Quality Control
100% Raw Material Inspection
Strict verification of high-purity quartz sand (SiO₂ ≥ 99.99%) to meet JGS2 (UV) / JGS3 (IR) optical standards.
XRF/XRD testing ensures zero impurities (e.g., Fe, Al, OH⁻ ions) for semiconductor-grade consistency.
Precision Dimensional Tolerance (±0.05mm)
CNC/laser measurement for critical components (e.g., quartz flanges, wafer carriers) to match SEMI/MIL specs.
3D profiling for custom designs (tubes, crucibles, observation windows).
High-Temperature & Corrosion Validation
Lab-simulated 1,200°C thermal shock tests and HF/acid resistance trials (48hrs) for industrial durability.
Certifications: ISO 9001, RoHS, and customer-specific protocols (e.g., semiconductor fab audits).
Optical Performance Guarantee
UV-VIS-NIR spectroscopy to validate:
JGS2: >90% transmittance (185-2500nm) for UV applications.
JGS3: IR transparency (2600-3500nm) for laser/thermal systems.
Batch Traceability & Documentation
Unique QR codes for full lifecycle tracking (raw material → production → shipping).
COA (Certificate of Analysis) with critical parameters: bubble/streak counts, OH content, stress birefringence.
Pre-Shipment Destruction Testing
Random-sampling pressure tests (e.g., quartz reactors up to 10ATM) and microscopic flaw detection (100X magnification).
Compliance with ASTM E438-92 and DIN 58923 standards.
Why It Matters for Clients?
- Semiconductor/PV Clients: Near-zero CTE (5.5×10⁻⁷/°C) ensures lithography stability.
- Lab/Research: Hydrolytic Class 1 (low devitrification) for long-term experiments.
- Global Logistics: QC documentation pre-packaged for smooth customs clearance.