1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationPlastics Compression-moulded sheets of polyethylene (PE-UHMW, PEHD) Requirements and test methodsBS EN ISO 15527:2013BS EN ISO 15527:2013National forewordThis British Standard is
2、 the UK implementation of EN ISO 15527:2013. It is identical to ISO 15527:2010. It supersedes BS ISO 15527:2010, which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PRI/21, Testing of plastics.A list of organizations represented on this committee can be obt
3、ained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013 ISBN 978 0 580 79619 7ICS 83.140.10 Compliance
4、 with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 October 2010.Amendments/corrigenda issued since publication Date Text affectedBRITISH STANDARD31 March 2013 This corrigen
5、dum renumbers BS ISO 15527:2010 as BS EN ISO 15527:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 15527 March 2013 ICS 83.140.10 English Version Plastics - Compression-moulded sheets of polyethylene (PE-UHMW, PE-HD) - Requirements and test methods (ISO 15527:2010) Plastiques - Plaques
6、moules par compression en polythylne (PE-UHMW, PE-HD) - Exigences et mthodes dessai (ISO 15527:2010) Kunststoffe - Gepresste Tafeln aus Polyethylen (PE-UHMW, PE-HD) - Anforderungen und Prfverfahren (ISO 15527:2010) This European Standard was approved by CEN on 24 February 2013. CEN members are bound
7、 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 CEN
8、-CENELEC 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 CEN member into its own language and notified to the CEN-CENELEC Management Centre ha
9、s 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Lu
10、xembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 C
11、EN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 15527:2013: EForeword The text of ISO 15527:2010 has been prepared by Technical Committee ISO/TC 61 “Plastics” of the International Organization for Standardization (ISO) and has b
12、een taken over as EN ISO 15527:2013 by Technical Committee CEN/TC 249 “Plastics” the secretariat of which is held by NBN. 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 September 2013, and confli
13、cting national standards shall be withdrawn at the latest by September 2013. 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 identifying any or all such patent rights. According
14、 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, Former Yugoslav Republic of Macedonia, France, Germany, Gre
15、ece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 15527:2010 has been approved by CEN as EN ISO 15527:2013 with
16、out any modification. ISO 2013 All rights reserved iiBS EN ISO 15527:2013 EN ISO 15527:2013(E)Contents Page Foreword i 1 Scope1 2 Normative references1 3 Material .1 4 Requirements.2 4.1 Appearance 2 4.2 Dimensional tolerances 2 4.3 Properties.3 5 Test methods .4 5.1 Test specimens4 5.2 Delivery con
17、dition .5 5.3 Appearance 5 5.4 Dimensions 5 5.5 Density5 5.6 Determination of abrasion properties .5 5.7 Tensile stress at yield, y, and tensile strain at yield, y.5 5.8 Modulus of elasticity in tension, Et5 5.9 Impact strength of notched specimens 6 5.10 Melt mass-flow rate (MFR)6 6 Designation 6 7
18、 Marking.6 Annex A (normative) Requirements for rectangularity.7 Annex B (normative) Determination of abrasion properties 8 Annex C (informative) Example of apparatus for the determination of abrasion properties10 ISO 2013 All rights reserved iiiBS EN ISO 15527:2013 ISO 15527:2010 (E)iINTERNATIONAL
19、STANDARD ISO 15527:2010(E) ISO 2013 All rights reserved 1Plastics Compression-moulded sheets of polyethylene (PE-UHMW, PE-HD) Requirements and test methods 1 Scope This International Standard specifies the requirements and test methods for solid flat compression-moulded sheets of polyethylene (PE-UH
20、MW and PE-HD, see ISO 1043-1) without fillers or reinforcing materials. It applies only to thicknesses from 10 mm to 200 mm. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For und
21、ated references, the latest edition of the referenced document (including any amendments) applies. ISO 179-1, Plastics Determination of Charpy impact properties Part 1: Non-instrumented impact test ISO 291, Plastics Standard atmospheres for conditioning and testing ISO 527-2, Plastics Determination
