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SFJ-PLDMD — Moist Low-Iron Micronized Silica (Dust-Resistant)

SFJ-PLDMD — Moist Low-Iron Micronized Silica (Dust-Resistant)

SFJ-PLDMD — Moist Low-Iron Micronized Silica (Dust-Resistant)

SFJ-PLDMD — Moist Low-Iron Micronized Silica (Dust-Resistant)

The particle size distribution of this product is similar to that of SFJ-PLD, which is known for its precise grading and exceptional quality. However, this product is additionally purified using a neodymium magnet to remove iron and other possible free iron compounds, ensuring the quality of colorless and transparent glass.

SFJ-PLDMD: Innovation in Safety and Processability with Dust-Resistant Micronized Silica

The SFJ-PLDMD product is an engineered solution to one of the biggest challenges in industries using micron powders: dust control. It retains all the premium quality features of SFJ-PLDMO ultra-pure silica—high purity, ultra-low iron, and exceptional whiteness—with one key difference: the addition of a precisely controlled moisture content (~0.5%) through an exclusive proprietary process.

This controlled moisture lightly binds the micron-sized particles together, preventing them from becoming airborne during handling, unloading, and mixing. The result is a safer working environment, reduced material loss, and significantly improved performance in automated production processes.

Processed using advanced SANDVIK and AKW production lines, SFJ-PLDMD sets a new standard in occupational safety and health (HSE) while maintaining the precise particle size distribution and exceptional quality comparable to SFJ-PLDMO.

Particle Size Comparison:
The particle size distribution of SFJ-PLDMD is similar to SFJ-PLDMO, offering precise grading and outstanding quality. The main difference lies in iron content: SFJ-PLDMD is virtually free of iron and other iron compounds, which maximizes the quality of clear and colorless glass products.

SFJ-PLDMD: Innovation in Safety and Processability with Dust-Resistant Micronized Silica

The SFJ-PLDMD product is an engineered solution to one of the major challenges faced by industries using micron powders: dust control. It retains all the premium quality features of SFJ-PLDMO ultra-pure silica—high purity, ultra-low iron, and exceptional whiteness—with one key difference: the addition of a precisely controlled moisture content (~0.5%) through a proprietary process.

This controlled moisture lightly binds the micron-sized particles together, preventing them from becoming airborne during handling, unloading, and mixing. The result is a safer working environment, reduced raw material loss, and significant improvements in automated production processes.

Processed using advanced SANDVIK and AKW production lines, SFJ-PLDMD sets a new benchmark in occupational health and safety (HSE) while maintaining all the superior qualities of ultra-pure micronized silica.

Chemical Analysis Table – Silica Sand (Code: PLDMD)

CompoundContent (%)
SiO₂99.31
Al₂O₃0.15
CaON.D (Not Detected)
Fe₂O₃0.05

Sample Code: PLDMD

Summary & Description

  • Sample Type: High-purity silica sand.

  • Main Purity: Extremely high silica content (99.31 % SiO₂) indicating excellent product quality.

  • Key Impurities: Only trace levels of aluminum oxide (Al₂O₃) and iron oxide (Fe₂O₃); calcium oxide (CaO) was not detected.

Silica Sand Particle Size Distribution (Code: PLD)

Mesh No.Size (mm)Size (µm)Sample (%)Cumulative (%)
102.020000.00.0
141.414000.00.0
181.010000.00.0
350.55002.22.2
400.44008.710.9
500.330036.046.9
800.1717737.784.6
1000.151504.288.8
1200.121207.095.8
1700.09904.2100.0
2300.06600.0100.0
4000.03300.0100.0
PanPanPan0.0100.0

Explanations and Results

Title: Particle Size Distribution of Silica Sand (Code: PLD)

Columns:

  • Mesh No.: Aperture size of the sieve.

  • Size (mm): Particle diameter in millimeters.

  • Size (µm): Particle diameter in microns.

  • Sample (%): Percentage retained on each sieve.

  • Cumulative (%): Percentage of the total sample that passed through each sieve.

Key Findings:

  • More than 95% of the particles fall within the 0.09 to 0.5 mm range (Mesh 35 to 170).

  • The highest fraction (36%) is retained on Mesh 50 (0.3 mm).

  • The sample is free of oversized particles (>0.5 mm) and ultrafine particles (<0.03 mm).

  • This particle size distribution is suitable for industrial applications such as sandblasting, filtration, or silicon production.

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