1. DOW CORNING® INSULATOR MAINTENANCE SOLUTIONS
Marketed in this region by:
Project Sales Corporation, 28 Founta Plaza, Suryabagh, Visakhapatnam 530020, AP
Call 0891 2564393, 6666482 Fax 0891 2590482 Mob: 098851 49412
Features Dow Corning® 5 Silicone Compound Dow Corning® 3099 HVIC Compound Dow Corning Xiameter Sylgard® HVIC + Coating
Water Repellency Good. After 12 months on bushings in Very Good. Forms a tenacious coating Excellent hydrophobicity even after very extended
a 34.5 kv substation, DC 5 Compound resistant to water erosion. Compound periods of service over 10 years. This is invaluable to
was resisting flashover and still water allows for fluid migration over any trapped high voltage applications because without it,
repellent. particulate contamination ensuring long‐ contaminants on the surface become wet and produce
term water repellency. a conductive layer of ionisable material.
Resistance to atmospheric Good. Resistance to oxidation, Very Good. Contains arc resistance filler Excellent. Unaffected by salt air, airborne pollutants,
degradation. moisture and salt spray. that gives it long‐term resistance property rain or humidity. Resistant against sandstorms and all
against water, ultraviolet light, and atmospheric influences. Remains rubber like under all
particulate contamination. weathering conditions. Retains flexibility and colour.
Arc Resistance 101 seconds. Time to erode, 1/8” coating at 2.5 kv: 800 Arc resistance, track, seconds: 140
minutes Arc Resistance, burn out, seconds: >420
Appearance Translucent wet grease consistency Opaque gray grease consistency White dry coating
Ease of application Easy to apply by hand, brush or Soft and easy to apply by brush, hand, or Can be applied by spraying, brushing or dipping.
wiping. cloth pad. Can also be applied with airless Uniform coating is formed using a conventional spray
spray equipment. gun or airless spray equipment.
Coating Thickness Required 1.5 to 3 mm 1.5 – 3 mm 50 mils or 0.5 mm
Specific Gravity at 25°C 1 1.3 1.19
Service Life Dependant on service conditions. Test data shows the product allows Has proven in the field conditions at various locations
Silicone compounds are normally extended usage after the first signs of around the world for 10‐15 years. Many locations in
replaced after the first signs of arcing. Exact service life can be India including Gridco, Orissa; Reliance, Gujarat;
tracking. For reference, product has determined by judgment based on Paradeep Phosphates, Orissa; CESCO, Orissa;
given more than 18 months life at experience. Used at many installations in Railways, Ennore; 400 kvSS Kalapaka, AP, Gujarat
Rain Calcining Limited, India. Expected life in medium level Ambuja Cements, etc. Depending upon service
Visakhapatnam and Naval Wharf pollution is 18‐36 months. conditions, guarantee can be given for 3‐5 years.
Substation, APTRANSCO.