Mapecoat TNS Binder [NA] is a 100%-acrylic latex compound that can be mixed with various sands to meet a variety of International Tennis Federation (ITF) pace ratings on indoor and outdoor sports surfaces. Mapecoat TNS Binder [NA] is a flexible coating product that can be used as a colored topcoat. It is part of the Mapecoat TNS System, which forms durable and comfortable playing surfaces.