Norm

NEN-EN-ISO 8130-2:2010 en

Poederlakken - Deel 2: Bepaling van de dichtheid met een gas-pyknometer (referentie methode)

17,55

Over deze norm

Status Definitief
Aantal pagina's 3
Commissie Verfwaren
Gepubliceerd op 01-11-2010
Taal Engels
This part of IS0 8130 specifies a method for the determination of the density of coating powders using a gas comparison pyknometer. It can be used for ail types of coating powder, is simple to carry out, but requires more expensive instrumentation than is often used for density determinations. The density of coating powders can also be determined using the liquid displacement pyknometer method described in IS0 8130-3. The apparatus is relatively inexpensive, but the liquid displacement pyknometer method is liable to give erroneous results, particularly if the powder swells in contact with the displacement liquid used or the displacement liquid does not totally displace the air between the powder particles. The liquid displacement method is much slower in execution, less accurate and is only to be used if it can be shown that the same results will be obtained as for the gas comparison pyknometer method.

Details

ICS-code 87.040
Nederlandse titel Poederlakken - Deel 2: Bepaling van de dichtheid met een gas-pyknometer (referentie methode)
Engelse titel Coating powders - Part 2: Determination of density by gas comparison pyknometer (referee method)

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