Introduction CA117 test methods consist of several tests used to evaluate the cigarette ignition resistance of upholstery cover fabrics, barrier (interliner) materials, resilient filling materials, and decking materials used in the manufacture of upholstered furniture. Each test involves a miniature assembly consisting of the component to be tested along with other specified materials, mounted on a plywood mock-up that resembles a small chair seat and back. The assembly is exposed to a lighted cigarette as an ignition source.
1.Facility The test area shall be a room with a volume greater than 20 m3 (in order to contain sufficient oxygen for testing) or a smaller area equipped with inlet and extraction systems permitting the necessary flow of air. 2.Hood/Cabinet All smoldering tests shall be conducted under appropriate test hoods and/or test cabinets equipped with variable speed exhaust fans or other means of controlling the exhaust flow rates, such as dampers. Anemometer Airflow rates shall be between 0.02 m/s and 0.2 m/s 3.Mini-mock-up tester The mini-mock-up tester consists of a base with acentrally located guide and a stationary vertical panel, amovable horizontal carriage, and a removable vertical supportpanel. The base consists of two wooden panels, each nominally8 by 8 in. with nominal 0.75-in. thickness, joined togetherat one edge. The carriage has a 5 by 8-in. (125 by 203-mm)platform to support a horizontal specimen. The platform is 2.5in. (38 mm) above the floor of the base and has a 1.5-in.(38-mm) lip at the front edge. The carriage is grooved to fitover a guide provided on the floor of the base. The removablevertical support panel consists of a wooden panel nominally 8by 8 in. and with nominal 0.75-in. thickness, which standsagainst the vertical wall of the base.
4.Decking Materials Tester (DMT) Thedecking materials tester consists of a plywood base and aplywood retainer ring. The base measures 21 by 13.5 by 0.5 in.(533 by 343 by 13 mm). The retainer ring measures 21 by 13.5by 0.5 in. with an opening measuring 16 by 8.5 in. (406 by 216mm).