Washing load ballast makeweight

They are used to ensure that a wash load used for garment testing is of a sufficient weight. This closely simulates the washing of a garment in domestic washing machines.                                                                                                         

4105 Polyester Ballast: As specified in BS EN ISO 6330: 2012 (Type iii), M&S Methods

4110 Polyester Ballast: As specified in ISO 26330: 1994 and IWS Test Methods.