Purity Specifications
Interactive grading dashboard. Select a grade to view detailed impurity thresholds and primary applications. Note that Semiconductor and Photonic grades measure impurities in parts per billion (ppb).
Semiconductor Grade (6N)
99.9999% SiO₂Ultra-high purity quartz necessary for pulling monocrystalline silicon boules. The critical bottleneck of the modern tech economy.
Target Applications
- CZ Crucibles
- Semiconductor Wafers
- High-End Optics
Max Impurities Strict Tolerance
al< 8 ppm
ti< 1 ppm
fe< 0.1 ppm
na< 0.2 ppm
k< 0.2 ppm
li< 0.2 ppm