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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