Dupont name the fiber Nylon. As the similarity between their names suggests, the two share some properties, but there are also key differences between these two types of nylon. Main Properties of Polyamide 6-10 include: Exhibits lower water absorption when compared to PA6 or PA66 It, and nylon 6, are the two most common for textile and plastic industries. Melting point of PA6-10 is 223°C. As Nylon 6 absorbs more water than Nylon 66 and has lower heat deflection temperatures, it is not suited to applications that are exposed to water at high temperatures. Most nylon 6 is produced in the form of filament yarns and staple fiber yarns for the manufacture of carpets, tire cords, apparel, hosiery, upholstery, seat belts, parachutes, ropes, and industrial cords. Nylon 6 and Nylon 66 are two of the most popular polymers used in the plastics, automotive and textile industries. There are two types of nylon fibers in the carpet industry, type 6 and type 6.6. High mould shrinkage. Both these compounds consist of 6 carbon molecules, which leads to name the polymer formed from them as nylon 6,6. Lower water absorption than Nylon 6 or Nylon 6/6 (4% @ saturation). Disadvantages . Retains room temperature toughness at lower temperatures than Nylon 6 or Nylon 6/6. Lower brittle temperature than Nylon 6 or Nylon 6/6. The two most popular grades of polyamide, also known as nylon, are type 6 and type 66 (sometimes seen as PA6 and PA66). Polyamide 6/10 and 6/12 (also called nylon 6/10 and 6/12) are thermoplastic polymers made from condensation polymerization of n-(do)decanedioic acid (or their diacid chlorides) and 1,6-hexanediamine. Nylon 6 does not have this level of internal bonding, resulting in a more open structure. Nylon 6 fiber is produced in two general product types: the regular type for textile uses and the high-strength type for industrial uses. Nylon 66 is made of two monomers each containing 6 carbon atoms, hexamethylenediamine and adipic acid, which give nylon 66 its name. Nylon 6,6 gives carpet the unique balance of strength, elasticity and durability it needs to survive in commercial installations. Both PA 6/10 and PA 6/6 are thermoplastics. Disadvantages . The ratio of carbon atoms is what gives each nylon type its unique property characteristics. Polyphthalamide/high performance polyamide (PPA) as a member of the nylon family is a semicrystalline material made from a diacid and a diamine. For each property being compared, the top bar is PA 6/10 and the bottom bar is PA 6/6. Commercially available the most popular nylons include nylon PA 6, nylon PA 66, nylon PA 11 and nylon PA 12. Nylon 66 (nylon 6-6, nylon 6/6 or nylon 6,6) is a type of polyamide or nylon. Lower brittle temperature than Nylon 6 or Nylon 6/6. PA 6-10 is produced by the polymerization of hexamethylene diamine with a dibasic acid i.e sebacic acid this this case. Nylon 66 would be a better choice between the two. Lower water absorption than Nylon 6 or Nylon 6/6 (4% @ saturation). There are 10 material properties with values for both materials. High mould shrinkage.