BS EN 60684-3-136-1998 Specification for flexible insulating sleeving - Specification requirements for individual types of sleeving - Extruded fluorosilicone sleeving - General pur.pdf

1、%5,7,6+67$1$5 %6(1 ,(& ,QFRUSRUDWLQJ &RUULJHQGXP1R )OHLEOHLQVXODWLQJ VOHHYLQJ 3DUW6SHFLILFDWLRQIRULQGLYLGXDO WSHVRIVOHHYLQJ 6KHHW(WUXGHGIOXRURVLOLFRQH VOHHYLQJ*HQHUDOSXUSRVH 7KH(XURSHDQ6WDQGDUG(1KDVWKHVWDWXVRID %ULWLVK6WDQGDUG ,&6%6(1 7KLV%ULWLVK6WDQGDUGKDYLQJ EHHQSUHSDUHGXQGHUWKH GLUHFWLRQRIWKH (OH

2、FWURWHFKQLFDO6HFWRU%RDUG ZDVSXEOLVKHGXQGHUWKH DXWKRULWRIWKH6WDQGDUGV %RDUGDQGFRPHV LQWRHIIHFWRQ $SULO %6, ,6%1 1DWLRQDOIRUHZRUG 7KLV%ULWLVK6WDQGDUGLVWKH(QJOLVKODQJXDJHYHUVLRQRI (1,WLVLGHQWLFDOZLWK,(&LQFOXGLQJ FRUULJHQGXP)HEUXDU 7KH8.SDUWLFLSDWLRQLQLWVSUHSDUDWLRQZDVHQWUXVWHGE7HFKQLFDO&RPPLWWHH *(/,QV

3、XODWLQJPDWHULDOVWR6XEFRPPLWWHH*(/0DWHULDO VSHFLILFDWLRQVZKLFKKDVWKHUHVSRQVLELOLWWR DLGHQTXLUHUVWRXQGHUVWDQGWKHWHW SUHVHQWWRWKHUHVSRQVLEOHLQWHUQDWLRQDO(XURSHDQFRPPLWWHHDQ HQTXLULHVRQWKHLQWHUSUHWDWLRQRUSURSRVDOVIRUFKDQJHDQGNHHSWKH8. LQWHUHVWVLQIRUPHG PRQLWRUUHODWHGLQWHUQDWLRQDODQG(XURSHDQGHYHORSPHQWVD

4、QG SURPXOJDWHWKHPLQWKH8. $OLVWRIRUJDQLDWLRQVUHSUHVHQWHGRQWKLVFRPPLWWHHFDQEHREWDLQHGRQ UHTXHVWWRLWVVHFUHWDU )URP-DQXDUDOO,(&SXEOLFDWLRQVKDYHWKHQXPEHUDGGHGWR WKHROGQXPEHU)RULQVWDQFH,(&KDVEHHQUHQXPEHUHGDV,(& )RUDSHULRGRIWLPHGXULQJWKHFKDQJHRYHUIURPRQHQXPEHULQJVVWHPWRWKH RWKHUSXEOLFDWLRQVPDFRQWDLQLGHQWLI

5、LHUVIURPERWKVVWHPV &URVVUHIHUHQFHV $WWHQWLRQLVGUDZQWRWKHIDFWWKDW&(1DQG&(1(/(&VWDQGDUGVQRUPDOO LQFOXGHDQDQQHZKLFKOLVWVQRUPDWLYHUHIHUHQFHVWRLQWHUQDWLRQDO SXEOLFDWLRQVZLWKWKHLUFRUUHVSRQGLQJ(XURSHDQSXEOLFDWLRQV7KH%ULWLVK 6WDQGDUGVZKLFKLPSOHPHQWLQWHUQDWLRQDORU(XURSHDQSXEOLFDWLRQVUHIHUUHG WRLQWKLVGRFXPHQW

