UL-746A-BULLETINS-2003.pdf
《UL-746A-BULLETINS-2003.pdf》由会员分享,可在线阅读,更多相关《UL-746A-BULLETINS-2003.pdf(42页珍藏版)》请在三一文库上搜索。
1、Subjects 746(746A, 746B, 746C, 746D, 94, 1694) (In reply, refer to Subject 746) 1285 Walt Whitman Road Melville New York 11747-0381 August 8, 2003 TO:Standards Technical Panel (STP) for Polymeric Materials Subscribers to ULs Standards Service for Polymeric Materials Short Term Property Evaluations,
2、UL 746A, Polymeric Materials Long Term Property Evaluations, UL 746B, Polymeric Materials Use in Electrical Equipment Evaluations, UL 746C, Polymeric Materials Fabricated Parts, UL 746D, Tests for Flammability of Plastic Materials, UL 94, and Tests for Flammability of Small Polymeric Component Mater
3、ials UL 1694 Other Interested Parties SUBJECT:Report of the Meeting of the Standards Technical Panel of UL for Polymeric Materials; Request for Comments on the Proposed Requirements for the Standards for Polymeric Materials - Short Term Property Evaluations, UL 746A; Polymeric Materials Use in Elect
4、rical Equipment Evaluations, UL 746C; Polymeric Materials - Fabricated Parts, UL 746D; Tests for Flammability of Plastic Materials for Parts in Devices and Appliances, UL 94; Tests for Flammability of Small Polymeric Component Materials, UL 1694; PROPOSED EFFECTIVE DATES The following topics were di
5、scussed at the meeting: SUMMARY OF TOPICS This bulletin contains descriptions of the outcome of the May 8, 2003 meeting of the 746 STP. This bulletin contains a wide assortment of proposals for UL 746A, UL 746C, UL 746D, UL 94, and UL 1694, with most of them being editorial in nature. A detailed lis
6、t of discussion topics is shown below. 1) Harmonization Activities in ASTM D.09 and D.20, IEC TC15, TC61 and TC89, and ISO TC61 2) Revision of Table 8.1 in UL 746A and 19.1 in UL 746B 3) Requirements for Reuse of Plastics - UL 746D 4) 42 Volt Automotive Battery Applications Copyright Underwriters La
7、boratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd Not for Resale, 09/11/2006 03:33:42 MDTNo reproduction or networking permitted without license from IHS -,-,- 5) Minimum Thickness Issues for RTIs - 746B and 746C 6) Density Variations 7)
8、 Clarifi cation of VTM Tests in UL 94 8) Clarifi cation of End-Product Flammability Tests in UL 746C 9) Guidelines for IR, TGA, and DSC Evaluations in UL 746A 10) Mandatory/Permissive Language in UL 94 11) Consideration of Revision Cycles 12) Consideration of Revision to Examples in Figure 8.1 of UL
9、 746C 13) Alignment of Mechanical Property Tests in UL 746B and UL 746C 14) Editorial Revisions for UL 1694 15) Editorial Revisions for UL 746A 16) Editorial Revisions for UL 746C 17) Editorial Revisions for UL 746D 18) DMA as a Method For Evaluating Performance At Temperature 19) Additional Ratings
10、 on Plastics Recognition Cards 20) Creation of an Insulating Systems Database 21) Elimination of Categories PHDL2 and QMFZ8 22) Testing Required for Additional Manufacturing Locations 23) IQ Database for Plastics and Food Contact Plastics 24) Reminder that UL 746C Revisions Become Effective June 1,
11、2004 25) UL 94 Tests Not Applicable To Building Materials 26) Pre-Selection Tests For Use In Switch Evaluation Program 27) Restricted Substances A meeting of the Standards Technical Panel of UL for Plastic Materials was held on May 8, 2003, at the Rosen Centre Hotel in Orlando, Florida. The purpose
12、of the meeting was to discuss topics of concern to the plastics industry as outlined in the summary of topics. AUGUST 8, 2003SUBJECT 746-2- Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd Not for Resale, 09/11/
13、2006 03:33:42 MDTNo reproduction or networking permitted without license from IHS -,-,- INSTRUCTIONS STP Members: If you are a voting member of the STP, complete the attached ballot in Appendix with your vote on the standard or proposals. Please note that all negative ballots must be accompanied by
14、supporting written reasons and, where possible, proposals for a solution to the problem raised. Impact statements and effective date information are not subject to letter ballot. Therefore, comments regarding impact statements and effective dates may be made and should be sent to the STP Secretary s
15、eparate from the letter ballot. Subscribers and other interested parties: If you are a subscriber or other interested party, you are requested to send comments on the proposed requirements, impact statements, and proposed effective dates to the STP Secretary. The STP member ballot should not be used
16、 to submit your comments. Comments should be made in writing and may be sent by fax to (631) 439-6021 or by mail to the attention of Raymond M. Suga at ULs Melville office. Comments may also be sent via E-mail to Raymond.M.S. Please reference all correspondence to Subject 746. Note all comments rece
17、ived are public and may be circulated to others. If you respond by fax or E-mail, please include your full name and company name and address to ensure a reply. STP BALLOTS AND ALL COMMENTS DUE: October 6, 2003 Proposed requirements are included in Appendix A and Appendix B of this meeting report for
18、 your review and comment. These include proposed requirements for UL UL 746A, UL 746C, UL 746D, Polymeric Materials - Molded Parts, UL 94, Tests for Flammability of Plastic Materials for Parts in Devices and Appliances, and UL 1694. Attached as Appendix C for your review and comment are the impact s
19、tatements and proposed effective dates. Attached as Appendix D is the STP Roster. Attached as Appendix E are the STP ballot instructions and ballot. Attached as Appendix F is an Application to serve on the new Working Groups. Attached as Appendix G is a list of those who attended the meeting. Questi
20、ons regarding interpretation of requirements should be directed to the responsible UL Staff. Please see Appendix H of this bulletin regarding designated responsibility for the subject product categories. Please note that proposed requirements are of a tentative and early nature and are for review an
21、d comment only. Current requirements are to be used to judge a product until these requirements are published in fi nal form. * * * * * * The following report is not intended to be a verbatim transcript of the discussion at the meeting, but is intended to record the signifi cant features of those di
22、scussions. Unless specifi cally requested to do so, UL will not acknowledge comments indicating concurrence with these proposals. AUGUST 8, 2003SUBJECT 746-3- Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd Not
23、 for Resale, 09/11/2006 03:33:42 MDTNo reproduction or networking permitted without license from IHS -,-,- UNDERWRITERS LABORATORIES INC. RAYMOND M. SUGA (Ext. 22593) Secretary for STP 796 Lead Engineering Associate Standards Department 1285 Walt Whitman Road, Melville, NY 11747 Phone: (631) 271-620
24、0 Fax: (631) 439-6021 E-mail: Raymond.M.S http:/ REVIEWED BY: GEORGE J. FECHTMANN (Ext. 22858) Chair for STP 796 Underwriters Laboratories Inc. 1285 Walt Whitman Road, Melville, NY 11747 Phone: (631) 271-6200 Fax: (631) 439-6048 E-mail: George.J.F Copyright 2003 Underwriters Laboratories Inc. SR:LS
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- UL 746 BULLETINS 2003
链接地址:https://www.31doc.com/p-3802286.html