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Cosmetic Grade Talc Powder from China - Quality Suppliers and Factory for Beauty and Personal Care Products
|
Chemical Component
|
Typical Content
|
Description
|
|---|---|---|
| SiO2 | 58% - 63% | Main silicate component |
| MgO | 28% - 32% | Main magnesium component |
| Al2O3 | ≤2.0% | Controlled impurity |
| Fe2O3 | ≤1.0% | Affects whiteness and color |
| CaO | ≤1.5% | Minor component |
| Na2O + K2O | ≤1.0% | Alkali components |
| Loss on Ignition | 4% - 6.5% | Related to mineral structure and moisture |
Frequently Asked Questions (FAQ)
What are the primary chemical components of this material?
The primary chemical components are Silicon Dioxide (SiO2), which typically ranges between 58% and 63%, and Magnesium Oxide (MgO), which is maintained at 28% to 32%. Together, they form the main silicate and magnesium structure of the material.
How does the Fe2O3 content affect the material's properties?
Iron Oxide (Fe2O3) is restricted to a maximum of 1.0% (≤1.0%). Keeping Fe2O3 at this low level is critical because it directly affects the whiteness and overall color quality of the final product.
What is the significance of Loss on Ignition (LOI) in this composition?
The Loss on Ignition (LOI) typically ranges from 4% to 6.5%. This value is directly related to the inherent mineral structure and the moisture content present within the chemical composition.
What impurities are controlled within this chemical composition?
Several impurities are strictly controlled to ensure quality, including Aluminum Oxide (Al2O3 ≤2.0%), Calcium Oxide (CaO ≤1.5%), and Alkali components (Na2O + K2O ≤1.0%).
What is the typical limit for Calcium Oxide (CaO) in this material?
Calcium Oxide (CaO) acts as a minor component in this material and is strictly controlled to a typical content of ≤1.5% to maintain structural and chemical integrity.
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