GB/T 6978-2007Test method for the determination of scoured yield of greasy wool - Drying oven method (English PDF)

1 Scope

This standard specifies the test method for determining the rate of Greasy hair wash.

This standard applies to wool fat-containing hair, other fibers may refer plush.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent

Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research

Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.

GB/T 5706 Textile terms (gross section)

GB/T 6977 oil washed wool, gray, miscellaneous content of the test method

GB/T 8170 numerical rounding rules

3 Terms and Definitions

GB/T 5706 and established in the following terms and definitions apply to this standard.

4 principle of the method

Greasy hair in addition to containing wool fiber, but also contains earth and sand, oil and sweat, grass and other miscellaneous. A certain quality of greasy hair after washing and drying to obtain scoured wool drying

Dry mass (which allows a predetermined amount of residual oil and ash), as amended by the moisture regain get scoured the quality of the official moisture regain containing

Greasy wool quality ratio is the rate of fat-containing wash hair.

5 equipment and appliances