Hyosung Chemical's Materials Technology is Always There for Your Convenient Daily Life Polypropylene(PP) synthetics have obtained global competitiveness thanks to vertical integration in production from source to final product. Nylon film, which holds the leading market share in the industry, and top quality TPA(High-purity terephthalic acid). State-of-the-art semiconductor. Nitrogen trifluoride, industrial specialized gas used in processing solar battery displays. TAC film for LCD polarizing plates which was internally developed and is now being solely provided to the domestic market. Polyketone, the first to be commercialized in the world. These are all internationally competitive products provided by Hyosung Chemicals.