BS EN ISO 11125-1-1994 Preparation of steel substrates before application of paints and related products Test methods for metallic blast-cleaning abrasives Sampling《涂料和相关产品使用前钢基体的预.pdf

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1、BRITISH STANDARD CONFIRMED DECEMBER 1998 BS EN ISO 11125-1:1997 BS 7079-E6: 1994 Incorporating Amendment No.1 to BS 7079-E6:1994 (which it renumbers as BS EN ISO 11125-1:1997) Preparation of steel substrates before application of paints and related products Test methods for metallic blast-cleaning a

2、brasives Part 1: Sampling The European Standard EN ISO 11125-1:1997 has the status of a British Standard ICS 25.220.10; 87.020BSENISO11125-1:1997 This British Standard, having been prepared under the directionof the Surface Treatments and Coatings Standards Policy Committee, waspublished under the a

3、uthorityof the Standards Boardand comes into effect on 15March1994 BSI 04-2000 The following BSI references relate to the work on this standard: Committee reference STC/21 Draft for comment92/50234 DC ISBN 0 580 23047 3 Committees responsible for this British Standard The preparation of this British

4、 Standard was entrusted by the Surface Treatments and Coatings Standards Policy Committee (STC/-) to Technical Committee STC/21, upon which the following bodies were represented: Association of Consulting Engineers British Chemical Engineering Contractors Association British Coatings Federation Ltd.

5、 British Constructional Steelwork Association Ltd. British Grit Association British Railways Board British Steel Industry Department of Transport Electricity Association Institute of Corrosion National Federation of Painting and Decorating Contractors Oil and Colour Chemists Association Paint Resear

6、ch Association Royal Society of Chemistry Amendments issued since publication Amd. No. Date Comments 9731 November 1997 Indicated by a sideline in the marginBSENISO11125-1:1997 BSI 04-2000 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 1 Scope 3 2 Definitio

7、ns 3 3 Apparatus 3 4 Procedure 3 5 Sample identification 5 Annex A (informative) International Standards for metallic blast-cleaning abrasives 6 Figure 1 Sampling scheme for pallets made up of bags, boxes, etc. 4 Figure 2 Sampling scheme for drums, bulk sacks and similar units of sale 4 Table 1 Numb

8、er of units to be sampled 3BSENISO11125-1:1997 ii BSI 04-2000 National foreword This British Standard has been prepared by Technical Committee STC/21 and is the English language version of EN ISO11125-1:1997 Preparation of steel substrates before application of paints and related products Test metho

9、ds for metallic blast-cleaning abrasives Part 1: Sampling, published by the European Committee for Standardization (CEN). It is identical with ISO11125-1:1993, published by the International Organization for Standardization (ISO). International Standard ISO11125-1 was prepared by Technical Committee

10、 ISO/TC35, Paints and varnishes, Subcommittee SC12. Preparation of steel substrates before application of paints and related products. The other Parts of BS EN ISO11125 are: Part 2: Determination of particle size distribution; Part 3: Determination of hardness; Part 4: Determination of apparent dens

11、ity; Part 5: Determination of percentage defective particles and microstructure; Part 6: Determination of foreign matter; Part 7: Determination of moisture. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their

12、 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 ii, theEN ISO title page, pages 2 to 6 and a back cover. This standard has been updated (see

13、copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 11125-1 June 1997 ICS 87.020 Descriptors: Paints, varnishes, substrates, steel products, blast-cleaning, abrasive

14、s, metallic abrasives, tests, sampling English version Preparation of steel substrates before application of paints and related products Test methods for metallic blast-cleaning abrasives Part 1: Sampling (ISO 11125-1:1993) Prparation des subjectiles dacier avant application de peintures et de produ

15、its assimils Mthodes dessai pour abrasifs mtalliques destins la prparation par projection Partie 1: Echantillonnage (ISO 11125-1:1993) Vorbereitung von Stahloberflchen vor dem Auftragen von Beschichtungsstoffen Prfverfahren fr metallische Strahlmittel Teil 1: Probenahme (ISO 11125-1:1993) This Europ

16、ean Standard was approved by CEN on1997-05-28. 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 concerni

17、ng 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 lan

18、guage and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden,

19、Switzerland and UnitedKingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1997 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Member

20、s. Ref. No. EN ISO 11125-1:1997 EENISO11125-1:1997 BSI 04-2000 2 Foreword The text of the International Standard from Technical Committee ISO/TC35, Paints and varnishes, of the International Organization for Standardization (ISO) has been taken over as a European Standard by Technical Committee CEN/

21、TC139, 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 by endorsement, at the latest by December1997, and conflicting national standards shall be withdrawn at the lat

22、est by December1997. According to CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherla

23、nds, Norway, Portugal, Spain, Sweden, Switzerland and the UnitedKingdom.ENISO11125-1:1997 BSI 04-2000 3 1 Scope This is one of a number of parts of ISO11125 dealing with the sampling and testing of metallic abrasives for blast-cleaning. The types of metallic abrasive and requirements on each are con

24、tained in the various parts of ISO11124. The ISO11124 and ISO11125 series have been drafted as a coherent set of International Standards on metallic blast-cleaning abrasives. Information on all parts of both series is given inAnnex A. This part of ISO11125 specifies a method for the sampling of meta

25、llic blast-cleaning abrasives from consignments and for the subdivision of the sample into quantities suitable for undertaking the appropriate test methods specified in other parts of ISO11125. 2 Definitions For the purposes of this part of ISO11125, the following definitions apply. 2.1 total quanti

