| 摘要 |
PURPOSE:To provide a shutter type bathtub lid which does not produces harmful and poisonous gas even if burning treatment is performed, has good properties also and is recyclable. CONSTITUTION:A resin composition comprised by mixing up 70-30 pts.wt. polypropylene resin or polystyrene resin not containing halogen and a 30-70 pts.wt. inorganic filler with each other under heating is extrusion-molded and a main body 1 which possesses a flat bottom plate part 2 extending in the longitudinal direction and forms a flat cylindrical state is formed. Then in a plurality of the main bodies 1 which are arranged in a row at fixed intervals so that their long sides do not come into contact with each other in the lateral direction, their bottom plate parts 2 are connected with each other by a joint plate 5 which is in a ribbonlike state and made of flexible synthetic resin not containing the halogen and both end opening parts 6 of the main body 1 are closed by caps 7 made of synthetic resin not containing the halogen. |
