Advertisements
Advertisements
Question
Explain the difference between thermoplastic and thermosetting plastics.
Solution
There are two types of plastics: Thermosetting plastics and Thermoplastics.
Thermosetting plastic | Thermoplastic |
Thermosetting plastic cannot be bent easily. It may break when forced to bend. | Thermoplastic can be bent easily. |
Thermosetting plastic cannot be softened by heating. Thus, it cannot be reshaped once moulded. | Thermoplastic can be softened easily by heating. Thus, it can be reshaped. |
APPEARS IN
RELATED QUESTIONS
Explain why plastic containers are favoured for storing food.
Give examples to show that plastics are non-corrosive in nature.
Describe an activity to show that thermoplastic is a poor conductor of electricity.
Motor cars are coated with ____________.
Who is my partner?
'A' column | 'B' column |
a. Lead glass | i. Plates |
b. Bakelite | ii. Mattresses |
c. Thermocol | iii. Electric bulb |
d. Optic glass | iv. Electric switch |
e. Polypropylene | v. Lens |
Unscramble the jumbled words given below, related to synthetic material.
Laspict
A survey showed that one-time-use plastic items were among the top 10 plastic items found in garbage washed up from oceans. Can this be true? Explain how.
Assertion (A): PVC is an unsafe plastic.
Reason (R): Burning PVC releases dioxins, a most toxic chemical.
Answer the following by rearranging the jumbled letters :
Plastics made of _______ are represented by resin code #6.
sytlopynere
Give some examples of one-time-use plastic.