METHOD OF GRADING MICROFIBER CLEANING CLOTHS

摘要

A method (10) of grading a microfiber cleaning cloth is provided. The method includes determining a basis weight (22) of the microfiber cleaning cloth; assigning (24) the microfiber cleaning cloth a heavy-duty grade if the basis weight is greater than 400 g/m²; assigning the microfiber cleaning cloth a medium-duty grade if the basis weight is between about 300 to 400 g/m²; and assigning the microfiber cleaning cloth a light-duty grade if the basis weight is less than about 300 g/m².