White Dolomite Powder
Magnesium Oxide (MgO):≥ 20.5%
Iron Oxide (Fe₂O₃):≤ 0.008% (80 ppm)
Fe₂O₃ (High-End Grade):≤ 0.005% (50 ppm)
Whiteness:≥ 90%
Moisture Content:≤ 0.5%
Exceptional Whiteness for Your Premium Products
We present white dolomite powder, a product that reflects our pursuit of purity and brightness. We select high-quality, low-iron dolomite ore and process it through strict magnetic separation and fine grinding. The result is a product with exceptionally high whiteness.
Our factory is located in Chaohu, Anhui, and is equipped with modern production facilities and a professional quality control team. We do not just supply raw materials; we provide a high-quality white base for your premium products. Our white dolomite powder sets a high standard for color performance.
Key Specifications and Our Advantage in Whiteness
High whiteness is our core advantage. We carefully control colored impurities such as iron and manganese to achieve industry-leading brightness. The table below demonstrates our commitment.
We use only high-quality, low-iron dolomite ore to ensure whiteness from the source. We guarantee a magnesium oxide (MgO) content of ≥ 20.5%, which is a key indicator of dolomite quality.
Through magnetic separation, we maintain iron oxide (Fe₂O₃) content at the photovoltaic glass grade (≤ 0.008%) and offer an ultra-white glass grade (≤ 0.005%). Our white dolomite powder is tested using a professional whiteness meter to ensure a whiteness level of ≥ 90%.
Technical Parameters
|
Parameter |
Technical Index |
Our Advantage & Guarantee |
|
Product Name |
Low-iron dolomite sand | High-quality low-iron ore ensures whiteness from the source |
| Calcium Oxide (CaO) | 31.5% ± 1.5% | Tested according to GB/T 3286-2012 for stable composition |
| Magnesium Oxide (MgO) | ≥ 20.5% | Guaranteed magnesium content, a key quality indicator |
| Iron Oxide (Fe₂O₃) | ≤ 0.008% (80 ppm) | Magnetic separation ensures photovoltaic-grade purity |
| Fe₂O₃ (High-End Grade) | ≤ 0.005% (50 ppm) | Ultra-white grade for demanding high-whiteness applications |
| Whiteness | ≥ 90% | Measured with a professional whiteness meter for consistent brightness |
| Moisture Content | ≤ 0.5% | Strict moisture control prevents dampness and yellowing during storage |
Perfect for Color-Sensitive Industries
White dolomite powder is widely used in applications where color is critical, such as high-grade coatings, ceramics, and plastic fillers. We ensure that no coarse particles above 8 mesh are present, maintaining a fine and consistent product.
The main particle size range (8–120 mesh) accounts for ≥95% of the product, ensuring excellent uniformity. We also support custom gradation and can produce single-grade specifications such as 16–40 mesh, 40–80 mesh, or 80–120 mesh.
Our quality is certified under ISO 9001, ISO 14001, and ISO 45001 standards. We also offer a 3-month quality warranty. If the whiteness does not meet the agreed specifications, we will replace the product or issue a full refund without conditions.
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