1. Trang chủ
  2. » Kỹ Thuật - Công Nghệ

Bsi bs en 12877 3 2000

8 0 0

Đang tải... (xem toàn văn)

THÔNG TIN TÀI LIỆU

Nội dung

| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |[.]

Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 09:03:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BRITISH STANDARD Colouring materials in plastics Ð Determination of colour stability to heat during processing of colouring materials in plastics Ð Part 3: Determination by oven test The European Standard EN 12877-3:1999 has the status of a British Standard ICS 83.040.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BS EN 12877-3:2000 BS EN 12877-3:2000 National foreword Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 09:03:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI This British Standard is the English language version of EN 12877-3:1999 The UK participation in its preparation was entrusted to Technical Committee STI/1, Pigments,which has the responsibility to: Ð aid enquirers to understand the text; Ð present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; Ð 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 secretary Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled ªInternational Standards Correspondence Indexº, or by using the ªFindº facility of the BSI Standards Electronic Catalogue A British Standard does not purport to include all 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, the EN title page, pages to and a back cover The BSI copyright notice displayed in this document indicates when the document was last issued This British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 January 2000  BSI 01-2000 ISBN 580 35859 Amendments issued since publication Amd No Date Comments (1 (8523($167$1'$5' 1250((8523e(11( Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 09:03:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI (8523b,6&+(1250 2FWREHU ,&6 (QJOLVKYHUVLRQ &RORXULQJPDWHULDOVLQSODVWLFV'HWHUPLQDWLRQRIFRORXUVWDELOLW\ WRKHDWGXULQJSURFHVVLQJRIFRORXULQJPDWHULDOVLQSODVWLFV 3DUW'HWHUPLQDWLRQE\RYHQWHVW 0DWLqUHVFRORUDQWHVGDQVOHVSODVWLTXHV'pWHUPLQDWLRQGH ODVWDELOLWpGHODFRXOHXUjODFKDOHXUDXFRXUVGHODPLVHHQ RHXYUHGHVPDWLqUHVFRORUDQWHVGDQVOHVSODVWLTXHV 3DUWLH'pWHUPLQDWLRQSDUHVVDLjO pWXYH )DUEPLWWHOLQ.XQVWVWRIIHQ%HVWLPPXQJGHU%HVWlQGLJNHLW GHU)DUEHJHJHQ+LW]HEHLP9HUDUEHLWHQYRQ)DUEPLWWHOQLQ XQVWVWRIIHQ7HLO%HVWLPPXQJGXUFK3UIXQJLP :l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e (8523e(1 '( 1250$/,6$7,21 (8523b,6&+(6 20,7(( )h5 125081* &HQWUDO6HFUHWDULDWUXHGH6WDVVDUW%%UXVVHOV ‹&(1 $OOULJKWVRIH[SORLWDWLRQLQDQ\IRUPDQGE\DQ\PHDQVUHVHUYHG ZRUOGZLGHIRU&(1QDWLRQDO0HPEHUV 5HI1R(1( 3DJH (1 )RUHZRUG Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 09:03:24 GMT+00:00 2006, Uncontrolled