viscosity, flow and adhesion. It also enhances the hiding power, which is the ability of the paint to cover the substrate.It also increases the paint's hiding power. This is the ability to cover the substrate. Additionally, it can contribute to the weather resistance and durability of the coating.It can also contribute to the weather resistance of the coating. In water - based paints, kaolin can help with pigment dispersion and stability, ensuring a uniform and long - lasting finish.In water-based paints, it can help with pigment stability and dispersion, ensuring an even and long-lasting finish.

In the plastics industry, kaolin can be added as a filler.Kaolin can be used as a filler in the plastics industry. It can improve the mechanical properties of plastics, such as stiffness and dimensional stability.It can improve mechanical properties of plastics such as stiffness and dimension stability. Kaolin RD - 90% with its relatively high purity can be used in applications where the plastic part requires good physical properties.Kaolin RD – 90%, with its relatively high purity, can be used for applications where the plastic part needs good physical properties. For example, in injection - molded plastic products, the addition of kaolin can reduce shrinkage and warping during the cooling process, resulting in more accurate and stable parts.In injection-molded plastic products, for example, adding kaolin to the product can reduce shrinkage during cooling, and result in more accurate and stable components.

What are the main properties of Kaolin RD-90?

Kaolin RD - 90 likely refers to a type of kaolin with a 90% purity or some related specification.Kaolin RD - 90 is likely to refer to a type kaolin that has a purity of 90% or some other specification. Here are its main properties:Here are some of its main properties:
Physical properties:Physical Properties
In terms of color, kaolin RD - 90 typically has a white to off - white appearance.Kaolin RD - 90 is typically white or off-white in color. This light color makes it highly desirable in applications where color purity is crucial, such as in the paper, paint, and ceramic industries.This light color makes kaolin RD - 90 highly desirable for applications where color purity, such as in paper, paint and ceramic industries, is critical. It has a fine - grained texture.It has a fine-grained texture. The particle size distribution is relatively narrow, with most particles being in the micron - sized range.The particle size distribution of the product is narrow, with most of the particles falling within the micron-sized range. This fine - grained nature contributes to its smooth feel and good dispersion properties in various matrices.This fine-grained nature contributes towards its smooth feel and good properties of dispersion in various matrixes.

Chemical properties:Chemical properties
Kaolin is mainly composed of the clay mineral kaolinite, which has a chemical formula of Al2Si2O5(OH)4.Kaolin is composed mainly of the clay mineral, kaolinite. Its chemical formula is Al2Si2O5 (OH)4. The 90% purity in Kaolin RD - 90 means a high proportion of this main component with fewer impurities.Kaolin RD – 90 is a product with a high purity of the main component, kaolinite. It has a relatively stable chemical structure.It has a chemical structure that is relatively stable. It is resistant to most common acids and alkalis under normal conditions, except for strong concentrated acids that can react with its aluminum and silicon components over time.It is resistant to the majority of common acids and alkalis in normal conditions. However, strong concentrated acids can react with its silicon and aluminum components over time.

Mineralogical properties:Mineral properties
The dominant kaolinite mineral in Kaolin RD - 90 has a characteristic layered structure.The dominant kaolinite in Kaolin RD - 90 is characterized by a characteristic layered structural. These layers can interact with other substances in different ways.These layers can interact in different ways with other substances. For example, in some applications, the layers can adsorb small molecules or ions on their surfaces.In some applications, for example, the layers may adsorb molecules or ions onto their surfaces. The crystal structure of kaolinite also contributes to its physical and chemical stability.The crystalline structure of kaolinite contributes to the physical and chemical stability.

Functional properties:Functional properties
In the paper industry, Kaolin RD - 90 is used as a filler and coating material.Kaolin RD - 90 can be used in the paper industry as a coating and filler material. Its fine particle size and white color improve the brightness, opacity, and smoothness of paper.Its fine particle size, white color, and smoothness improve the brightness, opacity and smoothness of the paper. In the paint industry, it can enhance the hiding power, improve the rheology of the paint, and help with pigment dispersion.It can improve the rheology and pigment dispersion of paints, as well as enhance the hiding power. In ceramics, it acts as a key raw material, contributing to the plasticity of the ceramic body during shaping.In ceramics it is a key material that contributes to the plasticity and pliability of the ceramic body when shaping. It also helps in controlling the shrinkage and firing characteristics of the ceramic products, ensuring high - quality finished items.It also helps to control the shrinkage and burning characteristics of ceramic products, ensuring that high-quality finished items are produced.

How is Kaolin RD-90 different from other kaolin products?

