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GCSE Product Design Plastics (AQA Specification)
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GCSE Product Design Plastics (AQA Specification)
- • be able to identify common thermoplastics i.e. high impact polystyrene, expanded polystyrene, acrylic, acetate, HDPE, PVC, PET; • be able to identify common thermosetting plastics i.e. GRP, Epoxy resin, UF, MF; • understand the difference between thermoplastics and thermosetting plastics; • understand the ways in which plastics can be formed, especially with regard to consumer products, i.e. vacuum forming, injection moulding, blow moulding, line bending, compression moulding, extrusion; • understand that most plastics are synthetic and that the composition can be adjusted to create different properties for specific purposes e.g. increase rigidity, reduce weight, insulation; • understand the stock forms for plastic materials i.e. sheet, rod, powder, granules, foam; • have a basic understanding of the source of plastics and the primary processes involved in conversion to workable materials.
Stock forms
- Sheet
- Granules
- Rod/tube
- powder
- Foam
- Liquids
- Pellets
- Film
- Extruded mouldings (complex shapes)
Thermplastics
- Recyclable
- Bendy
- Acylic
- ABS
- Polystyrene
- HIPS
- Polythene
- Resistant to corrosion and decay
- For scratches use abrasive polish and buff
- Recycled (+)
- Cleaned, shredded and melted
- Sorted
Thermosetting
- Non-recyclable
- Ridgid
- Undergo Chemical change
- Resists heat and fire
- Melamine-formaldehyde
- polyester resin
- Epoxy resin
- Urea-formaldehyde
- Not recyclable (-)
- Landfills
- Years to degarde
Sustainability and Environmental
- Crude oil (-)
- Finite resourse
- Refined
- Production required energy
- Reusing (+)
- Milk/Vegatable crates
- Carrier bags
- Printer cartridges
- Refilled
- Biodegradeable
- Plant extract plastics
- Crude oil (-)
Information
- Description
- Basic outline of plastics related to the AQA Product Design Specification. (Not including processes.
- Created by
- T Andrews
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