EN 13263-2:2005

SLOVENSKI STANDARD
01-september-2005
Mikro silika za beton – 2. del: Ovrednotenje skladnosti
Silica fume for concrete - Part 2: Conformity evaluation
Silikastaub für Beton - Teil 2: Konformitätsbewertung
Fumée de silice pour béton - Partie 2: Evaluation de la conformité
Ta slovenski standard je istoveten z: EN 13263-2:2005
ICS:
91.100.30 Beton in betonski izdelki Concrete and concrete
products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 13263-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2005
ICS 91.100.30
English version
Silica fume for concrete - Part 2: Conformity evaluation
Fumée de silice pour béton - Partie 2: Evaluation de la Silikastaub für Beton - Teil 2: Konformitätsbewertung
conformité
This European Standard was approved by CEN on 19 May 2005.
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 Central Secretariat 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 Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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EUROPÄISCHES KOMITEE FÜR NORMUNG
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© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13263-2:2005: E
worldwide for CEN national Members.

Contents
Page
Foreword .3
1 Scope .4
2 Normative references .4
3 Terms and definitions.4
4 Tasks for the manufacturer.8
4.1 Factory production control .8
4.2 Internal quality control .9
4.3 Autocontrol testing of samples .11
4.4 Further testing of samples .11
5 Tasks for the certification body .12
5.1 General .12
5.2 Surveillance, assessment and acceptance of the factory production control.12
5.3 Evaluation of the results of autocontrol testing of samples.12
5.4 Audit testing of samples taken at the production plant/depot and initial type testing.13
5.5 Initial inspection of the production facilities and the factory production control.14
5.6 Evaluation of test results during the initial period .15
6 Actions in the event of non-conformity.15
6.1 Actions to be taken by the manufacturer.15
6.2 Actions to be taken by the certification body.15
7 Procedure for third party certification of conformity .16
8 Certificate of conformity and conformity mark.16
8.1 Indication of conformity .16
8.2 Certificate of conformity.17
8.3 Conformity mark .17
Bibliography.19

Foreword
This document (EN 13263-2:2005) has been prepared by Technical Committee CEN/TC 104 “Concrete and related
products”, the secretariat of which is held by DIN.
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 December 2005, and conflicting national standards shall be withdrawn at the latest
by December 2005.
EN 13263 has been prepared under a mandate given to CEN by the European Commission and the European
Free Trade Association, and supports essential requirements of EU Directive(s).
For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of Part 1 of EN 13263.
EN 13263 consists of the following parts, under the general title Silica fume for concrete:
 Part 1: Definitions, requirements and conformity criteria;
 Part 2: Conformity evaluation.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark,
Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
1 Scope
This part of EN 13263 specifies the scheme for the evaluation of conformity of silica fume to EN 13263-1, including
certification of conformity by a certification body.
This European Standard provides technical rules for production control by the manufacturer, including autocontrol
testing of samples, and for the tasks of the certification body. It also provides rules for actions to be followed in the
event of non-conformity and the procedure for the certification of conformity.
2 Normative references
The following referenced documents are indispensable for the application of this European Standard. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced document
(including any amendments) applies.
EN 196-1, Methods of testing cement — Part 1: Determination of strength;
EN 196-2; Methods of testing cement - Part 2: Chemical analysis of cement
EN 196-7:1989, Methods of testing cement — Part 7: Methods of taking and preparing samples of cement;
EN 206-1, Concrete - Part 1: Specification, performance, production and conformity
EN 13263-1:2005, Silica fume for concrete — Part 1: Definitions, requirements and conformity criteria.
3 Terms and definitions
For the purposes of this European Standard, the following terms and definitions apply.
3.1
activity index
measurement of the effect of silica fume on the compressive strength of mortar
3.2
allowable probability of acceptance
CR
for a given sampling plan, the allowed probability of acceptance of silica fume with a characteristic value outside
the specified characteristic value
3.3
autocontrol
continuous statistical quality control of the silica fume based on the testing of samples taken by the manufacturer at
point(s) of release from the silica fume production plant
3.4
autocontrol testing
continual testing by the manufacturer of silica fume spot samples taken at the point(s) of release from the
production plant
3.5
certificate of conformity to EN 13263-1
document issued under the rules of a certain scheme for the evaluation of conformity indicating that adequate
confidence is provided that a silica fume is in conformity with EN 13263-1
3.6
certification
procedure by which a third party gives written assurance that a product, process or service conforms to specified
requirements
[EN 45020:1998]
3.7
certification body
impartial body, governmental or non-governmental, possessing the necessary competence and responsibility to
carry out conformity certification according to given rules of procedure and management
3.8
certified silica fume
silica fume for which a certificate of conformity (see 3.5) has been issued
3.9
characteristic value
value having a prescribed probability of not being attained in a hypothetical unlimited test series
[ISO 8930:1987]
NOTE Equivalent to "fractile" which is defined in ISO 3534-1.
