Nonwovens. Test methods - Coverstock wetback (simulated urine)
Nonwovens. Test methods - Coverstock wetback (simulated urine)
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1 Scope This document specifies a test method for the determination of the ability of diaper coverstock to resist the transport back onto the skin of a liquid which has already penetrated the coverstock. This test corresponds with repeated liquid strike-through time according to NWSP 070.7. This test method is intended for quality control and is designed for comparison of wetback for different nonwoven coverstocks and treatments. It does not simulate in use conditions for finished products.
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