polymer manufacturing processes

Question 1

injection moulding

Answer 1

injecting molten material into a mould, cooling it the ejection

Question 2

blow moulding

Answer 2

forming hollow plastic parts by injecting a tube of plastic into a mould then expanding with air filling mould

Question 3

rotational moulding

Answer 3

plastic injected into a heated mould then rotated making material stick to walls

Question 4

vacuum forming

Answer 4

sheet f plastic heated then pulled around a single mould using suction then cooled

Question 5

extrusion molding

Answer 5

heated material is forced through a die which creates a shape of tube based on dies shape