Solar Grade Quartz Rod

Solar Grade Quartz Rod - Product Specifications

Ultra-pure fused silica rods optimized for photovoltaic manufacturing, delivering exceptional thermal stability and contamination control in solar cell production environments12.

Key Characteristics

‌Material Purity‌:

99.99% SiO₂ composition with low metallic impurities (≤0.1 ppm), preventing efficiency loss in silicon wafers12.

‌High-Temperature Resistance‌:

Continuous operation at 1,300°C+ with rapid thermal cycling capability (ΔT >900°C)13.

‌Acid/Alkali Resilience‌:

Withstands aggressive chemical processing during wafer cleaning and texturing12.

Technical Specifications

‌Parameter‌ ‌Specification‌

‌Diameter Range‌ 1–30 mm ±0.1 mm tolerance2

‌Standard Length‌ ≤1,500 mm (1375 mm customized)1

‌Thermal Stability‌ Zero devitrification @ 1,300°C13

‌Surface Finish‌ Optical polish (Ra ≤0.5 μm)2

Critical Advantages

‌Precision Wafer Handling‌:

Grooved designs accommodate 125/156mm wafers at 3° tilt for uniform distribution in diffusion furnaces1.

‌Production Scalability‌:

Supports automated robotic loading/unloading for high-volume solar sheet manufacturing1.

‌Process Compatibility‌:

Chemically inert in HF, KOH, and TMAH solutions for etching/texturing processes26.

Primary Applications

‌Diffusion/CVD Furnace Components‌:

Boat frames, carrier rods, and support structures for silicon wafer processing13.

‌Wafer Transfer Systems‌:

Structural elements in automated assembly/disassembly equipment1.

‌High-Purity Crucible Liners‌:

Containment solutions for polysilicon melting and crystal growth6.

⚠️ ‌Operational Notes‌

‌Thermal Limits‌: Max operational gradient ≤900°C/min to prevent micro-fracturing3.

‌Cleaning Protocol‌: Use HF ≤5% concentration with DI water rinse cycle2.

Compliance: ISO9001:2008 certified; CE/RoHS compliant. Custom geometries (grooves, threaded ends) available25.