Specification of the acceptable limit of light, which may pass through the wall of the pipe.The determination is carried out with a light source and a photoelectric cell. The percentage of light, which is passing through the test piece, shall be less than 0,2 %.
Status : WithdrawnPublication date : 1976-04
Edition : 1Number of pages : 1
Technical Committee:General properties of pipes, fittings and valves of plastic materials and their accessories -- Test methods and basic specifications