Calcined Talc is a high-performance mineral filler specifically engineered to optimize plastic-filled rubber formulations. By utilizing a unique platelet structure, it serves as a powerful reinforcing agent that significantly boosts tensile strength, tear resistance, and overall wear properties. This makes it an essential component for industrial coatings requiring superior mechanical durability and structural integrity.
Beyond mechanical reinforcement, Calcined Talc acts as a critical nucleating agent, promoting the creation of smaller, more uniform rubber particles during the compounding process. This results in a smoother, more consistent finish with a substantial reduction in surface defects. Combined with its high purity and chemical inertness, it ensures an aesthetically pleasing, white-to-gray finish that remains stable under extreme thermal and chemical conditions.
Detailed Parameters
| CAS Number | 14807-96-6 | Place of Origin | China |
|---|---|---|---|
| Color | White/Gray | Shape | Powder |
| Purity | 90-95% | Grade | Industrial Grade / Food Grade |
| Packaging | 25kg/bag (Customized available) | MOQ | 1kg |
| Chemical Nature | Chemically Inert | Thermal Stability | High Stability |
Key Advantages
Mechanical Reinforcement
Significantly improves tensile strength and tear resistance through its effective stress distribution platelet structure.
Processing Efficiency
Acts as a nucleating agent to ensure uniform particle formation and smoother compounding for fewer defects.
Visual Excellence
High whiteness and purity provide a clean, uniform appearance, enhancing the aesthetic appeal of final products.
Thermal Stability
Engineered to withstand high temperatures, ensuring the coating maintains its integrity in heat-intensive environments.
Chemical Inertness
Excellent resistance to aggressive chemicals and UV radiation, extending the lifespan of the coating.
Versatile Application
Ideal for high-quality, durable coatings across various industrial sectors, from automotive to construction.
Product Gallery
Management Platforms
Raw Material Sourcing
Strict selection of high-purity talc ores to ensure consistency in every batch produced.
Calcination Control
Precision temperature management during calcination to optimize the platelet structure.
Quality Assurance
Rigorous testing for purity and particle size distribution to meet industrial and food grades.
Logistics Optimization
Efficient global supply chain management ensuring timely delivery of 25kg bags or custom packs.
Custom Formulation
Expert support for tailored powder specifications based on your specific rubber coating needs.
Environmental Compliance
Sustainable manufacturing processes adhering to global mineral processing standards.
Investment Return Comparison
| Performance Metric | Standard Talc | Calcined Talc |
|---|---|---|
| Tensile Strength | Baseline | Significantly Higher |
| Surface Smoothness | Moderate | Excellent/Uniform |
| Thermal Stability | Standard | Superior |
| Processing Speed | Regular | Accelerated (Nucleating) |
| Wear Resistance | Basic | High Durability |
Frequently Asked Questions
Calcined talc undergoes a heat treatment process that removes hydroxyl groups and modifies its structure, resulting in superior thermal stability, improved whiteness, and better reinforcing properties in polymers and rubber.
It acts as a reinforcing agent that enhances tensile strength and tear resistance, while also serving as a nucleating agent to create a smoother, more consistent surface finish.
Yes, we provide both Industrial Grade and Food Grade calcined talc to meet the strict purity and safety requirements of different industry standards.
Our standard packaging is 25kg per bag; however, we offer fully customized packaging solutions to fit your specific storage and logistics requirements.
Yes, due to its chemical inertness and stability, calcined talc contributes to the overall resistance of the coating against UV radiation and harsh chemical exposure.
We support small-scale testing and sampling with a minimum order quantity of just 1kg, allowing you to verify the performance in your specific formulations.











