CHL/629
WTO/TBT
CL Chili
  • 91 - Bâtiment et matériaux de construction
2023-05-26
2023-04-04

Cement - Determination of the specific surface through Blaine permeability apparatus

NCh 159:2019 Cemento- Determinación de la superficie específica por el permeabilìmetro de Blaine (NCh 159:2019 Cement - Determination of the specific surface through Blaine permeability apparatus); (15 pages, in Spanish)

The notified rule establishes the test method for determining the specific surface of cements, expressed in cm2/g, using Blaine permeability apparatus. The method may be manual or automatic, the former being the reference method. This rule applies to cements to be used in the creation of mortars and concretes. This rule does not concern safety issues, if there are any, associated with its use. It is the responsibility of the user of this rule to establish appropriate health and safety practices, and to determine the degree of application of the regulatory limitations prior to use.

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