Creep precluded when stress is under 3,200 psi.
Have you established any change with time the impact resistance of the material
constituting your vinyl sheet pile products by exposure to out door conditions (sunlight).
If so, what is the rate of change?
Long-term outdoor weathering studies show 60 percent impact retention in high UV climates.
10. Any other information you consider pertinent to these studies.
March 27, 2002 Report to Wade Wright, COE
July 19, 2002 Report to Carl Guggenheimer, COE