Industrial Grade Talc Powder from China - Leading Suppliers & Factory for Various Industrial Applications

China's WANCHENG MINERAL is a leading supplier and factory of industrial grade talc powder. Our talc powder is a natural magnesium silicate mineral, expertly produced from high-quality talc ore through advanced processes including crushing, grinding, and strict quality control. Known for its unique properties such as a soft texture, lamellar crystal structure, excellent whiteness, superb lubricity, low hardness, and outstanding chemical stability, our talc powder is a versatile functional mineral filler used in a variety of applications. With its specialized features, talc powder offers an exceptional combination of reinforcement, processing enhancement, dimensional stability, and cost efficiency, setting it apart from ordinary mineral fillers. The platy particle shape enhances barrier performance and rigidity in polymer systems, while in coatings and paints, talc improves suspension stability, sanding performance, scrub resistance, and overall formulation economy. In the rubber and adhesive industries, it aids in processing, reduces stickiness, and ensures a stable product texture. As a trusted supplier in China, WANCHENG MINERAL provides industrial grade talc powder in various mesh sizes, whiteness levels, and tailored specifications to meet your specific application needs. Our talc can be utilized across a range of industries including general industrial fillers, plastic modifications, coating formulations, rubber processing, ceramic production, paper coatings, cable compounds, and construction chemicals. We are committed to supporting our clients with a stable supply of raw materials, flexible packaging options, sample evaluations, and export services. When selecting talc for your applications, it's crucial to choose the right grade, as factors such as particle size, whiteness, oil absorption, moisture content, purity, and impurity levels can significantly impact the quality of your final products. The ideal talc grade for plastic reinforcement may differ from those used in decorative paints or ceramics. WANCHENG MINERAL is ready to discuss your application requirements and recommend the most suitable talc powder grades for various industries.

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Product Details

Chemical Composition

Chemical Component	Typical Content	Description
SiO₂	58% - 63%	Main silicate component
MgO	28% - 32%	Main magnesium component
Al₂O₃	0.5% - 2.0%	Controlled impurity
Fe₂O₃	≤ 1.0%	Affects whiteness and color
CaO	≤ 2.0%	Minor component
K₂O + Na₂O	≤ 1.0%	Minor alkali components
Loss on Ignition	4% - 7%	Related to hydroxyl and mineral structure

Frequently Asked Questions

Q1 What are the primary chemical components of this material?

The primary chemical components are Silicon Dioxide (SiO₂) at 58% - 63% and Magnesium Oxide (MgO) at 28% - 32%, which form the main silicate and magnesium structure.

Q2 How does the Fe₂O₃ content impact material quality?

Iron Oxide (Fe₂O₃) is kept at ≤ 1.0% because it directly affects the whiteness and color purity of the final product.

Q3 What is the significance of the Loss on Ignition (LOI) value?

The Loss on Ignition typically ranges from 4% to 7%, which is related to the hydroxyl groups and intrinsic mineral structure of the material.

Q4 What are the controlled levels for minor components like CaO and Al₂O₃?

Aluminum Oxide (Al₂O₃) is regulated as a controlled impurity between 0.5% and 2.0%, while Calcium Oxide (CaO) is maintained as a minor component at ≤ 2.0%.

Q5 What is the maximum allowed concentration of alkali oxides?

The combined total of alkali components (K₂O + Na₂O) is strictly controlled at ≤ 1.0%.

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