Greenshield and Blueshield are two innovative materials from Athena's HYDRONAT family, developed to meet the future needs of the HVAC sector, specifically designed for hybrid and hydrogen boilers. These compounds stand out for their ability to provide effective sealing against small molecules and exceptional impermeability to hydrogen. Greenshield offers resistance from -30°C to +140°C, while Blueshield operates efficiently within a temperature range of -25°C to +100°C. With over fifty years of experience, these solutions represent our commitment to innovation and sustainability in the boiler industry.