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About This Item

 

Full Description

This method describes procedures for evaluating the following properties of envelopes: (1) film thickness of seal, (2) seal, seam, and window patch adhesion, (3) humidity resistance, (4) discoloration and staining of seal, seams, and patch.
 

Document History

  1. TAPPI T 516 cm-23


    Envelope Seal, Seam, and Window Patch Testing

    • Most Recent
  2. TAPPI T 516 cm-11

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    Envelope Seal, Seam, and Window Patch Testing

    • Historical Version
  3. TAPPI T516


    Envelope Seal, Seam, and Window Patch Testing

    • Historical Version