Kaolin RD - 90 likely has several differences compared to other kaolin products.Kaolin RD - 90 is likely to have several differences compared with other kaolin products.
One key difference could be in its particle size distribution.One of the key differences could be the particle size distribution. Kaolin RD - 90 might have a more precisely controlled and uniform particle size.Kaolin RD - 90 may have a more uniform and precisely controlled particle size. A narrow particle size distribution can offer distinct advantages.A narrow particle distribution can have distinct advantages. For instance, in applications such as papermaking, it can lead to better coating smoothness.In applications such as papermaking it can improve coating smoothness. When the particles are of a consistent size, they can pack more evenly on the paper surface, resulting in improved printability and gloss.When the particles are uniform in size, they can pack on the surface of the paper more evenly, improving printability and gloss. In contrast, other kaolin products with a wider particle size range may cause uneven coating, leading to issues like mottling in printed materials.Other kaolin products that have a larger range of particle sizes can cause uneven coatings, which can lead to issues such as mottling on printed materials.

The chemical purity of Kaolin RD - 90 is also likely to set it apart.Kaolin RD - 90's chemical purity is likely to be another factor that sets it apart. It may have a higher level of purity, with fewer impurities such as iron, titanium, or other trace elements.It may be purer, with fewer impurities like iron, titanium or other trace elements. High - purity kaolin is highly valued in industries like ceramics.In industries such as ceramics, high-purity kaolin is highly prized. In ceramic production, impurities can affect the color and mechanical properties of the final product.Impurities in ceramic production can affect the final product's color and mechanical properties. Kaolin RD - 90, with its low impurity content, can enable the creation of ceramics with a more consistent and brighter color, as well as enhanced strength and durability.Kaolin RD - 90's low impurity content can be used to create ceramics that have a brighter, more consistent color. It also has a higher strength and durability. Other kaolin products with more impurities may not be suitable for high - end ceramic applications that demand such precise quality standards.Other kaolin products that contain more impurities might not be suitable for high-end ceramic applications which require such exacting quality standards.

Another aspect could be its surface properties.Surface properties could also be considered. Kaolin RD - 90 might have been treated or processed to modify its surface characteristics.Kaolin RD-90 may have been treated or processed in order to modify its surface properties. This could include surface charge or hydrophobicity.This could include hydrophobicity or surface charge. In the paint industry, a kaolin with the right surface properties can improve pigment dispersion.In the paint industry a kaolin that has the right surface properties will improve pigment dispersion. If Kaolin RD - 90 has been optimized to have a certain surface charge, it can interact better with other components in the paint formulation, preventing pigment aggregation and ensuring a more stable and homogeneous paint product.Kaolin RD - 90 can be optimized to have a specific surface charge. This allows it to interact better with the other components of the paint formulation. It prevents pigment aggregation, and ensures a more stable, homogeneous product. Other kaolin products without such tailored surface properties may not perform as well in terms of pigment dispersion and paint stability.Other kaolin products that do not have these tailored surface properties might not perform as well when it comes to pigment dispersion or paint stability.

In addition, the processing method used to produce Kaolin RD - 90 can contribute to its uniqueness.The processing method used to make Kaolin RD - 90 also contributes to its uniqueness. Specialized processing techniques may be employed to achieve its specific characteristics.To achieve its unique characteristics, it may be necessary to use specialized processing techniques. This could involve unique grinding, classification, or beneficiation processes.This could include unique grinding, classifying, or beneficiation methods. These methods can result in a kaolin product with properties that are distinct from those produced by more conventional means.These methods can produce a kaolin with unique properties compared to those produced using more conventional methods. As a result, Kaolin RD - 90 can find niche applications where its particular set of properties makes it the preferred choice over other, more general - purpose kaolin products.Kaolin RD - 90 is therefore a product that can be used in niche applications, where its unique properties make it the preferred option over other, general-purpose kaolin products.

What are the advantages of using Kaolin RD-90?

Kaolin RD - 90% offers several notable advantages.Kaolin RD-90 possesses several advantages.
One of the primary benefits is its high purity level indicated by the 90% mark.The high purity level of 90% is one of its main benefits. This purity makes it suitable for applications where contaminants can significantly impact the final product quality.This purity makes it ideal for applications where contaminants could have a significant impact on the final product's quality. In the paper industry, for instance, high - purity kaolin helps in achieving a smooth paper surface.In the paper industry for example, high-purity kaolin is used to achieve a smooth surface. It fills the gaps between paper fibers, enhancing the paper's gloss, brightness, and printability.It fills in the gaps between the paper fibers and enhances the paper's glossiness, brightness, as well as its printability. The reduced presence of impurities means fewer defects in the paper, resulting in a more uniform and high - quality product.Reduced impurities mean fewer defects, and a higher-quality paper.

