High Purity Electronic Grade Quartz Powder (5N2-5N5)

GINDTAY® ELECTRONIC GRADE QUARTZ POWDER (5N2-5N5) is engineered for high-end electronics and optical applications. By utilizing premium domestic quartz ore and advanced purification technologies, this grade offers an exceptional balance of ultra-high purity (up to 99.9995%) and cost-efficiency. It is widely used in the production of specialty glass, fillers for electronic components, and high-performance ceramics where low trace metal content is critical.

CAS number 14808-60-7
Synonyms High Purity Silica Powder, Electronic Grade Quartz Sand, SiO2 Powder

Technical Specifications

electronic grade quartz powder 5N2 5N5 specifications Gindtay
Purity (SiO₂)99.992% – 99.995% (5N2 to 5N5)
Total Metal Impurities< 5.0 to 8.0 ppm
Aluminum (Al)< 2.0 ppm
Iron (Fe)< 0.2 ppm
Potassium (K)< 1.0 ppm
Sodium (Na)< 1.0 ppm
Lithium (Li)< 0.1 ppm
Calcium (Ca)< 1.0 ppm
Hydroxyl Content (OH)Not controlled (standard grade)
Particle Size (D50)90 to 180 mesh (customizable)
Particle Size (D90)< 180 mesh
FormHigh purity white powder
Testing StandardICP-MS per batch, GB/T31854-2015
Packaging200kg sealed drums, moisture-proof
MOQ50 metric tons
Sample Quantity100kg available for verification

High Purity Production Process

1 Raw Ore Selection
2 Calcination
3 Water Quenching
4 Precision Crushing
5 Fine Milling
6 Multi-stage Screening
7 Magnetic Separation
8 Chemical Flotation
9 Acid Leaching
10 DI Water Rinsing
11 Controlled Drying
12 Clean-room Packaging

Our electronic grade process ensures consistent particle size distribution and stable chemical properties for large-scale industrial supply.

Format & Packaging

Standard delivery is provided in 200kg Sealed Drums or Tonne Bags depending on client requirements. We ensure all packaging is moisture-proof and contamination-resistant. Gindtay’s strategic location in Zhuhai enables efficient logistics for both domestic and international electronic manufacturers, optimizing your supply chain costs.

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