Property Specification
Type: Solid-Core Porcelain Station Post / Line Insulator
Features: Featuring a solid porcelain core design, this insulator uses a specialized cylindrical sand-band cementing system with precisely graded aggregate. This engineered bond delivers superior bond strength through thermal-expansion compatibility optimized with the ceramic body, maximizing overall structural integrity. High-strength ductile cast iron end flanges ensure even stress distribution throughout assembly and are finished with hot-dip galvanized coating for outstanding long-term corrosion protection. Assembled using high-quality industrial cement and advanced curing protocols, this single-column design delivers reliable performance, extended service life, and minimal maintenance across all voltage classes.
| Technical Parameter / Feature | Insulator Rating Value |
| Rated Operating Voltage | 20 kV |
| Maximum System Voltage | 24 kV |
| Wet Power-Frequency Withstand Voltage | 70 kV |
| Lightning Impulse Withstand Level (BIL) | 170 kV |
| Minimum Mechanical Failing Load (MFL) | 60 kN |
| Total Creepage Distance | 550 mm |
| Operating Ambient Temperature Range | -10°C to +60°C |
| Relative Humidity Tolerance | 80% at 30°C |