3.10
conformity mark
protected mark applied on the basis of the certificate of conformity (see 3.5)
3.11
control period
period of production and dispatch identified for the evaluation of the autocontrol test results
3.12
densified silica fume
silica fume that has been treated to increase the bulk density by particle agglomeration, the bulk density typically
being above 500 kg/m
3.13
depot
bulk silica fume handling facility – not located at the production plant - used for the dispatch of silica fume –
whether in bulk or bagged – after transfer or storage where the manufacturer has full responsibility for all aspects of
the quality of the silica fume
3.14
existing production plant
production plant which is already producing silica fume under the certification scheme
3.15
factory production control
permanent internal control of silica fume production exercised by the manufacturer including internal quality control
and autocontrol testing
NOTE The required activities are stated in 4.1 to 4.3 in this part of EN 13263.
3.16
further testing of samples
testing according to 4.4 in this part of EN 13263
3.17
initial period
immediate period after the first issuing of the certificate of conformity for a silica fume (see 5.6.1 in this part of
EN 13263 for duration)
3.18
intitial type testing
testing of the first audit sample according to 5.4 in this part of EN 13263
3.19
inspection body
impartial body having the organization, staffing, competence and integrity to perform according to specified criteria
functions such as assessing, recommending for acceptance and subsequent audit of manufacturers´ quality control
operations, and selection and evaluation of products on site or in factories or elsewhere, according to specific
criteria
3.20
new production plant
production plant which is not already producing silica fume under the certification scheme
3.21
production plant
facility used by a manufacturer for the production of silica fume:
a) silicon metal or silicon alloy production plant;
b) processing plant, for example for the selection, slurrifying, blending or densifying of silica fume.
3.22
quality control
part of quality management focused on fulfilling quality requirements
[EN ISO 9000:2000]
3.23
sampling plan
specific plan which states the (statistical) sample size(s) to be used, the percentage P on which the characteristic
k
value is based, and the allowable probability of acceptance CR
3.24
silica fume
very fine particles of amorphous silicon dioxide collected as a by-product of the smelting process used to produce
silicon metal and ferro-silicon alloys
NOTE 1 Silica fume may be processed, for example by classification, selection, blending, densifying, or slurrifying, or by a
combination of these processes, in adequate production plants. Such processed silica fume may consist of silica fumes from
different sources, each conforming to the definition given in this subclause.
NOTE 2  Other names used for silica fume are condensed silica fume and microsilica.
3.25
silica fume slurry
homogeneous, pH regulated liquid suspension of silica fume in water, typically with a dry content of 50 % by mass,
corresponding to about 700 kg of silica fume per m of slurry
3.26
single result limit value
value of a chemical or physical property which – for any single test result – in the case of an upper limit is not to be
exceeded or in the case of a lower limit is, as a minimum, to be reached
3.27
specified characteristic value
characteristic value of a chemical or physical property which in the case of an upper limit is not to be exceeded or
in the case of a lower limit is, as a minimum, to be reached
NOTE Conformity with the specified characteristic values in EN 13263-1 is verified by the methods in 7.2 of
EN 13263-1:2005.
3.28
spot sample
sample taken at the same time and from one and the same place, relating to the intended tests. It can be obtained
by combining one or more immediately consecutive increments
[EN 196-7:1989]
3.29
test
technical operation that consists of the determination of a characteristic of a product according to a specified
procedure
[Adapted from EN 45020:1998]
3.30
test cement
selected brand of Portland cement of type CEM I, strength class 42,5 N or higher, conforming to EN 197-1 to be
used for carrying out the tests needed to evaluate conformity to the requirement of 5.3.3 in EN 13263-1:2005.
Test cement is selected by the silica fume manufacturer and is further characterized by its fineness and contents of
tricalcium aluminate and alkalis as follows:
2 2
 Fineness: 300 m /kg to 400 m /kg when determined in accordance with EN 196-6;
 Tricalcium aluminate: 8 % to 12 % when determined in accordance with EN 196-2;
 Alkalis (Na O eqv): 0,6 % to 1,2 % when determined in accordance with EN 196-2.
3.31
testing laboratory
laboratory which measures, examines, tests, calibrates or otherwise determines the characteristics or performance
of materials or products
3.32
test method
specified technical procedure for performing a test
[EN 45020:1998]
3.33
type II addition
finely divided inorganic, pozzolanic or latent hydraulic material that may be added to concrete in order to improve
certain properties or to achieve special properties, see EN 206-1
3.34
undensified silica fume
silica fume taken directly from the collection filter, the bulk density typically being in the range 150 kg/m³ to
350 kg/m
3.35
works´ quality manual
document that provides information on the production control which is applied by a manufacturer at a particular
production plant to ensure conformity of the silica fume with the requirements of EN 13263-1.
4 Tasks for the manufacturer
4.1 Factory production control
4.1.1 Concept
Factory production control means the permanent internal control of silica fume production exercised by the
manufacturer and consists of internal quality control (see 4.2) and autocontrol testing of samples of silica fume
taken at the point of release (see 4.3).
NOTE The requirements of EN 13263-2 as regards production control take account of those clauses of EN ISO 9001
which are relevant to the production, process control and testing of silica fume.
