UL 969 CRD-2017 UL Standard for Safety Marking and Labeling Systems - Section Paragraph Reference Clause 7 3 1 and Table 7 4 Subject Addition of thermal shock requirements that had.pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUNDERWRITERS LABORATORIES INC. CERTIFICATION REQUIREMENT DECISIONThis Certification Requirement Decision is prepared by UL LLC. It is normative for the applicable ULProduct Certification Program(

2、s); however, it is currently not part of the UL Standard(s) referencedbelow.Product Category (CCN): PGDQ2/8, PGUU2/8 and PGJI2/8Standard Number: UL 969Standard Title: Standard for Marking and Labeling SystemsEdition Date: May 30, 2017Edition Number: 5Section / Paragraph Reference: Clause 6.2.SUPERCE

3、DES PRIOR CERTIFICATION REQUIREMENT DECISION DATED JUNE 30,2017DECISION:Clause 6.2 : Pressure-sensitive labels - Samples are to be applied to cleaned test surfaces as describedbelow. Alternatively, if the manufacturer provides specific application instructions, the manufacturersinstructions shall be

4、 followed. The release liner is to be removed from the construction, and the sampleis to be held by the edges only and placed on the test surface with care to avoid bending and entrapmentof air. To attach the sample uniformly, including edges and corners, a roller is to be rolled back and forthacros

5、s the surface in each direction with manual pressure sufficient to provide uniform and completecontact with the test surface. A smooth-surfaced cylindrical roller (wood, plastic, or hard rubber) about1-1/4 in (31.8 mm) in diameter and 1-1/4 in (31.8 mm) wide may be used.a steel roller 3.25 0.1 inch

6、(802.5 mm) in diameter and 1.75 0.05 inches (45 1 mm) wide with a rubber coating that has a durometerhardness of 80 5 Shore A is to be used. The entire roller shall weigh 4.5 0.1 lbs (2000 50 g).The label should be rolled back and forth in the lengthwise direction. The sample shall be rerolled if it

7、appears that any air is trapped between the label and the surface.RATIONALE FOR DECISION:The revision to Clause 6.2 is intended to clarify all the specifics of the construction of the roller that is usedto apply the label samples to the test panels.No action will be required to add these modificatio

8、ns to the standard.Copyright 2017 UL LLCUL LLC, in performing its functions in accordance with its objectives, does not guarantee or warrant thecorrectness of Certification Requirement Decisions it may issue or that they will be recognized or adoptedby anyone. Certification Requirement Decisions are

9、 the opinion of UL LLC. in practically applying therequirements of the standard. They do not represent formal interpretations of the standard underAmerican National Standards Institute (ANSI) processes. UL LLC shall not be responsible to anyone forthe use of or reliance upon Certification Requiremen

10、t Decisions by anyone. UL LLC shall not incur anyobligation or liability for damages, including consequential damages, arising out of or in connection withthe use or reliance upon Certification Requirement Decisions. The electronic version of the CertificationRequirement Decision is the current version and previously printed copies may be outdated.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULThis document is published as a service to ULs certification customersSTANDARD NUMBER: UL 969 -2-