6、PDEHIRXQGLQWKH%6,6WDQGDUGV&DWDORJXHXQGHUWKH VHFWLRQHQWLWOHG,QWHUQDWLRQDO6WDQGDUGV&RUUHVSRQGHQFH,QGHRUEXVLQJ WKH)LQGIDFLOLWRIWKH%6,6WDQGDUGV(OHFWURQLF&DWDORJXH $%ULWLVK6WDQGDUGGRHVQRWSXUSRUWWRLQFOXGHDOOWKHQHFHVVDUSURYLVLRQVRI DFRQWUDFW8VHUVRI%ULWLVK6WDQGDUGVDUHUHVSRQVLEOHIRUWKHLUFRUUHFW DSSOLFDWLRQ &

7、RPSOLDQFHZLWKD%ULWLVK6WDQGDUGGRHVQRWRILWVHOIFRQIHULPPXQLW IURPOHJDOREOLJDWLRQV 6XPPDURISDJHV 7KLVGRFXPHQWFRPSULVHVDIURQWFRYHUDQLQVLGHIURQWFRYHU WKH(1WLWOHSDJHSDJHVWRDQLQVLGHEDFNFRYHUDQGDEDFNFRYHU 7KH%6,FRSULJKWQRWLFHGLVSODHGLQWKLVGRFXPHQWLQGLFDWHVZKHQWKH GRFXPHQWZDVODVWLVVXHG $PHQGPHQWVLVVXHGVLQFHSX

8、EOLFDWLRQ $PG1R DWH &RPPHQWV -XQH &RUUHFWLRQVWR7DEOH&RORXUIDVWQHVVWROLJKWURZ 5HTXLUHPHQWVDQG5HPDUNVFROXPQV(8523($167$1$5 1250(8523e(11( (8523b,6&+(1250 (1 )HEUXDU ,&6 (QJOLVKYHUVLRQ )OHLEOHLQVXODWLQJVOHHYLQJ 3DUW6SHFLILFDWLRQIRULQGLYLGXDOWSHVRIVOHHYLQJ 6KHHW(WUXGHGIOXRURVLOLFRQHVOHHYLQJ*HQHUDO SXUSR

9、VH ,(& *DLQHVLVRODQWHVVRXSOHV 3DUWLH6SpFLILFDWLRQVSRXUWSHVSDUWLFXOLHUV GHJDLQHV )HXLOOH*DLQHVHQIOXRURVLOLFRQHHWUXGp 8VDJHJpQpUDO &(, ,VROLHUVFKOlXFKH 7HLO$QIRUGHUXQJHQIUHLQHOQH 6FKODXFKWSHQ %ODWW(WUXGLHUWH)OXRUVLOLFRQVFKOlXFKH $OOJHPHLQH$QZHQGXQJ ,(& 7KLV (XURSHDQ 6WDQGDUG ZDV DSSURYHG E &(1(/(& RQ

10、&(1(/(&PHPEHUVDUHERXQGWRFRPSOZLWKWKH&(1&(1(/(&,QWHUQDO 5HJXODWLRQVZKLFKVWLSXODWHWKHFRQGLWLRQVIRUJLYLQJWKLV(XURSHDQ6WDQGDUG WKHVWDWXVRIDQDWLRQDOVWDQGDUGZLWKRXWDQDOWHUDWLRQ 8SWRGDWH OLVWV DQG ELEOLRJUDSKLFDO UHIHUHQFHV FRQFHUQLQJ VXFK QDWLRQDO VWDQGDUGVPDEHREWDLQHGRQDSSOLFDWLRQWRWKH&HQWUDO6HFUHWDULDWR

11、UWRDQ &(1(/(&PHPEHU 7KLV(XURSHDQ6WDQGDUGHLVWVLQWKUHHRIILFLDOYHUVLRQV(QJOLVK)UHQFK *HUPDQ$YHUVLRQLQDQRWKHUODQJXDJHPDGHEWUDQVODWLRQXQGHUWKH UHVSRQVLELOLWRID&(1(/(&PHPEHULQWRLWVRZQODQJXDJHDQGQRWLILHGWRWKH &HQWUDO6HFUHWDULDWKDVWKHVDPHVWDWXVDVWKHRIILFLDOYHUVLRQV &(1(/(&PHPEHUVDUHWKHQDWLRQDOHOHFWURWHFKQLF