4.1.2 Works´ quality manual
The manufacturer's documentation and procedures for production control shall be described in a works´ quality
manual, which shall adequately describe, among other things:
a) quality aims and the organisational structure, responsibilities and powers of the management with regard to
product quality and the means to monitor the achievement of the required product quality and the effective
operation of the internal quality control (see 4.1.3);
b) manufacturing and quality control techniques, processes and systematic actions that will be used (see 4.2.1,
4.2.3 and 4.3.2);
c) inspections and tests that will be carried out before, during and after manufacture, and the frequency with
which they will be carried out (see 4.2.2, 4.3.1 and 4.3.3).
The works´ quality manual prepared by the manufacturer for each production plant shall include an adequate
system of documentation (see 4.1.4 and 4.3.4).
The works´ quality manual shall address and document the procedures operated to ensure that the manufactured
silica fume conforms to the technical specifications. The manual may reference associated documents which
provide further details of the autocontrol testing of samples and the internal quality control. For the purpose of this
scheme, the term works´ quality manual shall be considered to include these associated documents.
NOTE In the case of an existing quality management system according to EN ISO 9001, the certification body may
examine if the corresponding quality manual meets all the requirements of EN 13263-1 which are relevant to the production
control of silica fume. Provided all the requirements are included, this quality manual should also be applied for product
certification.
4.1.3 Management systems
4.1.3.1 Quality policy statement
The works´ quality manual shall include a statement by the management of the manufacturer defining its quality
policy, objectives and commitments to the attainment of product quality.
4.1.3.2 Management representative
The manufacturer shall appoint a management representative who, irrespective of other responsibilities, shall have
defined authority and responsibility for ensuring that the requirements of this part of EN 13263 for the evaluation of
conformity are implemented and maintained.
4.1.3.3 Internal audits and management review
In order to ensure the continuing suitability and effectiveness of the works´ quality manual to meet the requirements
of EN 13263-1, the manufacturer shall perform at least once per year:
a) internal audits covering the scope of this clause 4 and 6.1;
b) manufacturer´s management review of the production control, taking into account records of the internal
audits.
4.1.3.4 Training
The works´ quality manual shall describe the measures taken to ensure that all the personnel involved in
operations that can affect internal quality control and product quality have appropriate experience or training.
Appropriate records shall be retained.
4.1.4 System of documentation
4.1.4.1 Document control
The management representative of the manufacturer shall be responsible for the control of all documents and data
related to production control and to this scheme for the evaluation of conformity.
This control shall ensure that the appropriate issues of all documents are available at essential locations, that
obsolete documents are withdrawn and that changes or modifications to any document are effectively introduced.
A master list shall be established to identify the current version of documents in order to prevent the use of non-
applicable documents.
4.1.4.2 Quality records
The manufacturer shall retain records of production control for at least the period required to comply with relevant
legislation.
4.2 Internal quality control
4.2.1 Process control
4.2.1.1 General
The works´ quality manual shall describe the parameters for process planning, process control and testing,
inspection, corrective action, verification, dispatch and the associated records.
Depending on the installation, the following measures shall be provided:
a) in all types of production plants:
1) in-process testing of silica fume properties;
2) silos or tanks of adequate capacity for storage of the silica fume produced allowing a proper
identification of the product and giving possibilities of taking spot samples at any time without prior notice;
b) additionally, in production plants using processing facilities:
1) separate and adequate storing facilities for the silica fumes to be processed;
2) controlled proportioning of the silica fumes to be processed in order to achieve the target properties of the
produced silica fume;
3) facilities for adequate homogenization of silica fume;
4) in-process testing of silica fume properties.
4.2.1.2 Provisions for processing plants
In production plants for the controlled processing of silica fume, for example by selection, drying, blending,
densifying or slurrifying of silica fume, the relevant information on each consignment of incoming silica fume and all
operating steps in the process shall be documented in the works´ quality manual by the manufacturer in agreement
with the certification body. The following data shall be at least part of this documentation:
a) manufacturer and the production location from which the silica fume originates;
b) acknowledgement that the silica fume is according to 3.24;
c) in case of blending only, the properties of each incoming silica fume shall be controlled on a regular basis in
order to be able to achieve the target properties of the silica fume blend. On each incoming silica fume the
relevant properties listed in Table 1 of EN 13263-1:2005, except activity index, should be tested by the supplier
of the incoming silica fume. The minimum testing frequency should be chosen as indicated in Table 1 of
EN 13263-1:2005, "Routine situation", and should be documented in the works´ quality manual. When
blending silica fumes from production plants at different locations, each incoming silica fume shall conform to
the requirements for silicon dioxide content and specific surface according to EN 13263-1:2005, 5.2.1 and
5.3.1;
d) environmental compatibility of the blended silica fume shall be proven, as required by clause 4 of
EN 13263-1:2005;
e) densified and undensified silica fume shall not be blended together.
4.2.1.3 Control of off-specification production
The works´ quality manual shall contain procedures to ensure that off-specification production is adequately
managed.
4.2.2 Measuring and testing
4.2.2.1 Inspection, measur
...