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What does it mean when a product is UL listed?
Underwriters Laboratories (UL) is an independent, not-for-profit organization chartered "to establish, maintain, and operate laboratories for the investigation of devices, systems, and materials with respect to hazards affecting life and property." "Listing", the most widely recognized of UL's services, means that samples of a product have been evaluated, and they comply with UL Standards. Products tested and recognized by UL are listed in a Component Directory. Plastic Materials can be evaluated per the following UL Test Methods:
UL746A Polymeric Materials - Short Term Property Evaluations
UL746B Polymeric Materials - Long Term Property Evaluations
UL746C Polymeric Materials - Use in Electrical Equipment Evaluations
UL94 Test for Flammability of Plastic Materials
These tests are described in detail in Plastics Recognized Component Directory - Polymeric Materials, Processes and Systems, available from UL.
For further information, contact Underwriters Laboratories, 333 Pfingsten Road, Northbrook, IL 60062-2096, by phone at (847) 282-8800, or visit them at http://www.ul.com on the Internet.
Title: What does it mean when a product is UL listed?
Description: An overview of UL testing
Last Edited: 9/19/2013
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