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About This Item

 

Full Description

This document specifies a method for determining the staining of porous substrates (e.g. marble, limestone, sandstone or granite) by sealants used in building construction. The method evaluates the likelihood of a sealant causing an early stain on a porous substrate due to exudation of materials from the sealant. The outcome of the test is specific to the tested sealant and tested substrate and cannot be extrapolated to other sealant formulations or other porous substrates. During this accelerated test, if the sealant does not stain or discolour the substrates, it does not mean that the tested sealant will not stain or discolour the tested porous substrate over a longer time period.

Cross References:
ISO 4892-2:2013
ISO 11431:2002
ISO 4892-1
ISO 4892-3
ISO 6927


All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. BS ISO 16938-1:2019

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    Buildings and civil engineering works. Determination of the staining of porous substrates by sealants used in joints-Test with compression

    • Most Recent
  2. BS ISO 16938-1:2008


    Building construction. Determination of the staining of porous substrates by sealants used in joints-Test with compression

    • Historical Version
  3. BS 02/104405 DC


    ISO/DIS 16938-1. Building construction. Determination of the staining of porous substrates by sealants used in joints. Part 1: Test with compression

    • Historical Version