12、DOFRPPLWWHHVRI$XVWULD %HOJLXP &HFK 5HSXEOLF HQPDUN )LQODQG )UDQFH *HUPDQ *UHHFH ,FHODQG,UHODQG,WDO/XHPERXUJ1HWKHUODQGV1RUZD3RUWXJDO6SDLQ 6ZHGHQ6ZLWHUODQGDQG8QLWHG.LQJGRP &(1(/(& (XURSHDQ&RPPLWWHHIRU(OHFWURWHFKQLFDO6WDQGDUGLDWLRQ &RPLWp(XURSpHQGH1RUPDOLVDWLRQ(OHFWURWHFKQLTXH (XURSlLVFKHV.RPLWHHIU(OHN

13、WURWHFKQLVFKH1RUPXQJ &HQWUDO6HFUHWDULDWUXHGH6WDVVDUW%UXVVHOV &(1(/(&$OOULJKWVRIHSORLWDWLRQLQDQIRUPDQGEDQPHDQVUHVHUYHGZRUOGZLGHIRU &(1(/(&PHPEHUV 5HI1R(1(1 %6, )RUHZRUG 7KHWHWRIGRFXPHQW&),6IXWXUH HGLWLRQRI,(&SUHSDUHGE6& 6SHFLILFDWLRQVRI,(&7&,QVXODWLQJPDWHULDOV ZDVVXEPLWWHGWRWKH,(&(1(/(&SDUDOOHOYRWH D

14、QGZDVDSSURYHGE&(1(/(&DV(1 RQ 7KHIROORZLQJGDWHVZHUHILHG $QQHHVGHVLJQDWHGQRUPDWLYHDUHSDUWRIWKH ERGRIWKHVWDQGDUG ,QWKLVVWDQGDUG$QQH=$LVQRUPDWLYH $QQH=$KDVEHHQDGGHGE&(1(/(& (QGRUVHPHQWQRWLFH 7KHWHWRIWKH,QWHUQDWLRQDO6WDQGDUG ,(&ZDVDSSURYHGE&(1(/(& DVD(XURSHDQ6WDQGDUGZLWKRXWDQPRGLILFDWLRQ &RQWHQWV 3DJH )R

15、UHZRUG ,QWURGXFWLRQ 6 F R S H 1RUPDWLYHUHIHUHQFHV HVLJQDWLRQ 5HTXLUHPHQWV 3URGXFWTXDOLILFDWLRQ $QQH=$QRUPDWLYH1RUPDWLYHUHIHUHQFHV WRLQWHUQDWLRQDOSXEOLFDWLRQVZLWK WKHLUFRUUHVSRQGLQJ(XURSHDQ SXEOLFDWLRQV ,QVLGHEDFNFRYHU 7DEOHLPHQVLRQV 7DEOH3URSHUWUHTXLUHPHQWV 7DEOH5HTXLUHPHQWVIRUZDOOWKLFNQHVV DQGEUHDN

16、GRZQYROWDJH ODWHVWGDWHEZKLFKWKH (1KDVWREHLPSOHPHQWHG DWQDWLRQDOOHYHOE SXEOLFDWLRQRIDQLGHQWLFDO QDWLRQDOVWDQGDUGRUE HQGRUVHPHQW GRS ODWHVWGDWHEZKLFKWKH QDWLRQDOVWDQGDUGV FRQIOLFWLQJZLWKWKH(1 KDYHWREHZLWKGUDZQ GRZ(1 %6, ,QWURGXFWLRQ 7KLV,QWHUQDWLRQDO6WDQGDUGLVRQHRIDVHULHVZKLFKGHDOVZLWKIOHLEOHLQVXODWLQ

