- Author
- Underwriters Laboratories, Incorporated
- Title
- Fire Test of Pneumatic Tubing for Flame and Smoke Characteristics.
- Coporate
- Underwriters Labs., Inc., Northbrook, IL
- Report
- UL 1820, March 13, 1989, 16 p.
- Keywords
- flame propagation | test methods | smoke density | ducts | plenums