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TAPPI T 465 sp-16 Static Creasing of paper for Water Vapor Transmission Tests
standard by Technical Association of the Pulp and Paper Industry, 2016
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TAPPI T 465 sp-16 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."