EN ISO 8130-12-2010 en Coating powders - Part 12 Determination of compatibility《涂覆用粉 可混用性测定》.pdf

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1、BRITISH STANDARDICS 87.040Coating powders Part 12: Determination of (ISO 8130-12:1998) compatibilityBS EN ISO 8130-12:2010Incorporating corrigendum April 2011National forewordThis British Standard is the UK implementation of EN ISO 8130-12:2010. It is identical to ISO 8130-12:1998. It supersedes BS

2、3900-J12:1998 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee STI/10, Methods of test for paints.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the nece

3、ssary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.BS EN ISO 8130-12:2010This British Standard, having been prepared under the direction of the Sector Board for Materials and Chemicals, wa

4、s published under the authority of the Standards Board and comes into effect on 15 September 1998 BSI 2011Amendments/corrigenda issued since publicationDate Comments 30 April 2011 This corigendum renumbers BS 390-J12:198 as BS EN ISO 8130-12:2010ISBN 978 0 580 72119 9EUROPEAN STANDARD NORME EUROPENN

5、E EUROPISCHE NORM EN ISO 8130-12 November 2010 ICS 87.040 English Version Coating powders - Part 12: Determination of compatibility (ISO 8130-12:1998) Poudres pour revtement - Partie 12: Dtermination de la compatibilit (ISO 8130-12:1998) Pulverlacke - Teil 12: Bestimmung der Mischbarkeit (ISO 8130-1

6、2:1998) This European Standard was approved by CEN on 16 October 2010. 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 bibliograph

7、ical references concerning such national standards may be obtained on application to the CEN 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 C

8、EN member into its own language and notified to the CEN 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,

9、Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marn

10、ix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 8130-12:2010: EForeword The text of ISO 8130-12:1998 has been prepared by Technical Committee ISO/TC 35 “Paints and varnishes” of the International Org

11、anization for Standardization (ISO) and has been taken over as EN ISO 8130-12:2010 by Technical Committee CEN/TC 139 “Paints and varnishes” 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

12、by endorsement, at the latest by May 2011, and conflicting national standards shall be withdrawn at the latest by May 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for ident

13、ifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germ

14、any, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 8130-12:1998 has been approved by CEN as a EN ISO 8130-12:201

15、0 without any modification. EN ISO 8130-12:2010 (E) BS EN ISO 8130-12:2010iii BSI 2011ContentsPageForeword i1 Scope 12 Normative references 13 Principle 14 Apparatus 15 Sampling 26 Procedure 27 Expression of results 28 Precision 29 Test report 2vBS EN ISO 8130-12:2010EN ISO 8130-12:2010 (E)ivForewor

16、dISO (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

17、 committee has been established has the right to be represented 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 elec

18、trotechnical standardization.Draft International Standards 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 ISO8130-12 was prepared

19、by Technical CommitteeISO/TC35, Paints and varnishes, Subcommittee SC9, General test methods for paints and varnishes.ISO8130 consists of the following parts, under the general title Coating powders: Part1: Determination of particle size distribution by sieving; Part2: Determination of density by ga

20、s comparison pyknometer (referee method); Part3: Determination of density by liquid displacement pyknometer; Part4: Calculation of lower explosion limit; Part5: Determination of flow properties of a powder/air mixture; Part6: Determination of gel time of thermosetting coating powders at a given temp

21、erature; Part7: Determination of loss of mass on stoving; Part8: Assessment of the storage stability of thermosetting powders; Part9: Sampling; Part10: Determination of deposition efficiency; Part11: Inclined-plane flow test; Part12: Determination of compatibility.Descriptors: Paints, coatings, powd

22、ery materials, mixtures, tests, determination, compatibility. BSI 2011BS EN ISO 8130-12:2010EN ISO 8130-12:2010 (E) BSI 2011 11 ScopeThis part of ISO8130 is one of a series of standards dealing with the sampling and testing of paints, varnishes and related products.It specifies a method for the dete

23、rmination of the tendency for the mixing of two different coating powders to result in the deterioration of the surface quality of the final coating. The results depend on the following characteristics of the coating powders:a) their chemical reactivity;b) their chemical composition;c) their melt pr

24、operties.The onset of the deterioration in appearance, its nature and its extent will depend greatly on the ratio in which the powders are mixed.The test is useful in predicting the possibility of incompatibility arising from mixing different powders both during the manufacturing process and during

25、the application of the coating powder.The nature of the deterioration in surface appearance may manifest itself in various ways, including: change in gloss level; the presence of pinholes, including micro-pinholes; the appearance of orange peel; the presence of craters; the presence of bittiness (gr

