Aachen, Germany — A three-layer polyurethane coating from PPG formulated with a bio-based hardener Desmodur eco-N 7300 from Covestro will take part in the World Solar Challenge.
The challenge is the toughest solar race on earth and celebrates its 30th anniversary this year. It is a 3000 km race from Darwin to Adelaide, Australia fuelled entirely by sunlight, Covestro said.
The materials are being used on a vehicle, the Sonnenwagen, which was developed by students at RWTH Aachen University and the Aachen University of Applied Sciences.
The race is scheduled to be held in October and vehicles could experience temperatures of up to 45°C, high UV radiation and high dust content, Covestro said.
The company adds it supplied polyurethane and polycarbonate materials which contribute to the lightweight and aerodynamic design of the solar car for several components are.
