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Standard 746D, Edition 8

Standard for Polymeric Materials - Fabricated Parts

UL Bulletin
Standard 746D, Edition 8 Edition Date: July 27, 2018 $203.00-$254.00
Summary of Topics m0746a_6_20180727_sum.html

Subject 746A (94, 746B, 746C, 746D, 1692, 1694)

Bulletin Dated: July 27, 2018

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Polymeric Materials:

1. Update on the Activities of the Long-Term Thermal Aging (LTTA) Forum

2. Proposal for Alternate Flame Bar Design for Thickness Below 0.4 mm for UL 94

3. Changing the Calibration of the Flame for UL 94

4. UL 746B: TI Based on IEC 60216 - An Alternative for RTI?

5. Discussion of Status of Proposal for UL 746B Titled Revision of Paragraph 19.14 to Update Default Correlation Time for RTI Determination from 100,000 Hours to 60,000 Hours

6. Revision of Lab Environment Conditions for Comparative Tracking Index (CTI) Tests in UL 746A (PROPOSAL)

7. Simplify the RTI Testing Requirement During Addition/Deletion of Colorants (UL 746A)

8. Accelerated Heat Aging Evaluation by Thermal Analytical Tools in Accordance with IEC TS 60216-7-1 (746B)

9. UL 746C: Consideration of Hygroscopic Materials in UV Light Exposure and Water Immersion Test (PROPOSAL)

10. Revision of Paragraph 10.2.6 of UL 746D With Respect to Relative Thermal Index (RTI) Assignment for Recycled Plastics with Consistent Identification (PROPOSAL)

11. Discussion of "All Color” Testing for the Comparative Tracking Index (CTI) and Proof Tracking Index (PTI) Tests

12. Historical Information on UL Standards Documents

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