Thursday 3 October 2013

Uses of Plastics

  • Lego- Lego is made out of ABS (acrylonitrile butadiene styrene). The advantages of this is that...
    • It is ideal for the injection moulding process as all pieces are going to be exactly the same
    • Durability (pieces knocking together in the box). As well as children throwing and the pieces about
    • Free of any toxins as it is used for childrens toys which could inflict health problems, although it is restricted to children above the age of 3 due to small hazardous parts.

  • Plumbing Pipes and Guttering- Plastic piping is most commonly produced by PVC (PolyVinyl Chloride. This is because...
    • It can be extruded easily during maufacture
    • It can be easily shaped with the presence of a plasticizer
    • It is cheap to produce therefore cost effective
    • Waterproof allowing for suitable water drainage
    • Low maintenance making it ideal for permenant fixtures


  • Hard Hats- Hard Hats are made out of HDPE (High Density PolyEthylene. The benifits of this is that...
    • HDPE can be used in injection moulding, cheap and efficient with no waste product
    • HDPE is resistant to impact damage
    • Resistant to sharp object.
    • HDPE can spread the impact force over a larger surface area minimalising impact for


     


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