Natural stone test methods - Determination of resistance to salt crystallisation

This document specifies a test method to assess the relative resistance of natural stones with an open porosity of greater than 5 %, measured in accordance with EN 1936, to damage caused by the crystallization of salts. The test is not necessary for low porosity stones.

Prüfverfahren für Naturstein - Bestimmung des Widerstandes gegen Kristallisation von Salzen

Dieses Dokument legt ein Prüfverfahren fest, um die relative Beständigkeit von Natursteinen, deren offene Porosität > 5 % ist, gemessen nach EN 1936 gegen Schäden durch die Kristallisation von Salzen zu bewerten. Das Prüfverfahren ist nicht erforderlich für Naturstein mit einer geringen Porosität.

Méthodes d'essai pour pierres naturelles - Détermination de la résistance à la cristallisation des sels

Le présent document spécifie une méthode d'essai pour évaluer la résistance relative aux altérations causées par la cristallisation des sels des pierres naturelles dont la porosité ouverte, mesurée conformément à l'EN 1936, est supérieure à 5 %. Cet essai n'est pas nécessaire pour les pierres à faible porosité.

Preskušanje naravnega kamna - Ugotavljanje odpornosti proti kristalizaciji soli

General Information

Status
Published
Publication Date
03-Mar-2020
Technical Committee
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
04-Mar-2020
Completion Date
04-Mar-2020

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SLOVENSKI STANDARD
SIST EN 12370:2020
01-maj-2020
Nadomešča:
SIST EN 12370:2000
Preskušanje naravnega kamna - Ugotavljanje odpornosti proti kristalizaciji soli
Natural stone test methods - Determination of resistance to salt crystallisation

Prüfverfahren für Naturstein - Bestimmung des Widerstandes gegen Kristallisation von

Salzen
Méthodes d'essai pour pierres naturelles - Détermination de la résistance à la
cristallisation des sels
Ta slovenski standard je istoveten z: EN 12370:2020
ICS:
73.020 Rudarstvo in kamnolomsko Mining and quarrying
izkopavanje
91.100.15 Mineralni materiali in izdelki Mineral materials and
products
SIST EN 12370:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 12370:2020
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SIST EN 12370:2020
EN 12370
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2020
EUROPÄISCHE NORM
ICS 73.020; 91.100.15 Supersedes EN 12370:1999
English Version
Natural stone test methods - Determination of resistance
to salt crystallisation

Méthodes d'essai pour pierres naturelles - Prüfverfahren für Naturstein - Bestimmung des

Détermination de la résistance à la cristallisation des Widerstandes gegen Kristallisation von Salzen

sels
This European Standard was approved by CEN on 1 December 2019.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12370:2020 E

worldwide for CEN national Members.
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SIST EN 12370:2020
EN 12370:2020 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

Introduction .................................................................................................................................................................... 4

1 Scope .................................................................................................................................................................... 5

2 Normative references .................................................................................................................................... 5

3 Terms and definitions ................................................................................................................................... 5

4 Symbols ............................................................................................................................................................... 5

5 Principle ............................................................................................................................................................. 5

6 Apparatus ........................................................................................................................................................... 5

7 Preparation of specimens ............................................................................................................................ 6

7.1 Sampling ............................................................................................................................................................. 6

7.2 Dimensions of test specimens .................................................................................................................... 6

7.3 Washing .............................................................................................................................................................. 6

7.4 Drying .................................................................................................................................................................. 6

8 Procedure........................................................................................................................................................... 6

9 Expression of results ...................................................................................................................................... 7

10 Test report ......................................................................................................................................................... 7

Bibliography .................................................................................................................................................................... 9

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SIST EN 12370:2020
EN 12370:2020 (E)
European foreword

This document (EN 12370:2020) has been prepared by Technical Committee CEN/TC 246 “Natural

stones”, the secretariat of which is held by UNI.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by September 2020, and conflicting national standards shall

be withdrawn at the latest by September 2020.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN 12370:1999.

The significant changes between this document and the previous edition are listed herewith:

— updating of Clause 8.

According to the CEN-CENELEC Internal Regulations, the national standards organisations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,

Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,

Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North

Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United

Kingdom.
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SIST EN 12370:2020
EN 12370:2020 (E)
Introduction

This document describes a test designed to assess the salt crystallization resistance of natural stones

where it is relevant. The test cannot be used in isolation and results will be considered with other physical

tests to indicate durability; these include EN 12371 “Determination of frost resistance”.

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SIST EN 12370:2020
EN 12370:2020 (E)
1 Scope

This document specifies a test method to assess the relative resistance of natural stones with an open

porosity of greater than 5 %, measured in accordance with EN 1936, to damage caused by the

crystal
...

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