
DDP Diamond Dotted Insulation Paper for Oil Immersed Transformer. Diamond Dotted Structure: 9.5mm x 9.5mm diamond pattern with 15.9mm spacing ensures oil immersion and gas discharge. Enhanced Mechanical Strength: Prevents winding displacement during short circuits with sufficient bonding strength. Superior Dielectric Properties: Better dielectric and mechanical properties than normal DDP paper after heat solidification. Corona Discharge Prevention: Point-like resin coating effectively avoids corona and local discharge for safety. Flexible Customization: Offers flexible customization and customization from samples for specific needs. ISO 9001 Certified: Manufactured under strict quality control with ISO 9001 certification. SGS, ROHS, CE Certified: Products hold SGS, ROHS, and CE certificates for international compliance.