Color(mm)ClassHWIHAIElecImpStr BK1.5-1.65V-2--505050 Comparative Tracking Index (CTI):-Inclined Plane Tracking (IPT):- Dielectric Strength (kV/mm):-Volume Resistivity (10xohm-cm):- High-Voltage Arc Tracking Rate (HVTR):-High Volt, Low Current Arc Resis (D495):- ...