1.1 This test method determines the susceptibility of threaded plastic closures to failure due to environmental stress cracking (ESC).1.2 Threaded plastic closures in use may contact agents that appreciably reduce the stress at which cracks form
ASTM
Standard Test Method for Environmental Stress Crack Resistance (ESCR) of Threaded Plastic Closures
STD-50055
1995
2003-07-10
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