Kaolin RD - 90% also has excellent whiteness properties.Kaolin RD-90 % also has excellent whiteness characteristics. This characteristic is highly valued in industries such as ceramics and paint.This property is highly valued by industries like ceramics and paint. In ceramics, a high - whiteness kaolin can produce brighter and more aesthetically pleasing ceramic products.In ceramics, high-whiteness kaolin produces brighter and more aesthetically appealing ceramic products. It serves as a key ingredient in creating white - body ceramics, allowing for better coloration and a more refined appearance.It is used to create white-body ceramics. This allows for better coloration, and a refined appearance. In the paint industry, the whiteness of kaolin can enhance the opacity and tinting strength of paints.In the paint industry the whiteness of Kaolin can increase the opacity of paints and their tinting strength. It helps to reduce the amount of more expensive pigments required, thus lowering production costs while still maintaining good color - rendering properties.It can reduce the amount of expensive pigments needed, thereby lowering production costs.

In addition, its fine particle size distribution is an advantage.The fine particle size distribution of the product is also an advantage. The fine particles enable better dispersion in various matrices.The fine particles allow for better dispersion of the kaolin in different matrices. In rubber applications, for example, kaolin RD - 90% can be evenly dispersed throughout the rubber compound.Kaolin RD-90 % can be evenly distributed throughout rubber compounds. This improves the mechanical properties of the rubber, such as tensile strength and tear resistance.This improves mechanical properties such as tensile and tear resistance. The fine particles also contribute to a more homogeneous mixture, ensuring consistent performance of the final rubber product.The fine particles contribute to a homogeneous mix, which ensures consistent performance of the rubber product.

Furthermore, kaolin RD - 90% has good chemical stability.Kaolin RD – 90% also has good chemical stability. It is resistant to many chemicals, which makes it suitable for use in environments where it may come into contact with various substances.It is resistant against many chemicals and can be used in environments where it will come into contact with different substances. This property is beneficial in applications like coatings for metal surfaces.This property is useful in applications such as coatings for metal surfaces. The kaolin - based coatings can protect the metal from corrosion and chemical degradation, extending the lifespan of the metal substrate.The kaolin-based coatings protect metals from corrosion and chemical degradation. This can extend the life of the metal substrate.

Overall, the high purity, whiteness, fine particle size, and chemical stability of Kaolin RD - 90% make it a valuable material across multiple industries, contributing to improved product quality and performance.Kaolin RD – 90% is a highly valuable material for a variety of industries. Its high purity, whiteness and fine particle size make it incredibly useful.

What is the recommended usage and dosage of Kaolin RD-90?

Kaolin RD - 90% is a type of kaolin product.Kaolin RD-90% is a kaolin product. However, without specific context regarding its intended application, it's difficult to precisely define its usage and dosage.It's difficult to define the dosage and usage of kaolin without knowing its intended use.
If it is for industrial applications like in the ceramics industry, kaolin is used as a key raw material.Kaolin is a key ingredient in industrial applications, such as the ceramics industry. In ceramic body formulations, the proportion of kaolin can vary widely depending on the type of ceramic product.The proportion of kaolin in ceramic body formulations can vary depending on the type ceramic product. For example, in the production of fine porcelain, kaolin may make up a significant portion, perhaps around 30 - 50% of the total raw material mixture.In the production of fine ceramics, kaolin can make up around 30 to 50% of the total mixture of raw materials. This helps to improve the plasticity of the clay, enhance its firing properties, and contribute to the whiteness and translucency of the final ceramic piece.This improves the plasticity of clay, its firing properties and contributes to the whiteness of the final ceramic.

When used in the paper - making industry, kaolin is often added as a coating pigment.In the paper-making industry, kaolin can be used as a coating color. It helps to improve the smoothness, brightness, and printability of paper.It improves the smoothness, brightness and printability of paper. The dosage in paper coating can range from 10 - 30% by weight of the coating formulation, depending on the quality requirements of the paper.The coating formulation can be 10-30% by weight, depending on the paper's quality requirements.

In the pharmaceutical industry, kaolin is sometimes used in medications, typically in formulations for treating diarrhea.In the pharmaceutical industry, kaolin can be found in medications that treat diarrhea. As an antidiarrheal agent, the recommended dosage for adults is usually around 30 - 60 milliliters of a kaolin - based suspension, taken after each loose bowel movement, up to a maximum of 8 doses per day.Adults can take 30-60 milliliters (or more) of a kaolin-based suspension after each loose bowel motion, up to 8 doses per a day. For children, the dosage is adjusted according to their age and weight, generally starting at a lower volume, such as 5 - 15 milliliters per dose.Children's dosage is adjusted based on their weight and age.

It's important to note that before using kaolin RD - 90% in any application, it is crucial to refer to the product's technical data sheet provided by the manufacturer, as well as relevant industry standards and guidelines.Before using kaolin RD-90% in any application, you should refer to the technical data sheet provided to you by the manufacturer as well as industry standards and guidelines. This ensures proper and safe utilization, and helps to achieve the desired results in different manufacturing processes or medical treatments.This ensures safe and proper usage, and helps achieve the desired results for different manufacturing processes or treatments.