EN 12905:2012

Products used for treatment of water intended for human consumption - Expanded aluminosilicate

This European Standard is applicable to expanded aluminosilicate used for treatment of water intended for human consumption. It describes the characteristics of and specifies the requirements and the corresponding test methods for expanded aluminosilicate. It gives information on its use in water treatment.

Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Expandierte Aluminiumsilikate

Diese Europäische Norm gilt für expandierte Aluminiumsilikate zur Aufbereitung von Wasser für den menschlichen Gebrauch. Sie beschreibt die Eigenschaften von expandierten Aluminiumsilikaten und legt die Anforderungen sowie die entsprechenden Prüfverfahren für expandierte Aluminiumsilikate fest. Sie enthält Angaben zu dessen Anwendung in der Wasseraufbereitung.

Produits utilisés pour le traitement de l’eau destinée à la consommation humaine - Aluminosilicate expansé

La présente Norme européenne s’applique à l’aluminosilicate expansé utilisé pour le traitement de l’eau destinée à la consommation humaine. Elle décrit les caractéristiques de l’aluminosilicate expansé et spécifie les exigences et les méthodes d’essai correspondantes. Elle donne des informations sur son emploi dans le traitement de l’eau.

Proizvodi, ki se uporabljajo za pripravo pitne vode - Ekspandirani aluminijev silikat

Ta dokument obravnava ekspandirani aluminijev silikat, ki se uporablja za pripravo pitne vode. Opisuje značilnosti ekspandiranega aluminijevega silikata ter določa zahteve in ustrezne preskusne metode zanj. Standard podaja informacije o uporabi ekspandiranega aluminijevega silikata pri pripravi vode.

General Information

• Status: Published
• Publication Date: 30-Oct-2012
• Withdrawal Date: 29-Apr-2013
• ICS: 71.100.80 - Chemicals for purification of water
• Technical Committee: CEN/TC 164 - Water supply
• Drafting Committee: CEN/TC 164/WG 9 - Drinking water treatment
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 09-Mar-2026
• Completion Date: 03-Jun-2026
• Ref Project: SIST EN 12905:2013 - Products used for treatment of water intended for human consumption - Expanded aluminosilicate

Relations

• Replaces: EN 12905:2005 - Products used for treatment of water intended for human consumption - Expanded aluminosilicate
• Effective Date: 08-Jun-2022
• Refers: EN 12902:2004 - Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Methods of test
• Effective Date: 28-Jan-2026
• Refers: EN 12901:1999 - Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Definitions
• Effective Date: 28-Jan-2026
• Referred By: EN 60601-1:2006/A1:2013 - Medical electrical equipment - Part 1: General requirements for basic safety and essential performance
• Effective Date: 09-Feb-2026
• Referred By: EN ISO 15883-5:2021 - Washer-disinfectors - Part 5: Performance requirements and test method criteria for demonstrating cleaning efficacy (ISO 15883-5:2021)
• Effective Date: 28-Jan-2026
• Referred By: EN ISO 3826-1:2013 - Plastics collapsible containers for human blood and blood components - Part 1: Conventional containers (ISO 3826-1:2013)
• Effective Date: 28-Jan-2026
• Referred By: EN ISO 25539-3:2011 - Cardiovascular implants - Endovascular devices - Part 3: Vena cava filters (ISO 25539-3:2011)
• Effective Date: 28-Jan-2026
• Referred By: EN ISO 3826-1:2019 - Plastics collapsible containers for human blood and blood components - Part 1: Conventional containers (ISO 3826-1:2019)
• Effective Date: 28-Jan-2026
• Referred By: EN ISO 25539-3:2024 - Cardiovascular implants - Endovascular devices - Part 3: Vena cava filters (ISO 25539-3:2024)
• Effective Date: 28-Jan-2026
• Referred By: EN ISO 14607:2025 - Non-active surgical implants - Mammary implants - Specific requirements (ISO 14607:2024)
• Effective Date: 28-Jan-2026
• Referred By: EN ISO 3990:2023 - Dentistry - Evaluation of antibacterial activity of dental restorative materials, luting materials, fissure sealants and orthodontic bonding or luting materials (ISO 3990:2023)
• Effective Date: 28-Jan-2026
• Referred By: EN 14898:2006+A1:2007 - Water conditioning equipment inside buildings - Active media filters - Requirements for performance, safety and testing
• Effective Date: 28-Jan-2026
• Referred By: EN ISO 7405:2018 - Dentistry - Evaluation of biocompatibility of medical devices used in dentistry (ISO 7405:2018, Corrected version 2018-12)
• Effective Date: 28-Jan-2026
• Referred By: EN ISO 7198:2017 - Cardiovascular implants and extracorporeal systems - Vascular prostheses - Tubular vascular grafts and vascular patches (ISO 7198:2016)
• Effective Date: 28-Jan-2026
• Referred By: EN ISO 21649:2009 - Needle-free injectors for medical use - Requirements and test methods (ISO 21649:2006)
• Effective Date: 28-Jan-2026

