Standard for Polymeric Materials - Industrial Laminates, Filament Wound Tubing, Vulcanized Fibre, and Materials Used In Printed-Wiring Boards

UL Red Line Published Date: January 13, 2017 Last Revision: May 10, 2019

Scope

Summary of Topics s0746e_6_sum.html

This revision was issued to incorporate the following changes:

1. Addition of a Tolerance to the 24-Hour Alternate Flame Conditioning Test Described in Paragraph 4.3

2. Addition of 150° RTI Laminate ANSI Grades to Tables 7.2 and 7.3

3. Revision of Paragraph 10.3.4 to Clarify the Intent of the Exception to Paragraph 10.2.1.3

4. Clarification of Requirements For Additional Adhesive Tests in Paragraphs 17.11.1 and 17.11.2

5. Clarification of the Test Sample Requirements for Conformal Coatings in Paragraph 22.2.1

6. Removal of Figures 22.3 and 22.4 from UL 746E

7. Transfer of Requirements for the Preparation of Test Samples From Paragraph 22.2.2 to Paragraph 22.4.1

8. Clarification of the Sample Requirements in Table 22.1

9. Replace the References to Type FR-4 Material in Various Requirements of UL 746E with References to Type FR-4.0 and/or FR-4.1 Material

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