Copy, (c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‹%6, 3DJH (1 0DWHULDOV Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 09:03:24 GMT+00:00 2006, Uncontrolled Copy, (c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•&SUHIHUDEO\WRZLWKLQ“•&EXW QRWH[HHGLQJ“•& 7KHRYHQVKDOOEHFDSDEOHRIUHJDLQLQJWKHWHVWWHPSHUDWXUHVZLWKLQVDIWHUWKHVSHFLPHQKDVEHHQSODFHGLQ LW,WVKDOOEHILWWHGZLWKIRUFHGYHQWLODWLRQHTXLSPHQW6KHOYHVVKDOOEHVXFKWKDWWKH\DOORZWKHIUHHFLUFXODWLRQRI DLU ZLWKLQ WKH RYHQ 7R UHJDLQ WKH WHVW WHPSHUDWXUH LQ WKH VSHFLILHG WLPH WKH DLU RYHQ PD\ EH SURYLGHG ZLWK D GUDZHULQWKHGRRUDQGRUDPHWDOEORFNIRUKLJKHUKHDWFDSDFLW\ 7HPSHUDWXUHPHDVXULQJGHYLFHIRUPHDVXULQJWKHWHPSHUDWXUHLQWKHRYHQDVFORVHDVSRVVLEOHWRWKH VSHFLPHQV m o c $OXPLQLXPVKHHWVXQFRDWHGDQGGHJUHDVHGRIWKLFNQHVVPPWRPP7KHVKHHWVVKDOOEHDIHZ FHQWLPHWHUVVPDOOHUWKDQWKHVKHOYHVRUGUDZHUVRIWKHRYHQ7KHIURQWHGJHRIWKHVKHHWVPD\EHEHQWXSZDUGV WRIDFLOLWDWHKDQGOLQJ 3ODWHSUHVVSURYLGHGZLWKDKHDWLQJDQGFRROLQJV\VWHP w x zf b ww 6SHFWURSKRWRPHWHU RU WULVWLPXOXV FRORULPHWHU IRU FRORXU PHDVXUHPHQWV LQ DFFRUGDQFH ZLWK ,62 6DPSOLQJ 6HH(1 网 享 w 分 准 标 7HVWVSHFLPHQV )RUPDQGGLPHQVLRQV 8QOHVV RWKHUZLVH VSHFLILHG RU DJUHHG WHVW VSHFLPHQV RI GLPHQVLRQV PP[PP [PP VXLWDEOH IRU FRORULPHWU\VKDOOEHXVHG &RQFHQWUDWLRQRIFRORXULQJPDWHULDO 7KHFRORXULQJPDWHULDOVKDOOEHWHVWHGLQUHGXFHGVKDGH  DQGRULQIXOOVKDGH    )RU WHVWLQJ LQ UHGXFHG VKDGH WKH FRQFHQWUDWLRQ RI WKH FRORXULQJ PDWHULDO LQ WKH WHVW PHGLXP VKDOO FRUUHVSRQGWR D VWDQGDUGGHSWKRIVKDGH 6' LQDFFRUGDQFHZLWK(1DQQH[$RU E VWDQGDUGGHSWKRIVKDGH 6' LQDFFRUGDQFHZLWK(1DQQH[$RU F DQDJUHHGUHGXFWLRQUDWLR )RUDWHVWVSHFLPHQWKLFNQHVVRIPPRIWLWDQLXPGLR[LGHSLJPHQWLVQHFHVVDU\WRREWDLQIXOOKLGLQJ )RUWHVWLQJLQIXOOVKDGHWKHFRQFHQWUDWLRQRIWKHFRORXULQJPDWHULDOLQWKHWHVWPHGLXPVKDOOFRUUHVSRQGWR D $OWHUQDWLYHO\DFRQFHQWUDWLRQRI SUHIHUUHGIRURUJDQLFSLJPHQWVDQGG\HVWXIIV RU SUHIHUUHG IRULQRUJDQLFSLJPHQWV RUDQRWKHUDJUHHGDSSURSULDWHFRQFHQWUDWLRQVKDOOEHWDNHQ ‹%6, 3DJH (1 3URFHGXUH Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 09:03:24 GMT+00:00 2006, Uncontrolled Copy, (c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•&IRUPLQXVLQJWKHSODWHSUHVV  DQGVXIILFLHQWSUHVVXUHWRHQVXUHDVPRRWKVXUIDFHRI WKHWHVWVSHFLPHQ &RPSDUHWKHFRORXURIWKHXSSHUVXUIDFHRIWKHWUHDWHGWHVWVSHFLPHQVZLWKWKDWRIXQWUHDWHGWHVWVSHFLPHQV HLWKHUFRORULPHWULFDOO\RUYLVXDOO\ 127( &RORXULQJ PDWHULDOV VXFK DV &, 3LJPHQW 5HG   DQG  DQG G\HVWXIIV FDQ FKDQJH FRORXU UHYHUVLEO\DIWHUKHDWWUHDWPHQWDQGWKHVSHFLPHQVVKRXOGEHPDLQWDLQHGDWURRPWHPSHUDWXUHIRUDWOHDVW KEHIRUHDVVHVVPHQW m o c ,IFRORXU PHDVXUHPHQW LV VSHFLILHG SURFHHG LQ DFFRUGDQFH ZLWK ,62   DQG ,62  )RU YLVXDOFRPSDULVRQXVHWKHJUH\VFDOHVSHFLILHGLQ(1$ w x zf ([SUHVVLRQRIUHVXOWV ([SUHVVWKHWHVWUHVXOWVHLWKHU DV D FRORXU GLIIHUHQFH LQ DFFRUGDQFH ZLWK ,62  RU DV D VWHS RI WKH JUH\ VFDOHWRJHWKHUZLWKWKHGLUHFWLRQRIDQ\FRORXUFKDQJH 