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Tyvek Mailers AQL Policy

Use these quality criteria alongside the AQL quality inspection guide to determine the severity of defects present in a given lot.

Product dimensions Optimum Minor Major Critical
Product dimensions
+/- 1/8" +/- 1/4" +/- 1/2" +/- 1" or more
Print-to-cut registration
On +/- 1/32" +/- 1/16" +/- 1/8"
Glueing Optimum Minor Major Critical
Adhesive size
Consistent with proof sheet – – –
Printing Optimum Minor Major Critical
Print plate registration
Within 1/16” print to print " Within 1/8” print to print Within 1/4” print to print Within 1/2” print to print
Trapping
1/8" 1/4" 3/8" > 3/8"
Ink color accuracy
2.0 Delta E 2.5 Delta E 3.0 Delta E 3.5 Delta E