NBN EN ISO 4628-6:2023

Paints and varnishes - Evaluation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 6: Assessment of degree of chalking by tape method (ISO 4628‑6:2023)

ACTIVE

About this standard

Languages
German, English and French
Type
NBN
Standards committee
CEN/TC 139
Status
ACTIVE
Publication date
26 October 2023
ICS Code
87.040 (Paints and varnishes)
Withdrawn Date
Price
€ 37,00

About this training

Summary

This document provides pictorial reference standards for designating the degree of chalking of paint coatings. It also describes a method by which the degree of chalking is rated. In using this method, it is essential that care be taken to distinguish between true degradation products and adhering dirt, particularly when chalking is slight.