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Write A Short Note About Blow Molding ? |
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Answer» Blow molding is very much like COMPRESSION molding because the blow mold GENERALLY closes on a hollow shape that has been deposited in between the halves of the mold. AIR or gas pressure is introduced at the CENTER. This internal pressure CAUSES a flow of the heated material in to intimate contact with the relatively cold mold sections. Here the plastic material solidifies and is subsequently ejected. Blow molding is very much like compression molding because the blow mold generally closes on a hollow shape that has been deposited in between the halves of the mold. Air or gas pressure is introduced at the center. This internal pressure causes a flow of the heated material in to intimate contact with the relatively cold mold sections. Here the plastic material solidifies and is subsequently ejected. |
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