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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, andpatch.
Product Details
- Published:
- 01/01/2011
- Number of Pages:
- 3
- File Size:
- 1 file , 130 KB
