BS EN ISO 3262-5-1998 Extenders for paints - Specifications and methods of test - Natural crystalline calcium carbonate《涂料填充剂 规范和试验方法 天然晶型碳酸钙》.pdf

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1、BRITISH STANDARD BS EN ISO 3262-5:1998 Extenders for paints Specifications and methods of test Part 5: Natural crystalline calcium carbonate The European Standard ENISO3262-5:1998has the status of a British Standard ICS 87.060.10BSEN ISO 3262-5:1998 This British Standard, having been prepared under

2、the directionof the Sector Board forMaterials and Chemicals, waspublished under the authorityof the Standards Boardand comes into effect on 15September 1998 BSI 04-1999 ISBN 0 580 30497 3 National foreword This British Standard is the English language version of EN ISO3262-5:1998. It is identical wi

3、th ISO3262-5:1998. Together with the other parts of BSENISO3262, it will supersede BS1795:1976 which is declared obsolescent. The UK participation in its preparation was entrusted to Technical Committee STI/1, Pigments, which has the responsibility to: aid enquirers to understand the text; present t

4、o the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obt

5、ained on request to its secretary. Cross-references Attention is drawn to the fact that CEN and CENELEC standards normally include an annex which lists normative references to international publications with their corresponding European publications. The British Standards which implement internation

6、al or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include al

7、l the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and

8、 ii, theEN ISO title page, page 2, the ISO title page, pages ii to iv, pages 1 and 2, aninside back cover and aback cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments

9、 issued since publication Amd. No. Date CommentsBSEN ISO 3262-5:1998 BSI 04-1999 i Contents Page National foreword Inside front cover Foreword 2 Foreword iii Text of ISO 3262-5 1ii blankEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 3262-5 July 1998 ICS 87.060.10 Descriptors: See ISO docum

10、ent English version Extenders for paints Specifications and methods of test Part 5: Natural crystalline calcium carbonate (ISO 3262-5:1998) Matires de charge pour peintures Spcifications et mthodes dessai Partie5:Carbonate de calcium cristallin naturel (ISO 3262-5:1998) Fllstoffe fr Beschichtungssto

11、ffe Anforderungen und Prfverfahren Teil5:Natrliches kristallines Calciumcarbonat (ISO 3262-5:1998) This European Standard was approved by CEN on 21 June 1998. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard th

12、e 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

13、). 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, Czech Republic, Denmark, Finl

14、and, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Br

15、ussels 1998 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 3262-5:1998 EEN ISO 3262-5:1998 BSI 04-1999 2 Foreword The text of the International Standard ISO3262-5:1998has been prepared by Technical Committee ISO/TC 35 “Paints

16、and varnishes” in collaboration with Technical Committee CEN/TC 298 “Pigments and extenders”, 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 January1999,

17、and conflicting national standards shall be withdrawn at the latest by January 1999. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, F

18、rance, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of the International Standard ISO3262-5:1998 has been approved by CEN as a European Standard without any modification. NOTENormat

19、ive references to International Standards are listed in Annex ZA (normative).EN ISO 3262-5:1998 ii BSI 04-1999 Contents Page Foreword iii 1 Scope 1 2 Normative references 1 3 Definition 1 4 Requirements and test methods 1 5 Sampling 2 6 Determination of matter insoluble in hydrochloric acid 2 7 Test

20、 report 2 Annex ZA (normative) Normative references to international publicationswiththeirrelevant Europeanpublications Inside back cover Table 1 Essential requirements 1 Table 2 Conditional requirements 2ENISO3262-5:1998 BSI 04-1999 iii Foreword ISO (the International Organization for Standardizati

21、on) 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 committee has been established has the right to be re

22、presented on that committee. International 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. Draft International Stan

23、dards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least75% of the member bodies casting a vote. International Standard ISO3262-5was prepared by Technical Committee ISO/TC 35, Paints and varnishes

24、, Subcommittee SC 2, Pigments and extenders. Together with the other parts (see below), this part of ISO3262 cancels and replaces ISO3262:1975, which has been technically revised. Part 1 comprises the definition of the term extender and a number of test methods that are applicable to most extenders,

25、 whilst part 2 and the following parts specify requirements and, where appropriate, particular test methods for individual extenders. At present, the following parts of ISO3262 are published or in preparation, under the general title Extenders for paints Specifications and methods of test: Part 1: I

26、ntroduction and general test methods; Part 2: Barytes (natural barium sulfate); Part 3: Blanc fixe; Part 4: Whiting; Part 5: Natural crystalline calcium carbonate; Part 6: Precipitated calcium carbonate; Part 7: Dolomite; Part 8: Natural clay; Part 9: Calcined clay; Part 10: Natural talc/chlorite in

27、 lamellar form; Part 11: Natural talc, in lamellar form, containing carbonates; Part 12: Muscovite-type mica; Part 13: Natural quartz (ground); Part 14: Cristobalite; Part 15: Vitreous silica; Part 16: Aluminium hydroxides; Part 17: Precipitated calcium silicate; Part 18: Precipitated sodium alumini

28、um silicate; Part 19: Precipitated silica; Part 20: Fumed silica; Part 21: Silica sand (unground natural quartz); Part 22: Diatomaceous earth (kieselguhr). Descriptors: Paints, extenders, calcium carbonates, specifications, materials specifications, tests.iv blankEN ISO 3262-5:1998 BSI 04-1999 1 1 S

29、cope This part of ISO3262specifies requirements and corresponding methods of test for natural crystalline calcium carbonate. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this part of ISO3262. At the time of publicat

