F.1 PrincipleThe test specimen is subjected to a specified number of cyclic operations whilst under lateral and longitudinal tension. F.2 ApparatusF.2.1 Vertically operated testing machine of the type shown in Figure F.1 and providing the following facilities. a) Means of holding the test specimen firmly at the bottom end, with the fastener in the closed … Continue reading BS 3084 Slide fasteners (Zips) – Test for Resistance to Reciprocation / Testing Equipment