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What can be the maximum pressure to be given to plastic for blow molding process?

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in Casting-Forming-Welding II by (119k points)
What can be the maximum pressure to be given to plastic for blow molding process?

(a) 700 kPa

(b) 750 kPa

(c) 800 kPa

(d) 850 kPa

I got this question in an interview.

The doubt is from Blow Moulding and Thermoforming in chapter Moulding with Polymers of Casting-Forming-Welding II

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Correct answer is (c) 800 kPa

The explanation is: Air with an extreme amount of pressure, when is needed, it might mean the material is thicker and denser. The amount of pressure that can be provided depends totally on the material. The maximum pressure that can be provided in blow molding process is 800 kPa.

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