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Significance and Use
4.1 Determination of the hydro-thermal area stability of wet blue provides information concerning the efficacy of the tanning process as well as the adequacy of the wet blue for intended end use applications where area stability is a particular requirement. Relative area stability of chrome-tanned leather is a requirement for many applications such as bookbinding, shoe and boot components, upholstery, seals and gaskets, etc.
1.1 This test method provides a standard procedure for determination of the dimensional stability or area shrinkage of a specimen of wet blue that is submersed in boiling water for a specified time period. This test method is applicable to all types of wet blue.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D6659 Practice for Sampling and Preparation of Wet Blue for Physical and Chemical Tests
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ICS Number Code 59.140.30 (Leather and furs)