Overview

EN 12905:2012 is a European Standard developed by CEN covering expanded aluminosilicate as a product used in the treatment of water intended for human consumption. This standard specifies the requirements, characteristics, and test methods for expanded aluminosilicate, ensuring its safe and effective use in drinking water treatment processes. The document outlines the chemical and physical properties, provides guidance on application, handling, and storage, and references related standards crucial for compliance within the European Union and EFTA member states.

Key Topics

• Scope and Purpose: EN 12905:2012 is specifically focused on expanded aluminosilicate used for potable water treatment, defining its suitability and performance criteria.
• Physical and Chemical Properties: The standard describes the required appearance (granular, grey-brown to red-brown), density, particle size distribution, porosity, and chemical composition of the material.
• Test Methods: Methods for assessing the material’s bulk density, particle size range, acid-soluble content, and other essential parameters are specified, mostly referencing EN 12902.
• Safety and Handling: Expanded aluminosilicate is non-hazardous; however, dust masks are recommended during handling of dry products to prevent inhalation. Emergency measures are basic and straightforward.
• Labelling and Packaging: The product must be clearly labelled with its type, trade name, particle size, and compliance with EN 12905:2012. Both bulk and bagged delivery are permitted, provided purity is not compromised.
• Compliance and Regulation: The standard requires manufacturers and suppliers to notify users of any impurities present and to comply with national regulations regarding the use of expanded aluminosilicates in water treatment.

Applications

Expanded aluminosilicate is widely used in the water treatment industry for:

• Filtration Media: Serves as a granular filter material in both single and multi-media filters for municipal, industrial, and commercial drinking water systems.
• Support Media for Biofiltration: Provides structural support for biofiltration systems, facilitating biological treatment processes in drinking water purification.
• Versatile Filter Systems: Applicable in both open and closed filter units, adapting to various process requirements.
• Water Quality Improvement: Helps remove suspended solids and improves clarity and safety of water intended for human consumption.

The selection of particle size and quantity depends on the specific filtration application, the quality of the raw water, and the required flow rates. Expanded aluminosilicate exhibits high mechanical strength and stability, with minimal secondary effects, supporting long-term use and reliable filtration performance.

Related Standards

For comprehensive compliance, reference the following standards alongside EN 12905:2012:

• EN 12901: Definitions for inorganic supporting and filtering materials used in water treatment.
• EN 12902: Test methods for inorganic supporting and filtering materials in water treatment applications.
• Council Directive 98/83/EC: Pertains to the quality of water intended for human consumption.
• Regulation (EC) No 1272/2008: Covers classification, labelling, and packaging of substances and mixtures (CLP Regulation).

EN 12905:2012 plays a key role in standardizing the use of expanded aluminosilicate in drinking water treatment across Europe, supporting public health, regulatory compliance, and effective water purification practices.

Keywords: expanded aluminosilicate, water treatment, drinking water, EN 12905, filtration media, CEN standard, water purification, inorganic filtering materials, potable water, product requirements, compliance.

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Proizvodi, ki se uporabljajo za pripravo pitne vode - Ekspandirani aluminijev silikatProdukte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Expandierte AluminiumsilikateProduits utilisés pour le traitement de l’eau destinée à la consommation humaine - Aluminosilicate expanséProducts used for treatment of water intended for human consumption - Expanded aluminosilicate71.100.80Chemicals for purification of water13.060.20Pitna vodaDrinking waterICS:Ta slovenski standard je istoveten z:EN 12905:2012SIST EN 12905:2013en,fr,de01-april-2013SIST EN 12905:2013SLOVENSKI
STANDARDSIST EN 12905:20061DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 12905
October 2012 ICS 71.100.80 Supersedes EN 12905:2005English Version
Products used for treatment of water intended for human consumption - Expanded aluminosilicate
Produits utilisés pour le traitement de l'eau destinée à la consommation humaine - Aluminosilicate expansé
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Expandierte Aluminiumsilikate This European Standard was approved by CEN on 9 September 2012.
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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12905:2012: ESIST EN 12905:2013

General information on expanded aluminosilicate . 9Bibliography . 12 SIST EN 12905:2013

uniformity coefficient: (U) which shall be less than 1,5;
minimum size: (d1) with a maximum deviation of ± 5 %. or b) by particle size range and by mass fraction of oversize and und
...