This standard specifies the test method for determining the cleaning rate of greasy wool. This standard applies to the fat-containing wool of sheep wool, and other plush fibers can be implemented as a reference.
GB/T 6978-2007 history
2007GB/T 6978-2007 Test method for cleaning rate of greasy wool - Oven method
1986GB/T 6978-1986 Test method for the determination of scoured yield of greasy wool