ISO 11127-4:1993
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ISO 11127-4:1993
19141

Тезис

The procedure includes examining a small quantity of the sample under the microscope and, if grains of different colours or diameter are present, selecting a few grains of each, placing the selected grains between two glass microscope slides and, whilst applying pressure, slowly moving one slide over the other with a reciprocating motion for 10 s, examining the glass surfaces for scratches. The object of the method is to assess whether the sample has a minimum hardness of 6 on Mohs' scale. Annex A gives information on the international standards series for non-metallic blast-cleaning abrasives ISO 11126 and ISO 11127.


Общая информация 

  •  :  Withdrawn
     : 1993-12
  •  : 1
  •  : ISO/TC 35/SC 12 Preparation of steel substrates before application of paints and related products
  •  :
    25.220.10 Surface preparation

Жизненный цикл


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