MATERIALS & PRINT
OTR and WVTR Measure Different Barrier Questions
Name oxygen or water vapour and retain units and conditions before comparing packaging barrier data.
Journal · 349 articles
Packaging notes from the floor
Supplier briefs, material notes and pricing explainers for small brands sourcing custom packaging.
MATERIALS & PRINT
Relative Humidity Inside a Package Can Change Without Adding Water
Use an invented gas/material water balance to distinguish redistribution inside a pack from net water ingress without predicting relative humidity.
MATERIALS & PRINT
Desiccant Sizing Beyond Empty Pouch Volume
Count enclosed materials and moisture ingress over time as well as air volume when defining a desiccant job.
MATERIALS & PRINT
Moving a Peel Grip Straight Up Does Not Necessarily Hold the Peel Angle Constant
Check shared time and spatial references before combining grip and separation-front records; these two undocumented takes cannot define one geometry.
MATERIALS & PRINT
A Cushion Can Reduce One Shock Yet Amplify Motion at Some Vibration Frequencies
Compare invented acceleration ratios at two frequency conditions to distinguish amplification from the largest absolute product response.
MATERIALS & PRINT
Barcode Bar-Width Reduction and Correct Source Data
Keep approved barcode data separate from the process-specific bar-width compensation needed for print.
MATERIALS & PRINT
Two Regular Print Patterns Can Create a New Visible Pattern
Use an abstract 5-and-6-unit alignment example to separate repeated pattern relationships from actual press settings or guaranteed moire.
MATERIALS & PRINT
An Unchanged Artwork Tint Can Print Differently
Use two invented tone-response points to distinguish percentage-point gain from a universal offset or press correction curve.
MATERIALS & PRINT
Paperboard Divider Buckling and Support Conditions
Locate the divider's load path and restraints before applying a board figure or prescribing thicker material.
MATERIALS & PRINT
Pallet Stretch Wrap and Load Restraint
Compare the film's contact and applied state with the complete pallet load rather than relying on layer layout alone.
MATERIALS & PRINT
Packaging Clearance and Repeated Vibration Contact
Treat static clearance and repeated movement as separate questions when a product can reach neighbouring parts.
MATERIALS & PRINT
Cushion Travel Before Bottoming Out
Assess remaining cushion travel from the installed state instead of relying on free-pad thickness or softness.