22、of tensile properties Part 2: Test conditions for moulding and extrusion plastics ISO 1133, Plastics Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics ISO 1043-1, Plastics Symbols and abbreviated terms Part 1: Basic polymers and their special charac
23、teristics ISO 1183 (all parts), Plastics Methods for determining the density of non-cellular plastics ISO 1872-1, Plastics Polyethylene (PE) moulding and extrusion materials Part 1: Designation system and basis for specifications ISO 11542-1, Plastics Ultra-high-molecular-weight polyethylene (PE-UHM
24、W) moulding and extrusion materials Part 1: Designation system and basis for specifications ISO 11542-2, Plastics Ultra-high-molecular-weight polyethylene (PE-UHMW) moulding and extrusion materials Part 2: Preparation of test specimens and determination of properties 3 Material Sheets shall consist
25、of PE-UHMW moulding materials as defined in ISO 11542-1 or PE-HD selected from polyethylene (PE) moulding materials as defined in ISO 1872-1, without fillers or reinforcing materials. Materials and additives of unknown identity shall not be used. NOTE Legal conditions may necessitate a specific choi
26、ce of moulding material (see 4.3.2). BS EN ISO 15527:2013 2 ISO 2013 All rights reserved4 Requirements 4.1 Appearance Sheets shall have smooth surfaces. Small grooves and any resultant irregularities in the thicknesses of sheets are acceptable as long as the requirements specified in 4.2.1 are fulfi
27、lled. Sheets shall be examined in accordance with 5.3. Where agreed between the interested parties, sheets with a smooth machined surface may be supplied. Sheets shall be substantially free from bubbles, blowholes and other inhomogeneities which would make them unfit for the intended use. Specific r
28、equirements with respect to this internal integrity shall be agreed upon between the interested parties. Sheets shall be examined in accordance with 5.2. 4.2 Dimensional tolerances 4.2.1 Thickness For any individual sheet, the thickness tolerance with reference to the nominal thickness shall be as s
29、pecified in Table 1. Testing shall be in accordance with 5.4.1. Table 1 Tolerances on thickness of sheet Values in millimetres Tolerance PE-HD PE-UHMW High MW Low MW Nominal thickness hnGroup 1.1 Group 1.2 Group 2.1 Group 3.1 10 u hnu 20 30+30+30+30+20 20 mm but u 200 mm they shall be taken as shown
30、 in Figure 3. Dimensions in millimetres Key 1 surface of sheet 2 test specimen h sheet thickness Figure 2 Taking test specimens from sheets of thickness W 10 mm but u 20 mm Key 1 surface of sheet 2 test specimen h sheet thickness Figure 3 Taking test specimens from sheets of thickness 20 mm but u 20
31、0 mm The surfaces of the test specimens shall be free from damage and faults in order to avoid notch effects. Should any burrs occur on the test specimens during machining, these shall be eliminated without damaging the surfaces of the specimens. If required, the cut edges shall be finished with abr
32、asive paper (grain size 220 or finer), the direction of abrasion being along the length of the test specimens. BS EN ISO 15527:2013 ISO 15527:2010 (E) ISO 2013 All rights reserved 55.1.2 Conditioning All test specimens shall be conditioned for at least 16 h at 23 C 2 C in accordance with ISO 291 or
33、as specified in the appropriate material standard. Shorter conditioning times may be used by agreement between the interested parties when it can be shown that there is no significant difference in the results obtained. 5.1.3 Testing Testing shall be carried out in standard atmosphere 23/50 as speci
34、fied in ISO 291 or as specified in the appropriate material standard, unless otherwise agreed between the interested parties or specified in the individual test standards. 5.2 Delivery condition Sheets shall be visually examined when delivered to ensure freedom from mechanical damage or other obviou
35、s defects. Sheets can be inspected by ultrasonic or X-ray methods where required. 5.3 Appearance Where possible, sheets shall be examined for visual defects by transmitted light using a suitable light source. Otherwise, sufficiently bright reflected light shall be used. Any defects thus identified s
