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ISO/NP 4211-7 Furniture — Tests for surface finishes — Part 7: Assessment of the effect of light exposure

Source:
ISO
Committee:
FW/0 - Furniture
Categories:
Information management | Standardization. General rules
Comment period start date:
Comment period end date:

Comment by:

Scope

This document specifies a method for the assessment of the effects of light in indoor conditions, by exposure to artificial radiation and applies to rigid surfaces of all finished products regardless of material. It does not apply to finishes on leather and fabrics. The test is intended to be carried out on a part of the finished furniture but can be carried out on test panels of the same material, finished in an identical manner to the finished product, and of a size sufficient to meet the requirements of the test. This document describes the most important parameters, such as the colour change when a surface is exposed and specifies the conditions to be used in the exposure apparatus. The light resistance of a surface can be assessed by using two apparatus as specified in Clause 4, one as a reference test method, and the other for in-company testing

Purpose

The light fastness of a furniture surface, e.g. with a printed decor layer or a uniform colour, is one of the most important properties. It is influencing the durability and the life span of a furniture. Until now on the ISO level no test method exists for furniture surfaces. To allow a worldwide unique comparison an ISO method is necessary. The base for this ISO method is the European standard EN 15187:2024. On this method a long-term experience exists and the reproducibility was also checked in RRTs in the frame of CEN/TC 207/WG 7. The test device (Xenon-test-device) is also in use in the US and in China. It is expected that during the technical discussion in ISO/TC 136/WG 8 further improvements of the method will be done

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Please email further comments to: debbie.stead@bsigroup.com

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