17、JVOHHYLQJIRUHOHFWULFDO SXUSRVHV 7KHVHULHVFRQVLVWVRIWKUHHSDUWV 3DUWHILQLWLRQVDQGJHQHUDOUHTXLUHPHQWV,(& 3DUW0HWKRGVRIWHVW,(& 3DUW6SHFLILFDWLRQIRULQGLYLGXDOWSHVRIVOHHYLQJ,(& 7KLVVWDQGDUGJLYHVRQHRIWKHVKHHWVFRPSULVLQJSDUWDVIROORZV 6KHHW(WUXGHGIOXRURVLOLFRQHVOHHYLQJ*HQHUDOSXUSRVH 6FRSH 7KLVVKHHWRI,(&JLYHV

18、WKHUHTXLUHPHQWVIRUQRQKHDWVKULQNDEOHVOHHYLQJHWUXGHGIURP FRPSRXQGVEDVHGRQIOXRURVLOLFRQHUXEEHU 6OHHYLQJRIWKLVWSHLVQRUPDOODYDLODEOHZLWKLQWHUQDOGLDPHWHUVXSWRPPDQGLQDUDQJHRIGLIIHUHQW ZDOOWKLFNQHVVHVEHWZHHQPPDQGPP1DWLRQDOVWDQGDUGVPDVHOHFWDUHVWULFWHGOLVWRISUHIHUUHG FRPELQDWLRQVRILQWHUQDOGLDPHWHUDQGZDOOWKLFN

19、QHVV 7KHVHVOHHYLQJVDUHQRUPDOODYDLODEOHLQWKHIROORZLQJRSDTXHFRORXUVEODFNEURZQUHGRUDQJHHOORZ JUHHQEOXHYLROHWJUHZKLWHSLQNDQGJUHHQHOORZ7KHDUHDOVRDYDLODEOHLQFRORXUOHVV WUDQVOXFHQWWUDQVSDUHQWIRUP 1RUPDWLYHUHIHUHQFHV 7KHIROORZLQJQRUPDWLYHGRFXPHQWVFRQWDLQSURYLVLRQVZKLFKWKURXJKUHIHUHQFHLQWKHWHWFRQVWLWXWH SURY

20、LVLRQVRIWKLVVKHHWRI,(&$WWKHWLPHRISXEOLFDWLRQWKHHGLWLRQVLQGLFDWHGZHUHYDOLG$OO QRUPDWLYHGRFXPHQWVDUHVXEMHFWWRUHYLVLRQDQGSDUWLHVWRDJUHHPHQWVEDVHGRQWKLVVKHHWRI ,(&DUHHQFRXUDJHGWRLQYHVWLJDWHWKHSRVVLELOLWRIDSSOLQJWKHPRVWUHFHQWHGLWLRQVRIWKH QRUPDWLYHGRFXPHQWVLQGLFDWHGEHORZ 0HPEHUVRI,(&DQG,62PDLQWDLQUHJLVWH

21、UVRIFXUUHQWOYDOLG ,QWHUQDWLRQDO6WDQGDUGV ,(& 6SHFLILFDWLRQIRUIOHLEOHLQVXODWLQJVOHHYLQJ3DUWHILQLWLRQVDQGJHQHUDO UHTXLUHPHQWV ,(& )OHLEOHLQVXODWLQJVOHHYLQJ3DUW0HWKRGVRIWHVW ,(& &RGHIRUGHVLJQDWLRQRIFRORXUV HVLJQDWLRQ 7KHVOHHYLQJVKDOOEHLGHQWLILHGEWKHIROORZLQJGHVLJQDWLRQ $QDEEUHYLDWLRQXVHGIRUFRORXUVKDOOF

22、RPSOZLWK,(&ZKHUHDSSOLFDEOH1RQVWDQGDUGFRORXUV VKDOOEHZULWWHQRXWLQIXOO ,QFDVHRIGLVSXWHWKHUHIHUHQFHGHGLWLRQLVDSSOLFDEOH(1 %6, 5HTXLUHPHQWV ,QDGGLWLRQWRWKHJHQHUDOUHTXLUHPHQWVJLYHQLQ,(&WKHVOHHYLQJVKDOOFRPSOZLWKWKH UHTXLUHPHQWVRI7DEOH7DEOHDQG7DEOH 3URGXFWTXDOLILFDWLRQ 3URGXFWTXDOLILFDWLRQVKDOOQRUPDOOEHEDV

