Blow Moulding 0.0 / 5 ? Design & Technology: Resistant MaterialsProduction ProcessesGCSEAQA Created by: Mr_MackintoastCreated on: 01-06-17 16:17 What are common materials used for blow moulding? Common materials used for blow moulding are PVC, Polythene, Polyprothene 1 of 6 What process is blow moulding similar to? Blow moulding is similar to the extrusion process 2 of 6 What is used instead of a cooling chamber (from extrusion process)? An air supply and a split mould are used instead of the cooling chamber from the extrusion process 3 of 6 What is step 1 of blow moulding? Step 1- Air is blown into an extruded section of the tube and the split mould closes 4 of 6 What is step 2 of blow moulding? Step 2- Air forces plastic to the side of the moulds 5 of 6 What is step 3 of blow moulding? Step 3- The mould is cooled and then opened to remove the product 6 of 6
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