Packaging and Label Design Packaging & Labeling 4 — Questions and Answers
Question 1: Which label adhesive technology is best suited for packaging that will be stored in a freezer at -20°F?
- Standard permanent acrylic adhesive
- All-temperature or freezer-grade adhesive (Correct answer)
- Removable adhesive
- Hot-melt rubber-based adhesive
Correct answer: All-temperature or freezer-grade adhesive
Freezer-grade adhesives are specially formulated to maintain bond strength and prevent label lifting even at very low temperatures and under condensation conditions.
Question 2: A brand decides to use 'post-consumer recycled' (PCR) content in its packaging. What does PCR specifically mean?
- Material collected from factory floor waste before it reaches consumers
- Material recovered from products that consumers have used and discarded (Correct answer)
- Packaging that is certified compostable by consumers
- A packaging material that requires no sorting by consumers
Correct answer: Material recovered from products that consumers have used and discarded
Post-consumer recycled (PCR) content is material that has been used by end consumers, collected through recycling programs, processed, and converted back into packaging material.
Question 3: What is a 'knockback' in packaging label printing?
- A rejected proof returned to the designer
- Reducing the opacity of a background color so that text printed over it remains legible (Correct answer)
- Printing white ink over a dark substrate before applying color
- A penalty fee from a printer for incorrect file setup
Correct answer: Reducing the opacity of a background color so that text printed over it remains legible
A knockback (or tint knockback) reduces a background color's density in an area so that text or graphic elements placed on top have sufficient contrast and readability.
Question 4: Under US law, which product category requires country of origin labeling (COOL) on its retail packaging?
- Breakfast cereals and pasta
- Fresh muscle cuts of beef, pork, and lamb (Correct answer)
- Packaged snack foods and chips
- Canned soups and broths
Correct answer: Fresh muscle cuts of beef, pork, and lamb
USDA mandatory Country of Origin Labeling (COOL) applies to fresh and frozen muscle cut meats (beef, pork, lamb, goat, chicken), wild and farm-raised fish, and fresh fruits and vegetables.
Question 5: What is the primary purpose of 'modified atmosphere packaging' (MAP)?
- To create a vacuum seal to reduce package size
- To alter the gas composition inside a package to extend product shelf life (Correct answer)
- To add oxygen absorbers to the outside of the packaging film
- To apply antimicrobial coatings to the inner package surface
Correct answer: To alter the gas composition inside a package to extend product shelf life
MAP replaces the air inside a package with a controlled mixture of gases (typically nitrogen, carbon dioxide, and sometimes oxygen) to slow spoilage and extend shelf life.
Question 6: In the context of package engineering, what does 'ISTA' stand for, and what does it test?
- International Safe Transport Association; it certifies that packages can withstand distribution hazards (Correct answer)
- International Sustainable Trade Alliance; it audits eco-labeling claims
- Integrated Shelf Tracking Analytics; it measures retail scan rates
- Industrial Standard Testing Authority; it validates barcode readability
Correct answer: International Safe Transport Association; it certifies that packages can withstand distribution hazards
ISTA (International Safe Transit Association) develops protocols to test whether packaged products can survive the hazards of the distribution environment, including vibration, shock, and compression.
Question 7: Which color model is used for packaging artwork files sent to a commercial printer?
- RGB (Red, Green, Blue)
- HSL (Hue, Saturation, Lightness)
- CMYK (Cyan, Magenta, Yellow, Black) (Correct answer)
- LAB (Lightness, A-channel, B-channel)
Correct answer: CMYK (Cyan, Magenta, Yellow, Black)
Commercial printing uses the CMYK subtractive color model, so artwork files must be in CMYK to accurately reproduce colors on press; RGB files can shift unpredictably when converted.
Packaging and Label Design Packaging & Labeling 4
Which label adhesive technology is best suited for packaging that will be stored in a freezer at -20°F?