Electronic-Grade Crystalline Silica Powder

Product Overview

Electronic-grade crystalline silica powder is a high-purity, ultra-fine crystalline silica material specially designed for electronics, semiconductors, photovoltaic (PV) applications, and advanced ceramics industries. Manufactured through advanced refining processes, this product offers excellent chemical stability, high insulation properties, and superior dispersibility, meeting the stringent requirements of precision electronic components.

Product Specifications

• Purity: ≥99%

• Particle Size Distribution (D50): 0.5μm-25μm (customizable)

• Appearance: White ultra-fine powder

• Density: 2.2-2.6 g/cm³

• Melting Point: Approx. 1410°C

• Dielectric Constant: 3.8-4.2 (1MHz)

• Conductivity: Extremely low (excellent insulation performance)

Key Features

1. High Purity: Purity ≥99%, with minimal impurities to avoid interference with electronic component performance.

2. Precise & Controllable Particle Size: D50 range of 0.5μm-25μm, customizable to ensure uniform dispersion.

3. Superior Insulation: Low conductivity, ideal for high-frequency circuits and insulating materials.

4. High-Temperature Resistance: High melting point and low thermal expansion coefficient, suitable for high-temperature processes.

5. Chemical Inertness: Resistant to acids, alkalis, and oxidation, ensuring long-term stability.

Applications

• Semiconductor Encapsulation: Used as a filler in epoxy resins and silicones to enhance thermal conductivity and mechanical strength.

• Electronic Ceramics: Manufacturing of multilayer ceramic capacitors (MLCCs), substrates, and other precision components.

• Photovoltaic Industry: Passivation layers for solar cells and additives for conductive pastes.

• Coatings & Adhesives: Functional filler for high-end insulating coatings and thermally conductive adhesives.

• Precision Polishing: Polishing material for optical glass and semiconductor wafers.

Packaging & Storage

• Packaging: 25kg/bag , or customized upon request.

• Storage: Store in a sealed, cool, and dry environment to prevent moisture absorption and contamination.

Quality Control

Strict compliance with ISO 9001 quality management system. Each batch comes with a Certificate of Analysis (COA) to ensure particle size, purity, and other specifications meet standards.

Why Choose Us?

Verified Supplier on Made-in-China.com - Reliable quality
Customizable particle size and purity
Professional team for technical consultation & after-sales support
Stable supply & fast response

Contact us now for a tailored Electronic-Grade Crystalline Silicon Powder solution!