7HVWUHSRUW w 7KHWHVWUHSRUWVKDOOFRQWDLQDWOHDVWWKHIROORZLQJLQIRUPDWLRQ 网 享 b ww D DUHIHUHQFHWRWKLV(XURSHDQ6WDQGDUG (1  分 准 标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‹%6, 3DJH (1 $QQH[$ QRUPDWLYH Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 09:03:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 6WDQGDUGWHVWFRQGLWLRQV 8QOHVV RWKHUZLVH VSHFLILHG WKH WHVW FRQGLWLRQV VKDOO EH DJUHHG EHWZHHQ WKH LQWHUHVWHG SDUWLHV :KHQHYHU SRVVLEOHWKH\VKDOOEHVHOHFWHGIURPWKHFRPELQDWLRQVJLYHQLQ7DEOH$ 7DEOH$6WDQGDUGWHVWFRQGLWLRQV 3ODVWLFVPDWHULDO XVHG 7HPSHUDWXUH 3HULRGRIKHDWLQJ •& •& •& PLQ   3RO\YLQ\OFKORULGH $SSURSULDWHWHVWFRQGLWLRQVIRURWKHUSODVWLFVPDWHULDOVPD\EHDJUHHGEHWZHHQWKHLQWHUHVWHGSDUWLHV m o c w x zf 网 享 分 准 标 ‹%6, w b ww Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 09:03:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 12877-3:2000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI Ð British Standards Institution BSI is the independent national body responsible for preparing British Standards It presents the UK view on standards in Europe and at the international level It is incorporated by Royal Charter Revisions British Standards are updated by amendment or revision Users of British Standards should make sure that they possess the latest amendments or editions It is the constant aim of BSI to improve the quality of our products and services We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover Tel: 020 8996 9000 Fax: 020 8996 7400 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: 020 8996 9001 Fax: 020 8996 7001 m o c In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested w x zf Information on standards b ww BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service Various BSI electronic information services are also available which give details on all its products and services Contact the Information Centre Tel: 020 8996 7111 Fax: 020 8996 7048 网 享 w Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards For details of these and other benefits contact Membership Administration Tel: 020 8996 7002 Fax: 020 8996 7001 分 准 标 BSI 389 Chiswick High Road London W4 4AL Copyright Copyright subsists in all BSI publications BSI also holds the copyright, in the UK, of the publications of the international standardization bodies Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means ± electronic, photocopying, recording or otherwise ± without prior written permission from BSI This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained If permission is granted, the terms may include royalty payments or a licensing agreement Details and advice can be obtained from the Copyright Manager Tel: 020 8996 7070

Ngày đăng: 14/04/2023, 00:53

TÀI LIỆU CÙNG NGƯỜI DÙNG

  • Đang cập nhật ...

TÀI LIỆU LIÊN QUAN