Types of Plastics

What is the largest market for plastics today?

• Baby toys

• Disposable crockery and utensils

• Packaging materials

• Garbage bags

Which are the correct properties of plastic?

• Corrosive, waterproof, lightweight, cheap

• Corrosive, waterproof, lightweight, expensive

• Unreactive, waterproof, lightweight, cheap

• Unreactive, waterproof, lightweight, expensive

Which of the following is not a plastic?

• Printer ink

• Nylon

• Styrofoam

• Vinyl flooring

Plastics can be divided into 2 main categories: Thermoset plastics and Thermoplastics. One reason thermoplastics are better for the environment is that....

• They are naturally found in nature

• They are completely non-toxic

• They are made from biodegradable elements

• They can easily be melted, remolded and recycled

What do these symbols indicate?

• The number of times a plastic has already been recycled

• The number of times a plastic can be recycled in the future

• The type of plastic used

• The country where the plastic was made

Where can you find these symbols?

• On various plastic containers and packaging

• Only on recyclable plastic items

• On items made from recycled plastic

• On recycling bins

Although PET 1 plastic bottles are 100% recyclable, only about ____ % are actually recycled.

• 2

• 7

• 30

• 45

Disposable plastic water bottles fall into the first category. This is the easiest type of plastic to recycle, but...

• It is permeable to carbon dioxide

• It readily reacts with most acids

• It is difficult to shape after recycling

• It can be harmful to health if reused or drinks are left in it for a long time

Which plastic numbers are not easily recyclable?

• 1, 5

• 4, 2

• 3, 6

• None, all plastics can be recycled

Polyester is a type of plastic which is often combined with cotton to make clothing. Advantages of this are that...

• It makes the fabric fire-resistant

• It gives the fabric a softer feel

• It makes the fabric more wrinkle- and tear-resistant

• it makes it easier to dye the fabric