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TAPPI T 465 sp-10 Static Creasing of paper for Water Vapor Transmission Tests
standard by Technical Association of the Pulp and Paper Industry, 11/01/2010
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This standard practice is used for the creasing of paper and other thin sheet materials to providereproducibly creased specimens for testing water vapor transmission. It is not applicable to paperboard.This is a standard practice for static creasing; for kinetic creasing see TAPPI T 512 "Creasing of FlexiblePackaging Material Paper Specimens for Testing."
This procedure can be used with water vapor transmission tests TAPPI T 448 "Water vapor transmissionrate of sheet materials at standard temperature and humidity", TAPPI T 464 "Gravimetric determination of water vaportransmission rate of sheet materials at high temperature and humidity," and TAPPI T 523 "Dynamic measurement ofwater vapor transfer through sheet materials."