36、hall be compared with the agreed specification (which may be either a written specification or in the form of reference samples) and classified accordingly. 5.4 Dimensions 5.4.1 Thickness, h The thickness, h, shall be measured using suitable calibrated equipment accurate to u 0,10 mm. 5.4.2 Length,
37、l, and width, b The length, l, and width, b, shall be measured to the nearest 1 mm using suitable equipment. Measurements shall be made directly across the surface of the sheet and along the cut edge. 5.4.3 Rectangularity The rectangularity, expressed as the difference between the lengths of the dia
38、gonals, d1 d2, as shown in Figure 1, shall be measured to the nearest 1 mm using a graduated ruler or tape measure. 5.5 Density The density shall be determined in accordance with the appropriate part of ISO 1183. 5.6 Determination of abrasion properties Preparation of test specimens and abrasion tes
39、ting shall be carried out in accordance with Annex B. 5.7 Tensile stress at yield, y, and tensile strain at yield, yThe tensile stress at yield, y,and tensile strain at yield, y, shall be determined using at least five type 1B test specimens in each direction in accordance with ISO 527-2, using a te
40、st speed of 50 mm/min 5 mm/min. 5.8 Modulus of elasticity in tension, EtThe modulus of elasticity in tension, Et, shall be determined using at least five type 1B test specimens in each direction in accordance with ISO 527-2, using a test speed of 1 mm/min 0,2 mm/min. BS EN ISO 15527:2013 ISO 15527:2
41、010 (E)6 ISO 2010 All rights reserved5.9 Impact strength of notched specimens 5.9.1 Charpy impact strength of double-notched specimens The Charpy impact strength of double-notched specimens shall be determined in accordance with ISO 11542-2. 5.9.2 Charpy impact strength of single-notched specimens,
42、acNThe Charpy impact strength of notched specimens, acN, shall be determined in accordance with ISO 179-1 (method 1eA), using at least 10 test specimens at 23 C 2 C. 5.10 Melt mass-flow rate (MFR) If appropriate for the material being evaluated, the melt mass-flow rate shall be determined in accorda
43、nce with ISO 1133 at a temperature of 190 C and load of 5 kg, and at a temperature of 190 C and load of 21,6 kg. 6 Designation Example for PE-UHMW sheets: Designation: 10/sheets/ISO 15527/PE-UHMW-1.1/80 2 000 1 000/natural 7 Marking Sheets that conform to this International Standard may be marked wi
44、th the following information: a) the manufacturers name, trade mark or identification mark; b) the number of this International Standard, ISO 15527; c) the date of manufacture/batch number. BS EN ISO 15527:2013 ISO 15527:2010 (E) ISO 2013 All rights reserved 7Annex A (normative) Requirements for rec
45、tangularity Table A.1 Maximum limits of deviation from rectangularity (see 4.2.3) Values in millimetres Nominal sheet dimensions (length width) Maximum limit of deviation from rectangularity d1 d2 2 000 1 000 7 2 000 1 500 9 2 000 2 000 11 3 000 1 000 7 3 000 1 500 11 3 000 2 000 13 4 000 2 000 14 6
46、 000 1 000 8 6 000 1 500 11 BS EN ISO 15527:2013 ISO 15527:2010 (E)8 ISO 2013 All rights reservedAnnex B (normative) Determination of abrasion properties B.1 Sampling Test specimens as shown in Figure B.1 shall be prepared by machining them from the sheet. Dimensions in millimetres Thickness, h 6,35
47、 mm 0,10 mm Width, b 25,40 mm 0,20 mm Length, l 76,20 mm 0,20 mm Figure B.1 Machined test specimen B.2 Testing Carry out abrasion testing on at least two test specimens. Weigh the specimens before testing. Then, rotate the specimens for at least 3 h in a slurry of abrasive material in water, using a
48、n apparatus similar to that shown in Annex C. The rate of rotation shall be 1 200 min1 200 min1and the temperature of the slurry shall not exceed 23 C. Use silica sand (grain size 0,2 mm to 1,0 mm) or aluminium oxide (grain size 0,2 mm to 1,0 mm) as the abrasive material. It is recommended that an a
49、brasive/water slurry with a mass ratio of 3:2 be used. After testing, weigh the test specimens again. The loss in mass of the test specimens shall be at least 50 mg. For comparable test results, it is necessary to measure a reference specimen during each test. For the abrasion testing of PE-UHMW, a reference specimen made from material with an elongational stress of 0,24 MPa 0,01 MPa and/or a viscosity number of 2 300 ml/g 100 ml/g (s
