NAS^® is the trade name for INEOS Styrolution brand of styrene methyl methacrylate (SMMA). NAS^® is produced from styrene monomer and methyl methacrylate and offers excellent processability, low moisture absorption, low residual stress, high rigidity, low density and excellent clarity and optics. NAS^® is an amorphous polymer that offers the high clarity of acrylic with the excellent processability of polystyrene. Most grades of NAS^® come with FDA and medical approvals. NAS^® is commonly used in applications such as glassware, pitchers, faucet knobs, cosmetic packaging, toys, POP displays and office parts. NAS^® can be impact modified to improve impact and toughness while maintaining clarity. NAS^® can also be used as a processing aid to reduce the fusion time in PVC compounds.