26、aininess); the presence of colour contamination.NOTEDeterioration in mechanical properties may also be experienced. However, this part of ISO8130 is only concerned with changes in appearance.2 Normative referencesThe following standards contain provisions which, through reference in this text, const

27、itute provisions of this part of ISO8130. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of ISO8130 are encouraged to investigate the possibility of applying the most recent editions of the standards

28、indicated below. Members of IEC and ISO maintain registers of currently valid International Standards.ISO8130-9:1992, Coating powders Part9: Sampling. ISO1514:1993, Paints and varnishes Standard panels for testing. ISO2813:1994, Paints and varnishes Determination of specular gloss of non-metallic pa

29、int films at20,60 and85. 3 PrincipleThe coating powders are mixed together in a range of ratios and each mixture is applied to standard test panels, stoved and the surface inspected for evidence of incompatibility.4 ApparatusOrdinary laboratory apparatus, together with the following:4.1 Clean and de

30、greased steel panels, as described in ISO1514, with holes drilled at one end for hanging.4.2 Powder spray system, consisting of a corona charge gun or a tribo charge gun and an air extraction spray booth with a suitable powder collection device.4.3 Suitable clean container, capable of holding a mass

31、 of the powder suitable for processing in the spray system(4.2).NOTEPlastic bags have been found to be suitable for non-metallic powders.4.4 Balance, accurate to10mg.4.5 Oven, capable of stoving the coated test panels.BS EN ISO 8130-12:2010EN ISO 8130-12:2010 (E)2 BSI 20115 SamplingPrepare a represe

32、ntative sample of the powder under test, as described in ISO8130-9. The quantity of powder required will depend on the powder spray system(4.2).NOTEA quantity of between10g and200g is normally suitable for each test.6 ProcedureCarry out the test in duplicate.6.1 In the absence of agreement between t

33、he interested parties, prepare mixtures in the following mass ratios in a quantity required for the test, weighing each component to an accuracy of10mg: 6.2 Place each of the samples prepared in6.1 in a clean container(4.3) and agitate for sufficient time to ensure complete homogenization.NOTEVigoro

34、us shaking by hand of a partially filled container for15s to30s has proved to be adequate.6.3 Spray each of the mixed samples onto a test panel(4.1), using the spray gun(4.2), to a thickness appropriate to the application.It is extremely important that the spraying apparatus is thoroughly cleaned be

35、tween each application. In any case, it is mandatory that the order of application of the samples be in increasing order of each minor constituent, thus:100,0 A:0,0 B to50,0 A:50,0 Band then:100,0 B:0,0 A to90,0 B:10,0 A.6.4 Place the coated panels in the oven(4.5) and stove in accordance with the p

36、rescribed stoving schedule of the slower-reacting component. If no schedule is available, it shall be agreed on between the interested parties.6.5 Remove the panels from the oven and allow to cool.6.6 Examine the coated surfaces for pinholes, craters and other imperfections.NOTEWhere appropriate, a

37、quantitative measure of change in gloss may be obtained by measuring gloss values in accordance with ISO2813.7 Expression of resultsA verbal description of the appearance of the coatings will be sufficient for the purposes of this standard method. Where quantitative measurements of gloss have been u

38、ndertaken, these shall be quoted numerically.NOTEAs very small amounts of contamination can greatly influence the level of gloss, it may be useful to plot the gloss measurements graphically. In this case, it is recommended that a probability chart be employed in which the gloss measurements are plot

39、ted as abscissae and the mass ratios of the powders in the mixture are plotted as a probability distribution on the ordinate scale. In this way, it is possible to obtain a compatibility curve in which the influence of small concentrations of one powder on the other are clearly demonstrated.8 Precisi

40、onPrecision data are inappropriate for non-quantitative measurements. The precision of any gloss measurements shall be as detailed in ISO2813.9 Test reportThe test report shall contain the following information:a) all details necessary to identify the products tested;b) a reference to this part of I

41、SO8130 (ISO8130-12);c) the recommended stoving schedule for each powder;d) the stoving schedule used in the test, if no schedule is available (see6.4);e) the gun used, i.e.either corona or tribo (see4.2);Powder A 100,0 99,9 99,0 90,0 50,0 10,0 1,0 0,1 0,0Powder B 0,0 0,1 1,0 10,0 50,0 90,0 99,0 99,9

42、 100,0BS EN ISO 8130-12:2010EN ISO 8130-12:2010 (E) BSI 2011 3f) the coating thickness;g) the results of the test as indicated in clause7;h) any deviation from the test method specified;i) the date of the test.BS EN ISO 8130-12:2010EN ISO 8130-12:2010 (E)BSI GroupHeadquarters 389 Chiswick High Road,

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