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Why is it important for an object made of a plastic such as polythene or PVC to go through a fluid phase as it is being produced?
It is important for objects made of plastics like polythene or PVC to go through a fluid phase during production because it allows the material to be easily molded into various shapes. This process enables manufacturers to create complex designs and achieve the desired form of the final product. Additionally, the fluid phase helps in homogenizing the material, improving its mechanical properties and making it suitable for specific applications.
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What charge is on a polythene rod?
A polythene rod can acquire a negative charge when it gains extra electrons through friction with another material.
Is polythene good conductor?
No, polythene is considered an insulator and not a good conductor of electricity. It has high resistance which limits the flow of electric current through it.
Is a sheet of polythene translucent?
Yes, a sheet of polythene is translucent, which means that light can pass through it but objects cannot be seen clearly on the other side.
Which type of radiation can pass easily through polythene sheets?
Alpha radiation cannot easily pass through polythene sheets, while beta and gamma radiation can pass through them. However, beta radiation may be partially absorbed depending on the energy level.
Is polythene an insulator or a conductor?
Polythene is considered an insulator. It has low electrical conductivity, meaning it does not allow electric current to flow easily through it. This property makes it useful for electrical insulation purposes.
Why it is easy to charge polythene by rubbing but not copper?
When you rub plastic, you transfer electrons from one material to the other. ... Because plastic is an insulator, the electrons cannot flow through it so they effectively get stuck there they are static
Why is it important for plastic to go through a fluid phase when being produced?
Plastic needs to go through a fluid phase during production to allow for shaping and molding into different forms. This process enables plastic to be easily manipulated and formed into finished products before solidifying into its final shape.
What charge is on a polythene rod?
A polythene rod can acquire a negative charge when it gains extra electrons through friction with another material.
Will gas eat through plastic?
Yes, certain types of gas can eat through plastic, particularly if it is a reactive or corrosive gas. The speed at which the gas eats through the plastic will depend on factors such as the type of plastic and the concentration and nature of the gas being used. It is important to use plastics that are compatible with the specific gas being stored or transported.
Is polythene opaque?
Sheets of polythene like meat wrappings are obviously transparent. Thicker ayers can be translucent and almost opaque.
Can sperm travel through polythene bags?
No. Technically it is not possible.
Is polythene good conductor?
No, polythene is considered an insulator and not a good conductor of electricity. It has high resistance which limits the flow of electric current through it.
Is a sheet of polythene translucent?
Yes, a sheet of polythene is translucent, which means that light can pass through it but objects cannot be seen clearly on the other side.
How is plastic mined?
Plastic is not mined like natural resources such as metals or minerals. Instead, plastic is typically produced from petroleum-based chemicals through a refining process. These chemicals are then molded into various plastic products through manufacturing processes.
Where can one find plastic molders?
Plastic molds must be constructed with complete customization, with prototypes needing to be produced. This can be done through retailers such as Star Prototype.
Will paint thinner eat through plastic?
Yes, paint thinner can eat through certain types of plastic. It is important to check the compatibility of the paint thinner with the specific type of plastic before using it.
Which type of radiation can pass easily through polythene sheets?
Alpha radiation cannot easily pass through polythene sheets, while beta and gamma radiation can pass through them. However, beta radiation may be partially absorbed depending on the energy level.
