Technologies

Chemical Sciences

Title:

NALSUN - Cost-Effective Solar Coating for Solar Thermal Applications

Area:

Chemical Sciences

Status:

Real life

Patent:

Patented in India, US, Europe and Canada.

Developing Agency:

Council of Scientific & Industrial Research (CSIR) - National Chemical Laboratory (NCL)

Brief Description

Description :

NALSUN coatings are nanocomposite coatings having excellent optical properties (high absorption & low emittance) with a service life of 25 years for water heating applications. NALSUN bath has following other advantages:

  • operable at room temperature;
  •  requires normal plating current densities;
  • good shelf-life;
  • simple bath control and maintenance; 
  • good covering power-requires no nickel undercoat on copper;
  • low refrigeration cost;
  • cost effective process.

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