GB/T 6978-2007 "Test method for the determination of scoured yield of greasy wool - Drying oven method"

This standard specifies the washing rate of fat-containing wool by oven method, which is applicable to sheep wool and Miscellaneous plush fibers. The principle of the method is to measure the nominal moisture regain mass of the washed wool after washing and drying the fat-containing wool samples, and calculate its percentage of the fat-containing wool mass. The standard details the required instrumentation and steps, including the use of hair washers, days, etc., to ensure the accuracy of the determination. This method helps to evaluate the mass of wool after washing, and provides a reference for the production and quality control of wool products.

This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.