ISO 18473-2:2015
(Main)Functional pigments and extenders for special applications - Part 2: Nanoscale titanium dioxide for sunscreen application
Functional pigments and extenders for special applications - Part 2: Nanoscale titanium dioxide for sunscreen application
ISO 18473-2:2015 specifies requirements and corresponding methods of test for nanoscale titanium dioxide in powder form for sunscreen application. This part of ISO 18473 covers the surface modified, TiO2.
Pigments et matières de charge fonctionnels pour applications spéciales — Partie 2: Dioxyde de titane nanométrique pour protections solaires
La présente partie de l'ISO 18473 spécifie les exigences et méthodes d'essai correspondantes pour le dioxyde de titane nanométrique utilisé sous forme de poudre dans les protections solaires. La présente partie de l'ISO 18473 traite du TiO2 à surface modifiée.
General Information
- Status
- Published
- Publication Date
- 19-Aug-2015
- Technical Committee
- ISO/TC 256 - Pigments, dyestuffs and extenders
- Drafting Committee
- ISO/TC 256/WG 7 - Functional pigments and extenders
- Current Stage
- 9020 - International Standard under periodical review
- Start Date
- 15-Oct-2025
- Completion Date
- 15-Oct-2025
Relations
- Effective Date
- 06-Jun-2022
Overview
ISO 18473-2:2015 is an international standard published by the International Organization for Standardization (ISO) that specifies requirements and test methods for nanoscale titanium dioxide (TiO2) powders intended for sunscreen applications. This part of ISO 18473 focuses on surface-modified titanium dioxide, tailored to enhance UV protection in sunscreen formulations. Given the increasing use of nanoscale TiO2 for its superior UV attenuation and transparency on skin, ISO 18473-2 provides a crucial framework for consistent quality and performance.
Key Topics
Scope and Application
The standard covers nanoscale TiO2 powders specifically designed for sunscreen use, emphasizing surface-modified variants that optimize UV protection.Classification of Titanium Dioxide
Nanoscale TiO2 is classified by crystal structure using X-ray diffraction (XRD), with the primary types being anatase or rutile. These structural types influence UV absorption and scattering properties.Technical Requirements
Key technical specifications for sunscreen-grade nanoscale TiO2 include:- Median primary particle size ≤ 100 nm (measured by TEM or DLS)
- Specific surface area ≥ 15 m²/g (using BET method)
- Titanium dioxide content ≥ 70% by mass
- Crystal structure identified as either anatase or rutile
- Restricted levels of heavy metals such as Hg, Pb, and As according to legislative requirements
- Moisture content and loss on ignition as agreed between stakeholders
Testing Methods
The standard prescribes validated analytical techniques such as Transmission Electron Microscopy (TEM), Dynamic Light Scattering (DLS), X-ray Diffraction (XRD), and gas adsorption methods for specific surface area (BET). Sampling recommendations follow ISO 2859 procedures for inspection by attributes.Marking and Labelling
Packaging must include clear labeling of manufacturer information, product type, brand, net weight, batch number or production date, the ISO standard reference, and storage instructions like “store dry.”Reporting
Test reports must identify the product, reference ISO 18473-2, present test results and methods, note deviations if any, and include the test date and location to ensure traceability.
Applications
ISO 18473-2:2015 is vital for manufacturers, suppliers, and quality control laboratories involved in producing and testing nanoscale titanium dioxide used in sunscreens. Its adoption facilitates:
Enhanced UV Protection
Nanoscale TiO2 offers superior UV blocking through efficient absorption and scattering while maintaining skin transparency, making sunscreens more effective and cosmetically appealing.Quality Assurance and Trade
By establishing clear specifications and test methods, the standard minimizes misunderstandings between buyers and suppliers, ensuring consistent product quality and regulatory compliance.Regulatory Compliance
The inclusion of limits aligned with legislative requirements for contaminants like mercury (Hg), lead (Pb), and arsenic (As) supports safe use and market acceptance across different regions.Product Development and Innovation
The standardized parameters help researchers and formulators optimize surface modification and particle size for improved performance and safety in personal care products.
Related Standards
ISO 18473-1: Nanoscale calcium carbonate for sealant applications, complements Part 2 by covering another functional pigment for special industrial uses.
ISO 591-1: Titanium dioxide pigments for paints - Specifications and methods of test, referenced for TiO2 content analysis.
ISO 787-2: General methods for determination of matter volatile at 105 °C, used for moisture content assessment.
ISO 2859: Sampling procedures for inspection by attributes, critical for representative sampling of powdered products.
ISO 3262-1: Extenders for paints - Specifications and general test methods, used for loss on ignition tests.
ISO 9277: Determination of specific surface area by gas adsorption (BET method), important for assessing TiO2 surface characteristics.
ISO 18473-2:2015 ensures that nanoscale titanium dioxide used in sunscreens meets stringent quality, safety, and performance benchmarks, supporting the development of effective, cosmetically acceptable, and safe UV protection products. By adhering to this standard, stakeholders can enhance consumer trust and facilitate global trade in advanced functional pigments for personal care applications.
ISO 18473-2:2015 - Functional pigments and extenders for special applications
ISO 18473-2:2015 - Pigments et matieres de charge fonctionnels pour applications spéciales
Frequently Asked Questions
ISO 18473-2:2015 is a standard published by the International Organization for Standardization (ISO). Its full title is "Functional pigments and extenders for special applications - Part 2: Nanoscale titanium dioxide for sunscreen application". This standard covers: ISO 18473-2:2015 specifies requirements and corresponding methods of test for nanoscale titanium dioxide in powder form for sunscreen application. This part of ISO 18473 covers the surface modified, TiO2.
