Contributed by: filbert Thursday, July 28 2005 @ 07:19 AM CST
A reduction in compressive and tensile strengths was also realized due to the change from CFC 11 blown foam." "The new foams were also more susceptible to a phenomenon known as "popcorning", sporadic loss of small pieces of foam at low heating rates, leading to ET Intertank foam loss that ultimately resulted in Orbiter TPS tile damage.
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