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STANDARD 6334
First edition
2023-12
Thermal insulation products for
building equipment and industrial
installations — Expanded perlite
products — Specification
Isolation thermique pour les équipements de bâtiments et les
installations industrielles — Produits de perlite expansée —
Spécifications
Reference number
ISO 6334:2023(E)
© ISO 2023
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ISO 6334:2023(E)
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© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland
ii
© ISO 2023 – All rights reserved
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ISO 6334:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, symbols, units and abbreviated terms . 3
3.1 Terms and definitions . 3
3.2 Symbols, units and abbreviated terms . 3
3.2.1 Symbols and units . 3
3.2.2 Abbreviated terms for declared properties . 4
3.2.3 Abbreviated terms . 4
4 Requirements . 4
4.1 General . 4
4.2 For all applications . 4
4.2.1 Thermal conductivity . 4
4.2.2 Dimensions and tolerances . 5
4.2.3 Dimensional stability . 5
4.2.4 Fire properties . 5
4.2.5 Durability characteristics . 5
4.3 For specific applications . 6
4.3.1 General . 6
4.3.2 Maximum service temperature (ST) .
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