Plastic Manufacturing Flashcards
What is the primary raw material used in plastic manufacturing?
Petrochemicals
True or False: Plastics can be recycled multiple times.
True
What process involves heating plastic until it becomes pliable and then shaping it?
Thermoforming
Fill in the blank: The two main types of plastics are __________ and thermosetting plastics.
thermoplastic
Which plastic is known for its high impact resistance and is commonly used for making containers?
Polypropylene (PP)
Identify the term: The process of creating a plastic product by injecting molten plastic into a mold.
Injection molding
What is the main advantage of using plastics in manufacturing?
Lightweight and versatile
True or False: Thermosetting plastics can be remolded once they have been set.
False
What is the name of the plastic that is often used in 3D printing?
PLA (Polylactic Acid)
Which additive is commonly used to improve the UV resistance of plastics?
UV stabilizers
What is the process called that involves the continuous flow of plastic through a die to create sheets or films?
Extrusion
Fill in the blank: __________ is a common thermoplastic used for making water bottles.
PET (Polyethylene Terephthalate)
Which of the following is a characteristic of biodegradable plastics? (a) Non-renewable (b) Decomposes naturally (c) High melting point
b) Decomposes naturally
What is the purpose of using fillers in plastic manufacturing?
To reduce cost and improve properties
What type of plastic is commonly used for electrical insulation?
PVC (Polyvinyl Chloride)
True or False: All plastics are recyclable.
False
What is the term for the ability of a material to be stretched and return to its original shape?
Elasticity
Name one environmental concern associated with plastic manufacturing.
Pollution and waste accumulation
Fill in the blank: __________ is a process where plastic is melted and forced through a die to create a specific shape.
Extrusion
What is the main function of plasticizers in plastics?
To increase flexibility
Which plastic is known for its clarity and is often used in optical applications?
Polycarbonate
What does the term ‘thermoplastic’ refer to?
Plastics that can be heated and reshaped multiple times
True or False: All plastics are derived from natural sources.
False
What is the environmental impact of microplastics?
They can pollute oceans and harm wildlife.
Which method is used to test the strength of a plastic material?
Tensile testing
What is the significance of the recycling symbol on plastic products?
It indicates the type of plastic and its recyclability.
Name one common use of polystyrene.
Packaging materials or insulation.
