Dolomite Marble Powder
Iron Oxide (Fe₂O₃):≤ 0.1–0.3% (customizable)
Acid Insoluble:≤ 2.0%
Mohs Hardness:3.5–4.0
Whiteness:≥ 85% (depending on ore)
Moisture Content:≤ 1.0%
High-Quality Raw Material from a Prime Location
We offer dolomite marble powder made from natural, high-quality dolomite. Our process includes crushing, screening, and washing to ensure high purity. Our factory is located in Chaohu, Anhui, just 1 kilometer from the port. This advantageous location allows us to respond to your orders quickly.
We are more than just a processing plant; we are your local expert in calcium and magnesium raw materials. You can rely on our dolomite marble powder for consistent quality.
Key Specifications and Expert Production
Our independent R&D team includes 9 senior engineers who continuously improve our production process and ensure product stability. The table below highlights our key specifications.
We test our products according to the GB/T 3286-2012 standard, and all batch data is fully traceable. We also offer a low-iron grade (≤0.1%) for high-end applications such as photovoltaic glass. A key feature of this product is its whiteness, which can reach ≥85%, making it ideal for light-colored products where appearance matters.

Technical Parameters
|
Parameter |
Technical Index |
Our Advantage & Guarantee |
|
Product Name |
Dolomite marble powder | Sourced from a stable supply chain for long-term consistency |
|
Chemical Composition |
CaO 30–32%, MgO 20–22% |
Tested strictly in accordance with GB/T 3286-2012 |
|
Iron Oxide (Fe₂O₃) |
≤ 0.1–0.3% (customizable) |
Low-iron grade (≤0.1%) suitable for photovoltaic glass |
|
Acid Insoluble |
≤ 2.0% |
Washing process removes impurities and improves purity |
|
Mohs Hardness |
3.5–4.0 |
Moderate hardness reduces processing costs |
| Whiteness | ≥ 85% (depending on ore) | High whiteness ensures better appearance for light-colored products |
|
Moisture Content |
≤ 1.0% |
Strict moisture control prevents caking during storage and shipping |
Versatile Grades and a Simple Process
We offer multiple grades ranging from 8 to 120 mesh, allowing you to select the ideal size for your application. For example, the 30–50 mesh grade is well-suited for improving glass forming performance.
We support OEM and ODM services and can customize packaging and labels to match your brand. Our quality is certified under ISO 9001, ISO 14001, and ISO 45001 standards.
Our after-sales team is available 24/7, and we respond to all inquiries within 1 hour. That is our commitment when you choose our dolomite marble powder.
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