23、HGRQUHVXOWVIURPPPLQWHUQDOGLDPHWHUEODFNVOHHYLQJ &RORXUDQGFRORXUIDVWQHVVWROLJKWVKDOOEHTXDOLILHGIRUDOOFRORXUV 7DEOHLPHQVLRQV 1RPLQDOLQWHUQDOGLDPHWHU PP 7ROHUDQFH PP 127( 0HDVXUHPHQWVVKDOOEHPDGHWRWKH QHDUHVWPP 127( 6HH7DEOHIRUZDOOWKLFNQHVVHV(1 %6, 7DEOH3URSHUWUHTXLUHPHQWV 3URSHUW ,(& &ODXVH 8QLWV 0D RU

24、PLQ 5HTXLUHPHQWV 5HPDUNV LPHQVLRQV PP 7DEOH 5HVLVWDQFHWRVSOLWWLQJ DIWHUKHDWLQJ 7KHULQJVVKDOOQRW VSOLWRIIWKHPDQGUHO (ORQJDWLRQ %HQGLQJDWORZ WHPSHUDWXUH 7KHUHVKDOOEHQR FUDFNLQJ 7HVWWHPSHUDWXUH &RU ORZHU)RUQRPLQDOERUHV RIPPDQGOHVVXVHXQILOOHG VOHHYLQJDQGD PDQGUHOWRWLPHVWKH QRPLQDOZDOOWKLFNQHVV)RU FXWVWU

25、LSVXVHD PDQGUHOWRWLPHVWKH QRPLQDOZDOOWKLFNQHVV 7HQVLOHVWUHQJWK (ORQJDWLRQDWEUHDN DQG 03D 0LQ 0LQ 5DWHRIMDZVHSDUDWLRQ PPPLQ %UHDNGRZQYROWDJH N9 0LQ 6HH7DEOH 9ROXPHUHVLVWLYLW DWURRP WHPSHUDWXUH DIWHUGDPSKHDW 7P 7P 0LQ 0LQ )ODPHSURSDJDWLRQ 0HWKRG$ V 0D ,QDGGLWLRQWKHLQGLFDWRUIODJ VKDOOQRWEHEXUQHGRQDQRI

26、WKHWKUHHVSHFLPHQV7KH FRWWRQVKDOOQRWEHLJQLWHG 7UDQVSDUHQF 3ULQWLQJVKDOOEH OHJLEOH 7UDQVSDUHQWVOHHYLQJRQO &RORXUIDVWQHVVWROLJKW 7KHFRORXUFRQWUDVW EHWZHHQWKHHSRVHG DQGXQHSRVHGSDUWV RIWKHVSHFLPHQV VKDOOEHHTXDOWRRU OHVVWKDQWKDWRIWKH IDVWQHVVVWDQGDUG $IWHUWKLVWHVW WUDQVSDUHQWVOHHYLQJ VKDOOPHHWWKH UHTXLUHP

27、HQWVIRU WUDQVSDUHQF )DVWQHVVVWDQGDUG1R 5HVLVWDQFHWRRRQH 7KHUHVKDOOEHQR VLJQRIFUDFNLQJ 7KHPDQGUHOGLDPHWHUVKDOO EHWZLFHWKHQRPLQDOLQWHUQDO GLDPHWHURIWKHVOHHYLQJ7KH VSHFLPHQVVKDOOEHWHVWHG IRU KDW & . DQGDQRRQHFRQFHQWUDWLRQ RI 7KHUPDOHQGXUDQFH 7HPSHUDWXUHLQGH 0LQ 7KHUHFRPPHQGHGSURSHUW VKDOOEHWHQVLOHVWUHQ

