Leather. Physical and mechanical test methods for the determination of soiling - Rubbing (Martindale) methodWhat is this standard about? This document specifies a method for determining the resistance of all forms of leather to visible soiling through repeated contact with soiled objects. It provides a physical pretreatment routine for leathers that may be vulnerable to loss of soiling resistance while in service, prior to conducting further tests such as cleaning.

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BS EN 196-6 provides you guidance on the storage of cement for testing

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