https://www.pilkington.com/en-gb/uk/products/product-finderNSG TEC™ Solar Applications. NSG TEC™ is a group of products, including a comprehensive range of TCO glass (Transparent Conductive Oxide coated glass), optimised to suit a variety of thin film photovoltaics, with different haze and conductivity levels.. NSG TEC™ Technical Applications. NSG TEC™ offers a wide variety of thermal and heated glass performance properties, whilst increasing ...