1、 STD.BSI BS EN IS0 14528-3-ENGL 2000 W Lb24669 082355b 35T H BRITISH STANDARD Plastics - Melamine-formaldehyde powder moulding compounds (MF-PMCS) - Part 3: Requirements for selected moulding compounds The European Standard EN IS0 145283: 1999 has the status of a British Standard ICs 83.080.10 NO CO
2、PYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN IS0 14528-3:2000 STDmBSI ES EN IS0 14528-3-ENGL 2000 M Lb29bb9 0623557 23b E BS EN IS0 145283:2000 been prepared under the direction of the Sector Committee for Materiais and Chemicals, was published under the authority of the S
3、tandards Committee and comes into effect on 15 January 2000 Amd. No. O BSI 01-2000 ISBN O 580 35881 X National foreword Date Comments This British Standard is the English language version of EN IS0 145283.1999. It is identical with IS0 145283: 1999. The UK participation in its preparation was entrus
4、ted to Technical Committee PW42, Fibre reinforced thermosetting plastics and prepregs, which has the responsibility to: - aid enquirers to understand the text, - present to the responsible internationaVEuropean committee any enquiries on the interpretation, or proposals for change, and keep the UK i
5、nterests informed; - monitor related international and European developments and promulgate them in the UK A list of organizations represented on this committee can be obtained on request to its secretaxy. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normaliy includ
6、e an annex which lists normative references to international publications with their corresponding European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entited “international Standards
7、Correspondence index“, or by using the “Find“ facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include ali the necessary provisions of a contmct. Users of British Standards are responsible for their correct application. Compliance with a British Standard doe
8、s not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN IS0 title page, the EN IS0 foreword page, the IS0 title page, pages ii and iii, a blank page, pages 1 to 5 and a back cover. The BSI copyright notice displaye
9、d in this document indicates when the document was last issued. STD-BSI BS EN IS0 14528-3-ENGL 2000 1624669 0823558 122 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN IS0 1452 - moisture content. If this is so, these properties and test methods, as well as the test conditions to be used, shall
10、 be as agreed between the interested parties. 4.2 Filler/reinforcement type and content In order for a melamine-formaldehyde powder moulding compound to be considered as complying with this part of IS0 14528, the nature, form and content by mass of its fillerheinforcement shall be as given in the de
11、signation of the moulding compound (see IS0 14528-1 :1999, subclause 4.2). 2 - - STDOBSI BS EN IS0 14528-3-ENGL 2000 1b24bb9 08235b4 42b H (LD25+M D20) to (LD35+MD10) EN IS0 14528-3:1999 (LD2O+M D25),X,N (LD2O+M D25),X,N,M (WD30+MD15) (LD30+MDl5),X,N (LDBO+MDlS),X,N,M (WD40+MW5) to to to Table 1 - P
12、roperty requirements for MF-PMCs containing (LD+MD) or (WD+MD) as filler - 1 1.1 2 2.1 - - - - 2.2 2.3 7 - 2.4 - 3 3.1 - - 3.2 - 3.3 4 4.1 I - - 4.2 4.3 4.4 5 5.1 5.2 - - - - - - 5.3 5.4 5.5 a Q = Compression moulding M = Injection moulding - NOTE 1 See IS0 14528-2:1999, Tables 3 and 4, columns 3, 4
13、, and 7, for the methods to be used for the preparation of test specimer and the determination of properties. NOTE 2 In view of the differences between the property-value limits for compression-moulding and injection-moulding materials, tt likely variations in test results and the wide range of prop
14、erties covered, it should not be assumed that materials having the same designatic are exactly equivalent. 7 Property Q 3 40 40 40 50 50 50 Stress at break, crB MPa Q 3 80 80 90 90 1 O0 1 O0 Flexural strength, a, MPa Q B 58 5-0 6,O strength, a, B 6,O 6,O 8,O kJ/m2 Charpy impact strength, uCA 3 1.4 1
15、,4 13 3 3 Charpy notched impact kJ/m2 Q 1,2 12 1,4 EJF min. 40 50 70 90 5,O 6-0 12 13 Temperature of deflection under load, T,1,8 Temperature of deflection under load, Tf8,0 Flammability (glow bar), BH OC Q/M 3 155 155 155 155 OC Q/M B 110 110 110 110 - Q/M BH 2-10 BH 2-10 BH 2-10 BH 2-10 Rheologica
16、l and processlng properties To be agreed between the interested parties Mechanical properties - - - - Q/M Dissipation factor, tan 6 1 O0 - Thermal properties Electrical properties Volume resistivity, pe Ocm Q/M Surface resistivity, u, Q/M I 600 Other properties Extractable formaldehyde -with water,
17、mmF - with acetic acid, m,F Pg/ml -with ethyl alcohol, mwALF 6 I 200 I 200 I 200 I 200 3 3 3 STD-BSI BS EN IS0 L4528-3-ENGL 2000 Zb24bb9 0823565 362 EN IS0 14528-3:1999 Pro- Max. inga min. Property Unit cess- or Table 2 - Property requirements for MF-PMCs containing (SS+MD) or (GF+MD) as filler -. (
18、SS30+MD15) (GF20+MD25) to to (SS40+MD05) (GF30+MD15) - - IS -1 6 3 3.1 3.2 3.3 1 7 18 Thermal properties Temperature of deflection oc under load, T,l,8 110 130 Temperature of deflection oc under load, T,8,0 Flammability (glow bar), BH - Q/M Q BH 2-10 BH 1 155 180 I Type: PMC Is0 1452MD25) I (SS40+M
19、to D05) (GF30+MD15) I- DIN 7708-3:1975 I 154 I I I - 5 STD.BSI BS EN IS0 1452B-3-ENGL 2000 111 Lb24bb9 08235b L35 6 BS EN IS0 14528-3:2000 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards. It
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