28、JWK 7KHHQGSRLQWVKDOOEHRI WKHLQLWLDOYDOXHRIWHQVLOH VWUHQJWK(1 %6, 7DEOH5HTXLUHPHQWVIRUZDOOWKLFNQHVVDQGEUHDNGRZQYROWDJH 7DEOH3URSHUWUHTXLUHPHQWV FRQWLQXHG 3URSHUW ,(& &ODXVH 8QLWV 0D RU PLQ 5HTXLUHPHQWV 5HPDUNV +HDWDJHLQJ 0LQ 7HVWWHPSHUDWXUH & . 0HDVXUHHORQJDWLRQDWEUHDN RQO 7HQVLRQVHW 0 D 7HDUSURSDJDW

29、LRQ 0DQGUHOGLDPHWHUWZLFHWKH QRPLQDOLQWHUQDOGLDPHWHU :LWKRXWWHDULQLWLDWLRQ 7KHVOHHYHVVKDOOQRW VSOLWRIIWKHPDQGUHO $JHGIRUGDV DW & . :LWKWHDULQLWLDWLRQ 7KHVOHHYHVVKDOOQRW VSOLWRIIWKHPDQGUHO 7KHVOHHYHVVKDOOEHWHVWHG XQDJHG %UHDNGRZQYROWDJHVKDOOEHGHWHUPLQHGXVLQJRQHRIWKHPHWKRGVJLYHQLQ DQG RI ,(&DVDSSOLFDEO

30、HDWURRPWHPSHUDWXUHDQGDWHOHYDWHGWHPSHUDWXUHDFFRUGLQJ WR RI,(& 7KHUDWHRIDSSOLFDWLRQRIYROWDJHVKDOOEHVXFKWKDWWKHUHTXLUHGYDOXHLVUHDFKHGEHWZHHQVDQGV 7KLFNQHVV PP %UHDNGRZQYROWDJH N9 1RPLQDO 7ROHUDQFH 5RRPWHPSHUDWXUH & . D D 7KLVZDOOWKLFNQHVVLVQRUPDOORQODYDLODEOHIRUVOHHYLQJVRIQRPLQDOLQWHUQDOGLDPHWHUXSWRDQG

31、LQFOXGLQJPP(1 %6, $QQH=$QRUPDWLYH 1RUPDWLYHUHIHUHQFHVWRLQWHUQDWLRQDOSXEOLFDWLRQVZLWKWKHLUFRUUHVSRQGLQJ (XURSHDQSXEOLFDWLRQV 7KLV(XURSHDQ6WDQGDUGLQFRUSRUDWHVEGDWHGRUXQGDWHGUHIHUHQFHSURYLVLRQVIURPRWKHUSXEOLFDWLRQV 7KHVHQRUPDWLYHUHIHUHQFHVDUHFLWHGDWWKHDSSURSULDWHSODFHVLQWKHWHWDQGWKHSXEOLFDWLRQVDUHOLVWH

32、G KHUHDIWHU)RUGDWHGUHIHUHQFHVVXEVHTXHQWDPHQGPHQWVWRRUUHYLVLRQVRIDQRIWKHVHSXEOLFDWLRQVDSSO WRWKLV(XURSHDQ6WDQGDUGRQOZKHQLQFRUSRUDWHGLQLWEDPHQGPHQWRUUHYLVLRQ)RUXQGDWHGUHIHUHQFHV WKHODWHVWHGLWLRQRIWKHSXEOLFDWLRQUHIHUUHGWRDSSOLHVLQFOXGLQJDPHQGPHQWV 127( :KHQDQLQWHUQDWLRQDOSXEOLFDWLRQKDVEHHQPRGLILHGEFRPP

33、RQPRGLILFDWLRQVLQGLFDWHGEPRGWKHUHOHYDQW(1+ DSSOLHV 3XEOLFDWLRQ HDU 7LWOH (1+ HDU ,(& 6SHFLILFDWLRQIRUIOHLEOHLQVXODWLQJVOHHYLQJ 3DUWHILQLWLRQVDQGJHQHUDOUHTXLUHPHQWV (1 ,(& 3DUW0HWKRGVRIWHVW (1 ,(& &RGHIRUGHVLJQDWLRQRIFRORXUV +6 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | |

34、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body respons

35、ible 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 amendme

36、nts 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 foun

37、d 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 publicati

38、ons should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. 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. Information on standards BSI

39、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.