30、ion, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of ISO3262 are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of cur

31、rently valid International Standards. ISO 787-2:1981, General methods of test for pigments and extenders Part 2: Determination of matter volatile at105 C. ISO 787-3:1979, General methods of test for pigments and extenders Part 3: Determination of matter soluble in water Hot extraction method. ISO 78

32、7-7:1981, General methods of test for pigments and extenders Part 7: Determination of residue on sieve Water method Manual procedure. ISO 787-8:1979, General methods of test for pigments and extenders Part 8: Determination of matter soluble in water Cold extraction method. ISO 787-9:1981, General me

33、thods of test for pigments and extenders Part 9: Determination of pH value of an aqueous suspension. ISO 787-14:1973, General methods of test for pigments Part 14: Determination of resistivity of aqueous extract. ISO 842:1984, Raw materials for paints and varnishes Sampling. ISO 3262-1:1997, Extende

34、rs for paints Specifications and methods of test Part 1: Introduction and general test methods. ISO 3696:1987, Water for analytical laboratory use Specification and test methods. 3 Definition For the purposes of this part of ISO 3262, the following definition applies: 3.1 natural crystalline calcium

35、 carbonate a calcium carbonate derived from limestone and marble. The trigonal rhombic crystals tend to be rather larger than those of chalk limestone is a consolidated sedimentary rock whereas marble is a metamorphic carbonate rock 4 Requirements and test methods For natural crystalline calcium car

36、bonate complying with this part of ISO3262, the essential requirements are specified in Table 1 and the conditional requirements are listed in Table 2. Table 1 Essential requirements Characteristic Unit Requirement Test method Grade A Grade B Grade C Grade D CaCO 3content, min. %(m/m) 99 98 95 90 IS

37、O3262-1 Matter volatile at 105 C, max. %(m/m) 0,4 ISO 787-2 Loss on ignition, max. %(m/m) 46 a ISO 3262-1 Matter soluble in water, max. %(m/m) 0,5 ISO 787-3 or ISO 787-8 b pH value of aqueous suspension 8 to 10 a ISO 787-9 Matter insoluble in hydrochloric acid, max. % (m/m) 1 2 8 See clause 6 a Thes

38、e values do not take account of the effect on the result of any surface treatment. b Method to be agreed between the interested parties.EN ISO 3262-5:1998 2 BSI 04-1999 Table 2 Conditional requirements 5 Sampling Take a representative sample of the product to be tested, as described in ISO842. 6 Det

39、ermination of matter insoluble in hydrochloric acid 6.1 Reagents During the analysis, use only reagents of recognized analytical grade and only water of at least grade3purity as defined in ISO3696. 6.1.1 Hydrochloric acid, approximately25% (m/m), . 1,125 g/ml. 6.2 Apparatus Use ordinary laboratory a

40、pparatus and glassware, together with the following: 6.2.1 Membrane filter, pore size0,84m. 6.2.2 Air oven, capable of being maintained at (105 2) C. 6.3 Procedure Weigh, to the nearest0,1mg, approximately10g(m 0 ) of the test sample into a600ml beaker. Add50ml of water and, carefully, approximately

41、50ml of hydrochloric acid (6.1.1). Cover the beaker with a watch glass and boil the solution for15min. Dry the membrane filter (6.2.1) in the air oven(6.2.2) at (105 2) C to constant mass, cool in a desiccator to room temperature and weigh it to the nearest0,1mg (m 1 ). Then filter the solution thro

42、ugh it. Wash the residue on the filter eight times with hot distilled water. Dry the residue on the filter in the air oven at (105 2) C for about1h. Allow to cool in a desiccator to room temperature and weigh to the nearest0,1mg (m 2 ). 6.4 Expression of results Calculate the matter insoluble in hyd

43、rochloric acid w(MI HCl ), expressed as a percentage by mass, using the equation where 7 Test report The test report shall contain at least the following information: a) all details necessary to identify the product tested; b) a reference to this part of ISO3262 (ISO3262-5); c) the results of the te

44、sts and whether or not the product complies with the relevant specification limits; d) any deviation from the test methods specified; e) the dates of the tests. Characteristic Unit Requirement Test method Residue on 45 4m sieve % (m/m) To be agreed between the interested parties ISO 787-7 Particle s

45、ize distribution (instrumental method) % (m/m) To be agreed between the interested parties a Colour ISO 3262-1 Lightness To be agreed between the interested parties To be agreed between the interested parties b Resistivity of aqueous extract 7m ISO 787-14 a A general description of a sedimentation m

46、ethod using X-ray absorption is given in EN 725-5:1996, Advanced technical ceramics Methods of test for ceramic powders Part 5: Determination of the particle size distribution. b Test method in preparation. m 0 is the mass, in grams, of the test portion; m 1 is the mass, in grams, of the dried membr

47、ane filter; m 2 is the mass, in grams, of the dried membrane filter plus the residue.EN ISO 3262-5:1998 BSI 04-1999 Annex ZA (normative) Normative references to international publications with their relevant European publications This European Standard incorporates by dated or undated reference, pro

48、visions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it

49、 by amendment or revision. For undated references the latest edition of the publication referred to applies. Publication Year Title EN Year ISO 787-2 1981 General methods of test for pigments and extenders Part 2: Determination of matter volatile at 105 degrees C EN ISO 787-2 1995 ISO 787-3 1979 General methods of test for pigments and extenders Part 3: Determination of matter soluble in water Hot extraction method EN ISO 787-3 1995 IS

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