Norm

ISO/DIS 8502-3:2014 en

Voorbehandeling van staal voor het aanbrengen van verven en aanverwante producten - Beproevingen voor de beoordeling van de oppervlaktereinheid - Deel 3: Beoordeling van stof op stalen oppervlakken die voorbehandeld zijn om te verven (methode met drukgevoelig band)

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Over deze norm

Status Ontwerp
Aantal pagina's 7
Commissie Verfwaren
Gepubliceerd op 10-04-2014
Taal Engels
This part of ISO 8502 describes a method for the assessment of dust remaining on cleaned steel surfaces prepared for painting. It provides pictorial ratings for the assessment of the average quantity of dust. It also provides descriptive classes for the assessment of the average size of the dust particles. The method may be carried out either a) as a “pass/fail” test by assessing the quantity of dust present on a test surface, and the average dust particle size, in comparison with specific limits; or b) to provide a permanent record of the dust present on a surface by mounting the tapes used to carry out the tests on tiles, cards or paper, of an appropriate contrasting colour. This method is suitable for the assessment of dust retained, after cleaning, on a steel surface which corresponded before cleaning to rust grade A, B or C as defined in ISO 8501-1. Because of the limited elasticity of adhesive tape, it is not possible for the tape to penetrate into the deep pits present in cleaned steel that originally corresponded to rust grade D. While a test procedure in which pressure is applied to a tape using the thumb is subjective, it is usually adequate, especially for use in situations where surfaces free from dust are required. In cases of dispute, except when rust grade C or D is involved, pressure may be applied to the back of the adhesive tape using a spring-loaded roller.

Details

ICS-code 25.220.10
Nederlandse titel Voorbehandeling van staal voor het aanbrengen van verven en aanverwante producten - Beproevingen voor de beoordeling van de oppervlaktereinheid - Deel 3: Beoordeling van stof op stalen oppervlakken die voorbehandeld zijn om te verven (methode met drukgevoelig band)
Engelse titel Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 3: Assessment of dust on steel surfaces prepared for painting (pressure-sensitive tape method)
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