Since the 1960s, acrylics and other plastics have been used as well.
en.wikipedia.org Some of the products manufactured here include cooking oil, flour, cement, plastics, bottling and candies.
en.wikipedia.org These high-refractive-index plastics are typically thiourethanes, with the sulfur atoms in the polymer being responsible for the high refractive index.
en.wikipedia.org Products derived from plants include soaps, paints, shampoos, perfumes, cosmetics, turpentine, rubber, varnish, lubricants, linoleum, plastics, inks, chewing gum and hemp rope.
en.wikipedia.org Thus, for potential applications of plastics in solar absorbers an appropriate design including overheating protection is essential.
en.wikipedia.org