NF EN ISO 2884-1

NF EN ISO 2884-1

September 2024
Standard Current

Paints and varnishes - Determination of viscosity using rotational viscometers - Part 1: Absolute viscosity measurement with cone-plate measuring geometry at high shear rates

This document specifies the general procedure to be followed in determining the dynamic viscosity of unpigmented coating materials, such as paints, varnishes and related products, as well as binders at a shear rate range between 9 000 s−1 and 12 000 s−1. It describes an absolute viscosity measurement with cone-plate measuring geometry at high shear rates.The measured value gives information about the resistance offered by the material to brushing, spraying and roller coating during application.The method specified in this document is suitable for all paints and varnishes whether they are Newtonian in behaviour or not. For materials containing dispersions of large particles, the measuring geometry is expected to be adapted.

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Main informations

Collections

National standards and national normative documents

Publication date

September 2024

Number of pages

16 p.

Reference

NF EN ISO 2884-1

ICS Codes

87.040   Paints and varnishes

Classification index

T30-029-1

Print number

1

International kinship

ISO 2884-1:2024

European kinship

EN ISO 2884-1:2024
Sumary
Paints and varnishes - Determination of viscosity using rotational viscometers - Part 1: Absolute viscosity measurement with cone-plate measuring geometry at high shear rates

This document specifies the general procedure to be followed in determining the dynamic viscosity of unpigmented coating materials, such as paints, varnishes and related products, as well as binders at a shear rate range between 9 000 s−1 and 12 000 s−1. It describes an absolute viscosity measurement with cone-plate measuring geometry at high shear rates.

The measured value gives information about the resistance offered by the material to brushing, spraying and roller coating during application.

The method specified in this document is suitable for all paints and varnishes whether they are Newtonian in behaviour or not. For materials containing dispersions of large particles, the measuring geometry is expected to be adapted.

Replaced standards (1)
NF EN ISO 2884-1
October 2006
Standard Cancelled
Paints and varnishes -Determination of viscosity using rotary viscometers - Part 1 : cone-and-plate viscometer operated at a high rate of shear

This part of ISO 2884 is one of a series dealing with the sampling and testing of paints, varnishes and related products. It supplements ISO 2431:1993, Paints and varnishes — Determination of flow time by use of flow cups. It specifies the general procedure to be followed in determining the dynamic viscosity of paints, varnishes and related products at a rate of shear between 9 000 s?1 and 12 000 s?1. The value obtained gives information about the resistance offered by the material to brushing, spraying and roller coating during application. The method specified in this part of ISO 2884 is suitable for all paints and varnishes whether they are Newtonian in behaviour or not. Materials containing dispersions of large particles will produce spurious results.

Table of contents
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Ensemble de mesure
  • 5 Échantillonnage
  • 6 Vérification de l'ensemble de mesure
  • 7 Mode opératoire
  • 8 Répétabilité et erreur de mesure
  • 9 Rapport d'essai
  • A Viscosimètre cône/plateau
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