Item | Index |
Raw Material | Fused Silica |
Purity | ≥99.8% |
Bulk density( g / cm3) | >1.98 |
Apparent porosity ( %) | 7-11 |
Compression strength(MPa) | ≥60 |
Transverse strength(Mpa) | ≥30 |
Expasion Coefficient(×10-6 /°C) | <0.6 |
Surface Roughness(um) | ≤1.6 |
OD Tolerance(mm) | ±0.05 |
T.I.R.(Tolerance In Rotation,mm) | ≤0.10 |