Research Development
NGK Review No.40
NGK Review No.40 (Dec.2025)

Title
- Field Experience and Maintenance Assessment of RTV coated Cap and Pin Insulators in Japan
- Optimizing RTV coated insulator’s specification based on practical application
- Verification of Nitric Acid Immersion Test of Polymer Insulator Housing Materials for OHLs
- Consideration of test method for evaluating dielectric strength of insulator units of cap and pin type for DC transmission lines
- Study on the effectiveness of various artificial pollution test methods for RTV coated insulators
- NGK Contributions at CIGRE 2024 Paris Session