UL 94-2020 Tests for Flammability of Plastic Materials for Parts in Devices and .pdf

UL 94 STANDARD FOR SAFETY Tests for Flammability of Plastic Materials for Parts in Devices and Appliances UL COPYRIGHTED MATERIAL -NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INC . june27,2020-ul94 UL Standard for Safety for Tests for Flammability of Plastic Materials for Parts in Devices and Appliances , UL 94 Sixth Edition ,Dated March 28 ,2013 Summary of Topics This revision ANSI /UL94 dated June 27 ,2020 was issued to include the following changes : Clarification of Requirements in Sections 8 and 11 ;8.1.2 ,11.1.1 Clarification for HB Test in Paragraph 7.7.1 Final Classification when Testing UL 94V or 5V ;8.1.1 ,9.1.1 ,11.1.2 ,12.1.3 Foam Material Testing ( HBF/HF-1/HF-2):Inclusion of Density Value in Section 12 ;12 .1.2A Text that has been changed in any manner or impacted by UL's electronic publishing system is marked with a vertical line in the margin The new and revised requirements are substantially in accordance with Proposal (s)onthis subject dated August 30 ,2019 ,March 27 ,2020 ,January 10 ,2020 ,April 10 ,2020 ,and May 1 ,2020 . All rights reserved .No part of this publication may be reproduced ,stored in a retriev...