introduction
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Part 1 of the ISO/IEC Directive describes the procedures used to develop this document and for further maintenance. In particular, attention should be paid to the different approval criteria required for different types of ISO documents. This document has been drafted in accordance with the editorial rules of ISO/IEC Directive Part 2 (see iso.org/directives).

ISO 12543-4-2011 Glass for Construction

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This document was prepared by the Technical Committee ISO/TC 160, Glass in Construction, Sub-Committee SC 1, Product Considerations, in cooperation with the Technical Committee CEN/TC 129, Glass in Construction of the European Committee for Standardization (CEN), in accordance with the agreement on Technical cooperation between ISO and CEN (Vienna Agreement).

ISO 12543-4-2011 Glass for Construction

The third edition cancelled and replaced the technically revised second edition (ISO 12543-4:2011).

The main changes compared with the previous edition are as follows:

— Made editorial changes;

– Modified the terms of the radiation test and added a new type of lamp;

— Revised the expression of radiation test results.

A list of all the parts in the ISO 12543 series can be found on the ISO website.

Any feedback or questions on this document should be referred to the user’s national standards body. A complete list of these institutions can be found at iso.org/members.html.

ISO 12543-4-2011 Glass for Construction

1 Scope of Application
This document specifies the test methods for the resistance of laminated glass and laminated safety glass for construction to high temperature, humidity and radiation.

2 Normative reference documents
When the following documents are referenced in the text, some or all of them constitute the requirements of this document. For dated references, only the cited version applies. For undated citations, a new version of the referenced document (including any revisions) applies.

ISO 4892-2, plastics – Methods of exposure to laboratory light sources – Part 2: xenon arc lamps

ISO 9050, Glass in building – Determination of light transmittance, direct sunlight transmittance, total solar transmittance, ultraviolet transmittance and related glass coefficients

ISO 12543-1, Glass in building – laminated glass and laminated safety glass – Part 1: Definition and description of components

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