Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Influence of Polymer Melt Behavior on Flammability (NISTIR 6588)



Thomas J. Ohlemiller, Kathryn M. Butler


As the initial step in a study of the role of polymer melt viscosity in polymer burning behavior, a simpler, non-burning configuration has been examined. Vertical slabs of two types of polypropylene have been subjected to uniform radiative heating on one face. The subsequent melt flow process was monitored by measuring weights, temperatures and flow velocities. A low MW polypropylene flowed freely at temperatures below those for significant degradation whereas a commercial polypropylene of higher MW degraded and gasified extensively. Plans are described for modeling the non-reactive case first.
NIST Interagency/Internal Report (NISTIR) - 6588
Report Number


fire safety, fire research, flammability, melting, polypropylene, experiments


Ohlemiller, T. and Butler, K. (2000), Influence of Polymer Melt Behavior on Flammability (NISTIR 6588), NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed July 17, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created March 1, 2000, Updated November 10, 2018