State the method in which a product is blow moulded.
Plastic extruded material is made as a parison and passes through a mould. It connects to an air inlet in the bottom, and the sides of the mould are closed and tightenedHot air is blown into the cavity, forcing the plastic material to the edges of the mouldOnce the process is complete, the mould halves are opened and the product is removedExcess flash is removed, and the process is repeated.
EC
Answered by Ethan C. • Design & Technology tutor
2717 Views
See similar Design & Technology GCSE tutorsRelated Design & Technology GCSE answers
All answers ▸What are the advantages and disadvantages of using cotton fibre in clothing?
Explain two advantages of using pine to make a frame rather than MDF?
Are you able to list for me: two examples of a hardwood, and two examples of a softwood?
A portable space saving football goal has been launched to promote sport and activities for 3 to 5 year old children. Describe the properties of ABS that make it a suitable material for the football goal.