ISO 18473-2:2015 specifies requirements and corresponding methods of test for nanoscale titanium dioxide in powder form for sunscreen application. This part of ISO 18473 covers the surface modified, TiO2.
ISO 18473-2:2015 is classified under the following ICS (International Classification for Standards) categories: 87.060.10 - Pigments and extenders. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 18473-2:2015 has the following relationships with other standards: It is inter standard links to ISO 1833-6:2018. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ISO 18473-2:2015 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 18473-2
First edition
2015-08-15
Functional pigments and extenders for
special applications —
Part 2:
Nanoscale titanium dioxide for
sunscreen application
Pigments et matières de charges fonctionnels pour applications
spéciales —
Partie 2: Dioxyde de titane nanométrique pour protections solaires
Reference number
©
ISO 2015
© ISO 2015, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2015 – All rights reserved
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Classification . 1
4 Requirements and test methods . 1
5 Sampling . 2
6 Marking and label . 2
7 Test report . 3
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
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organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
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For an explanation on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO’s adherence to the WTO principles in the Technical
Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information
The committee responsible for this document is ISO/TC 256, Pigments, dyestuffs and extenders.
ISO 18473 consists of the following parts, under the general title Functional pigments and extenders for
special applications:
— Part 1: Nanoscale calcium carbonate for sealant application
— Part 2: Nanoscale titanium dioxide for sunscreen application
iv © ISO 2015 – All rights reserved
Introduction
The UV radiation of sunlight has great harm to the skin. Overmuch exposure in UV radiation will cause
erythema and
...
NORME ISO
INTERNATIONALE 18473-2
Première édition
2015-08-15
Pigments et matières de charge
fonctionnels pour applications
spéciales —
Partie 2:
Dioxyde de titane nanométrique pour
protections solaires
Functional pigments and extenders for special applications —
Part 2: Nanoscale titanium dioxide for sunscreen application
Numéro de référence
©
ISO 2015
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2015
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut
être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: +41 22 749 01 11
Fax: +41 22 749 09 47
E-mail: copyright@iso.org
Web: www.iso.org
Publié en Suisse
ii © ISO 2015 – Tous droits réservés
Sommaire Page
Avant-propos .iv
Introduction .v
1 Domaine d'application . 1
2 Références normatives . 1
3 Classification . 1
4 Exigences et méthodes d'essai . 1
5 Échantillonnage . 2
6 Marquage et étiquette . 2
7 Rapport d'essai . 3
Avant-propos
L'ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes
nationaux de normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est
en général confiée aux comités techniques de l'ISO. Chaque comité membre intéressé par une étude
a le droit de faire partie du comité technique créé à cet effet. Les organisations internationales,
gouvernementales et non gouvernementales, en liaison avec l'ISO participent également aux travaux.
L'ISO collabore étroitement avec la Commission électrotechnique internationale (IEC) en ce qui
concerne la normalisation électrotechnique.
Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont
décrites dans les Directives ISO/IEC, Partie 1. Il convient, en particulier, de prendre note des différents
critères d'approbation requis pour les différents types de documents ISO. Le présent document a été
rédigé conformément aux règles de rédaction données dans les Directives ISO/IEC, Partie 2 (voir www
.iso .org/directives).
L'attention est attirée sur le fait que certains des éléments du présent document peuvent faire l'objet de
droits de propriété intellectuelle ou de droits analogues. L'ISO ne saurait être tenue pour responsable
de ne pas avoir identifié de tels droits de propriété et averti de leur existence. Les détails concernant
les références aux droits de propriété intellectuelle ou autres droits analogues identifiés lors de
l'élaboration du document sont indiqués dans l'Introduction et/ou dans la liste des déclarations de
brevets reçues par l'ISO (voir www .iso .org/brevets).
Les appellations commerciales éventuellement mentionnées dans le présent document sont données
pour information, par souci de commodité, à l'intention des utilisateurs et ne sauraient constituer un
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Pour une explication de la signification des termes et expressions spécifiques de l'ISO liés à l'évaluation
de la conformité, ou pour toute information au sujet de l'adhésion de l'ISO aux principes de l’Organisation
mondiale du commerce (OMC) concernant les obstacles techniques au commerce (OTC), voir le lien
suivant: Avant-propos – Informations supplémentaires.
Le comité chargé de l'élaboration du présent document est l'ISO/TC 256, Pigments, colorants et matières
de charge.
L'ISO 18473 comprend les parties suivantes, sous le titre général Pigments et matières de charge
fonctionnels pour applications spéciales:
— Partie 1: Carbonate de calcium nanométrique pour enduits
— Partie 2: Dioxyde de titane nanométrique pour protections solaires
iv © ISO 2015 – Tous droits réservés
Introduction
Le rayonnement ultraviolet (UV) de la lumière solaire est très préjudiciable pour la peau. L'exposition
excessive au rayonnement UV entraîne un érythème et des tâches noires, un vieillissement cutané et
peut même être à l'origine de cancers de la peau. Des protections solaires contenant des agents qui
bloquent les ultraviolets sont donc appliquées sur la peau en vue de fournir une protection contre les
UV. L'un de ces agents est le dioxyde de titane, qui est utilisé depuis des décennie
...
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