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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 181B ISBN 0-7629-1093-3 Closure Systems for Use With Flexible Air Ducts and Air Connectors Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwe
2、stern Div./7838506130 Not for Resale, 08/29/2006 11:17:32 MDTNo reproduction or networking permitted without license from IHS -,-,- UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Copyright Underwriters Laboratories Inc. Provided by IHS unde
3、r license with ULLicensee=Army Northwestern Div./7838506130 Not for Resale, 08/29/2006 11:17:32 MDTNo reproduction or networking permitted without license from IHS -,-,- UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Underwriters Laboratori
4、es Inc. (UL) 333 Pfi ngsten Road Northbrook, IL 60062-2096 UL Standard for Safety for Closure Systems for Use With Flexible Air Ducts and Air Connectors, UL 181B Second Edition, Dated May 20, 2005 Summary of Topics This new edition of ANSI/UL 181B includes wording, organizational, miscellaneous edit
5、orial revisions, and the following changes in requirements: 1. Deletion of all requirements that pertain to certifi cation issues. 2. Clarifi cation of sample selection practices for the Surface Burning Characteristics Tests in Part I Pressure-Sensitive Tapes and in Part II Mastic Closure Systems. 3
6、. Revisions to the Temperature Tests in Part I Pressure-Sensitive Tapes and in Part II Mastic Closure Systems. 4. Revisions to the Peal Adhesion Test on Stainless Steel and to the Peal Adhesion Test on PVC coated Fabric in Part II Mastic Closure Systems. 5. Revisions to the Mechanical Strength Test
7、in Part III Mechanical Fasteners for Use With Flexible Air Ducts. 6. Revisions to several conversions to refl ect a statistically signifi cant degree of accuracy for all metric measurements. The requirements are substantially in accordance with ULs Proposal(s) on this subject dated December 24, 2004
8、 and April 18, 2005. As indicated on the title page (page 1), this UL Standard for Safety is an American National Standard. Attention is directed to the note on the title page of this Standard outlining the procedures to be followed to retain the approved text of this ANSI/UL Standard. The UL Forewo
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13、er license with ULLicensee=Army Northwestern Div./7838506130 Not for Resale, 08/29/2006 11:17:32 MDTNo reproduction or networking permitted without license from IHS -,-,- UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Revisions of UL Standa
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27、lly requests that the product be judged under the current requirements. However, if MAY 20, 2005 UL 181Btr2 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130 Not for Resale, 08/29/2006 11:17:32 MDTNo reproduction or networking pe
28、rmitted without license from IHS -,-,- UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL the applicant elects this option, it should be noted that compliance with all the requirements in this Standard will be required as a condition of continu
29、ed Listing and Follow-Up Services after the effective date, and understanding of this should be signifi ed in writing. Copyright 2005 Underwriters Laboratories Inc. This Standard consists of pages dated as shown in the following checklist: PageDate 1-26. . . . . . . . . . . . . . . . . . . . . . . .
30、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . May 20, 2005 MAY 20, 2005 UL 181Btr3 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130 Not for Resale, 08/29/2006 11:17:32
31、 MDTNo reproduction or networking permitted without license from IHS -,-,- UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 20, 2005 UL 181Btr4 No Text on This Page Copyright Underwriters Laboratories Inc. Provided by IHS under license wi
32、th ULLicensee=Army Northwestern Div./7838506130 Not for Resale, 08/29/2006 11:17:32 MDTNo reproduction or networking permitted without license from IHS -,-,- UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 20, 2005 1 UL 181B Standard for
33、 Closure Systems for Use With Flexible Air Ducts and Air Connectors First Edition October, 1995 Second Edition May 20, 2005 The most recent designation of ANSI/UL 181B as an American National Standard (ANSI) occurred on May 13, 2005. This ANSI/UL Standard for Safety, which consists of the Second edi
34、tionis under continuous maintenance, whereby each revision is ANSI approved upon publication. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development Sy
35、stem (CSDS) at http:/. An effective date included as a note immediately following certain requirements is one established by Underwriters Laboratories Inc. Revisions of this Standard will be made by issuing revised or additional pages bearing their date of issue. A UL Standard is current only if it
36、incorporates the most recently adopted revisions, all of which are itemized on the transmittal notice that accompanies the latest set of revised requirements. ISBN 0-7629-1093-3 COPYRIGHT 1995, 2005 UNDERWRITERS LABORATORIES INC. ANSI/UL 181B-2005 Copyright Underwriters Laboratories Inc. Provided by
37、 IHS under license with ULLicensee=Army Northwestern Div./7838506130 Not for Resale, 08/29/2006 11:17:32 MDTNo reproduction or networking permitted without license from IHS -,-,- UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 20, 2005UL
38、 181B2 No Text on This Page Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130 Not for Resale, 08/29/2006 11:17:32 MDTNo reproduction or networking permitted without license from IHS -,-,- UL COPYRIGHTED MATERIAL NOT AUTHORIZED FO
39、R FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 2 Glossary . . . . . . . . . . . . . . . . .
40、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 3 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 4 Units of Measur
41、ement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 5 Undated References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 6 Referen
42、ced standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 PART I PRESSURE-SENSITIVE TAPES CONSTRUCTION 7 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43、. . . . . . . . . . . . . . . . . . . . . . . . . . . .9 PERFORMANCE 8 Tensile Strength Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 9 Peel Adhesion Test at 180 Degree Angle . . . . . . . . . . . . . . . . .
44、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 10 Shear Adhesion Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 11 Surface Burning Characteristics Test . . . . . . . . . . . . . . . . . . . . . .
45、 . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 12 Mold Growth and Humidity Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 13 Temperature Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
46、. . . . . . . . . . . . . . . . . . . . . . . . . . . .12 MARKING 14 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 PART II MASTIC CLOSURE SYSTEMS CONSTRUCTION 15 Materials . . . . . .
47、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 16 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
48、.13 PERFORMANCE 17 Peel Adhesion Test on Stainless Steel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 18 Peel Adhesion Test on PVC Coated Fabric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 19 Freeze/Thaw Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 20 Surface Bur