The Accelerotor as a Test Machine for Felting Shrinkage

Results of felting shrinkage tests on a number of worsted and woolen fabrics using a modified form of the AATCC Accelerotor1 abrasion tester reveal a significant rela tionship to shrinkages obtained in three domestic washing machines. This, together with the rapidity with which these tests can be carried out, show that the modified Accelerotor could be useful as a laboratory-scale felting-shrinkage tester.