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DYNAMIC MEASUREMENT OF WATER VAPOR TRANSFER THROUGH SHEET MATERIALS

Dynamic tests, Mass transfer, Water vapor permeability, Sheets, Paper, Paperboard, Packaging materials

Provider: TAPPI

Price: $35.00
Product Details

  • This method describes a procedure using a closed cell to evaluate rapidly, at any normal or elevated temperature, the water vapor transfer rate (WVTR) of packaging materials in sheet form, especially barrier films of coated paper.
  • This method is not intended for any environmental, FDA , or other regulatory application. Please refer to the specific regulatory section for any such application.
  • When the specimen has only one hydrophobic surface , dynamic test equipment gives accurate conversions to the standard gravimetric test values only if this surface is placed in the dry side of the test cell.
  • The rate of transmission of water vapor through the barrier material during the transient period can be used to evaluate the barrier quality of the material.

It Provides information on:

  • Sampling and test specimens
  • Conditioning
  • Report
  • Keywords

 

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