12 Questions
What was the most widely used plastic in packaging from the late 1940s onwards?
Polyethylene
Which of the following is a common type of rigid plastic packaging used for food containers?
Butter tubs
In what departments are large rigid containers commonly used at grocers and retailers?
Bakery, deli, seafood, and pharmacy departments
Why is plastic film necessary for packaging red meat?
To allow oxygen to enter
Which of the following materials can plastic film be combined with?
Aluminum and paper
When were the first plastics derived from coal, oil, and natural gas?
In the 19th century
Which plastic resin is commonly used for bottles for milk, water, juice, cosmetics, and household cleaners?
High Density Polyethylene (HDPE)
Which plastic resin is typically used for squeezable bottles like honey and mustard containers?
Polypropylene (PP)
What type of plastic is often used for containers of yogurt, margarine, takeout meals, and deli foods?
Polypropylene (PP)
Which plastic resin is commonly used for food service items like cups, plates, bowls, and cutlery?
Polystyrene
What are retortable pouches and trays considered as alternatives to in food packaging?
Metal cans
What is the oldest edible film used to coat produce like apples for appearance and improved keeping quality?
Wax
Explore the history of plastic containers, from their origins in natural raw materials to the development of polyethylene in the 20th century. Learn about the various types of plastic packaging used today.
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