Card 221
Question
What is a compound known as a "Forever Chemical" classified as?
Answer
PFAS (Polyfluoro Alkyl Subtances), e.g teflon
Food Packaging
Discover Food Packaging: 308 flashcards with questions and answers.
- Subject
- Sciences / Chemistry
- Language of creation
- English
308 flashcards
No ratings yet
0 views
Add to my sets
Sign in to add this set to your collection. You will return here afterwards.
Cards in this set
Card 222
Question
What are 3 modes of food packaging failure?
Answer
Pinholes, cracks, vacuum failure
Card 223
Question
Worldwide, what is the most widely used packaging material for processed foods?
Answer
Plastic; LDPE and HDPE
Card 224
Question
What phenomenon causes polymer permeability to increase disproportionately at higher gas pressures?
Answer
Plasticization
Card 225
Question
What does the acronym PCB stand for?
Answer
Polychlorinated biphenyls
Card 226
Question
Why are polyester films often coated with PVDC or polyolefin before use as a food packaging material?
Answer
Polyester alone is not heat sealable
Card 227
Question
What materials are used in a retortable pouch?
Answer
Polyester and/or oriented polypropylene (outer)/aluminum foil/Polypropylene
Card 228
Question
What is the most commonly used polymer in the food industry?
Answer
Polyethylene
Card 229
Question
What does the recycling code “PET” stand for?
Answer
Polyethylene terephthalate.
Card 230
Question
What sustainability-driven packaging innovation aims to replace petroleum-based plastics using microbial synthesis?
Answer
Polyhydroxyalkanoates (PHAs)
Card 231
Question
What does PLA stand for in food packaging?
Answer
Polylactic Acid
Card 232
Question
Metal cans are coated with either tin or enamel. What coating should be used for high surface bearing products such as meats, fish, and beans?
Answer
Polymeric/ Enamel coatings; epoxy-phenolic, or other synthetic resins
Card 233
Question
In packaging ready-to-cook meats, what type of film should be used if the product is to be heat-shrink?
Answer
Polyolefin
Card 234
Question
The heat-seal layer in retortable foil pouches, such as meals ready-to-eat (MRE's) is what plastic material?
Answer
Polypropylene
Card 235
Question
What does PP stand for related to packaging?
Answer
Polypropylene
Card 236
Question
Name the plastic used in McDonalds’ clamshells before the company stopped using them.
Answer
Polystyrene
Card 237
Question
What does PS stand for related to packaging?
Answer
Polystyrene
Card 238
Question
State the full name that corresponds w/the recycling #6 for recyclable polymers.
Answer
Polystyrene
Card 239
Question
What does PVC stand for?
Answer
Polyvinyl chloride
Card 240
Question
State the full name that corresponds w/the recycling #3 for recyclable polymers.
Answer
Polyvinyl chloride
How to use this set
Read the preview and check whether the content and answers suit your learning goal. You can add the public set to your sets to study it. Your account shows the available actions.