Injection Moulding 0.0 / 5 ? Design & Technology: Resistant MaterialsProduction ProcessesGCSEAQA Created by: Mr_MackintoastCreated on: 31-03-17 18:40 What are typical materials used in injection moulding? Typical Materials used in injection moulding are polystyrene, polypropylene and nylon. 1 of 5 What is step 1 of injection moulding? Step 1- Plastic powder or granuals are fed from the hopper into a hollow steel barrel 2 of 5 What is step 2 of injection moulding? Step 2- The heaters melt the plastic as the screw moves it along towards the mould 3 of 5 What is step 3 of injection moulding? Step 3- Once enough melted plastic has been collected, the screw forces the plastic into the mould. 4 of 5 What is step 4 of injection moulding? Step 4- Pressure is maintained on the mould until it has cooled down enough to be opened 5 of 5
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