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Polymers and Polymer Forming and Joining Techniques
Injection, Blow, Compression, Transfer, Rotational Moulding. Extrusion and Thermoforming
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transfer
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compression
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injection
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rotational moulding.
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blow
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Extrusion
Tubes, pipes and film. Polymer pellets are fed into the hopper and then fall into a heated
barrel. A mechanical screw pushes the pellets thr
Co-extrusion
Two extruders are positioned at right angles. Different coloured polymers or polymers
withdifferent properties but similar flow characteris