26、ty the overall quantity of the abrasive to be tested (forexample the quantity of a consignment) for which the sampling procedure is to be considered as representative 2.2 sample unit the packaged unit of sale, e.g.pallet, drum, bulk sack, from which single samples (see2.3) are taken 2.3 single sampl

27、e a sample obtained from the total quantity by a single sampling operation. This sample is not immediately used for testing 2.4 mixed sample a sample obtained by mixing a number of single samples 2.5 reduced sample a sample obtained by reduction of a mixed sample NOTE 1In order to obtain a sample qu

28、antity which is suitable for testing, all reduced samples but one are discarded after each reduction; the reduction procedure is then repeated if necessary on the sample retained. 2.6 test sample a sample that comprises a mass or volume sufficient for testing, portions of which are immediately used

29、for testing 3 Apparatus 3.1 Sample thief, made from seamless steel tubing of inside diameter approximately25mm and length approximately800mm. The tube shall be pointed at one end and have a “T” handle at the other end. Holes shall be bored in a straight line, lengthways along the tube, and spaced at

30、50mm intervals. The diameter of the holes shall be determined by the size of the particles to be sampled and shall be approximately three times the size of the largest particle. NOTE 2It is usually sufficient to use holes10mm in diameter for metallic abrasives. 3.2 Sample divider, riffler or other e

31、quipment suitable for splitting a sample into parts. 4 Procedure 4.1 General The sampling procedure is designed to obtain samples which can be considered representative of the consignment or total quantity under examination. The sampling procedures specified inTable 1 assume that little or no variat

32、ion in properties takes place within a single sample unit. Metallic abrasives are susceptible to segregation of particle size during handling and transit from manufacturer to point of final use. Such segregation is minimal however and, where the packaging is in the form of bags on a palletized unit,

33、 single samples may be considered representative of sample units. Where the sample unit is in the form of drums, bulk sacks, etc., segregation may become significant. For these sample units more than one single sample shall be taken. NOTE 3Schematic diagrams for sampling and subdivision of samples a

34、re given inFigure 1 andFigure 2. 4.2 Number of sample units The number of sample units (pallets, drums, bulk sacks, etc.) to be sampled in a consignment shall be as specified inTable 1. Samples from different sample units shall not be mixed together. Table 1 Number of units to be sampled Total quant

35、ity of the consignment tonnes Number of units to be sampled 1 1 2 to 5 2 6 to 10 3 11 to 25 5 25 5 per 25 unitsENISO11125-1:1997 4 BSI 04-2000 4.3 Sampling of sample units 4.3.1 Pallets made up of bags, boxes, etc. Take a single sample of approximately500g from one bag, box, etc., on the pallet. Thi

36、s forms the test sample for that pallet (seeFigure 1). 4.3.2 Drums, bulk sacks or similar Use the sample thief(3.1) to obtain three single samples from different areas of the sample unit. Mix the single samples together in a suitable container until a uniform distribution of all particle sizes can b

37、e expected. This forms the mixed sample (seeFigure 2). NOTE 1The scheme shown is based on a total quantity of10tonnes. NOTE 2Single samples are taken from one bag, box, etc., selected at random from each pallet. Figure 1 Sampling scheme for pallets made up of bags, boxes, etc. NOTEThe scheme shown i

38、s based on a total quantity of10tonnes. Figure 2 Sampling scheme for drums, bulk sacks and similar units of saleENISO11125-1:1997 BSI 04-2000 5 4.4 Reduction of sample size No reduction is necessary on single samples from palletized sample units. Subdivide mixed samples from other sample units mecha

39、nically, using a sample divider(3.2). Discard all but one of the reduced samples. Continue the operation until a test sample of approximately500g is obtained. 4.5 Test sample A test sample of approximately500g will provide sufficient test material to carry out all the test procedures in ISO11125, pa

40、rts2 to7 (seeAnnex A). Be sure to store the sample in a sealed container until required. Remix the test sample before taking portions for testing to ensure uniformity is maintained. Do not remix used portions with remaining test sample. 5 Sample identification Each sample shall be clearly identified

41、 as to its origin. Test samples shall carry at least the following information: a) all details necessary to identify the product in accordance with the appropriate part of ISO11124 (seeAnnex A), if applicable; b) the consignment identification details, e.g.suppliers name, order number, date of despa

42、tch/receipt, etc.; c) any product traceability reference which relates to the unit sampled.ENISO11125-1:1997 6 BSI 04-2000 Annex A (informative) International Standards for metallic blast-cleaning abrasives Requirements and test methods for metallic blast-cleaning abrasives are contained in ISO11124

43、 and ISO11125, respectively. ISO 11124 will consist of the following parts, under the general title: Preparation of steel substrates before application of paints and related products Specification for metallic blast-cleaning abrasives Part 1: General introduction and classification; Part 2: Chilled-

44、iron grit; Part 3: High-carbon cast-steel shot and grit; Part 4: Low-carbon cast-steel shot; Part 5: Cut steel wire. ISO 11125 will consist of the following parts, under the general title: Preparation of steel substrates before application of paints and related products Test methods for metallic bla

45、st-cleaning abrasives Part 1: Sampling; Part 2: Determination of particle size distribution; Part 3: Determination of hardness; Part 4: Determination of apparent density; Part 5: Determination of percentage defective particles and of microstructure; Part 6: Determination of foreign matter; Part 7: D

46、etermination of moisture; Part 8: Determination of abrasive mechanical properties.blankBS EN ISO 11125-1:1997 BS7079-E6: 1994 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK vi

47、ew on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the

48、 quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel:02089969000. Fax:02089967400.

49、 BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel:02089969001. Fax:02089967001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requ

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