Ordinary concave-convex tube series product technical indicators
| Parameter item | Parameter standard |
| Total light transmittance (wall thickness 0.8mm) |
≥97% |
| Material grain average particle size |
20-30um |
| Bulk density |
≥3.9g/cm3 |
| Flexural strength |
≥350MPa |
| DC breakdown strength |
≥15KV/mm |
| Dielectric constant |
9-10.5 C²/(N·M²) |
| volume resistivity |
≥4.0×1012Ω·cm |
| Anti-acid |
≤0.7mg/cm2 |
| Anti-alkaline |
≤0.1mg/cm2 |
| Thermal shock resistance | Qualified |
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