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PLASTICS (properties of plastic (mechanical: malleability, ductility and…
PLASTICS
properties of plastic
mechanical: malleability, ductility and mechanical resistance
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other properties: low density, impermeabilyty
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ecological properties
chemical recycling: we apply chemical procesess to make new materials from the original components of plastics residues
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formation techniques
lamination: worktops, to cover surfaces of kitchen
to form bathtubes, dashboards, shop sings and egg boxes
extrusion : used to form wrapping , linning for electric cables, tubes and pipes
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stone and ceramics
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ceramincs
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physical and chemical properties: it´s soft, porous, resistant to high temperatures and chemicaly inert, it has many diferent colours and it´s abundant in the nature
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glass
properties
- it´s resistant to enviromental conditions and to chemical compounds
- it´s a good termal, electrical and acoustic insulator
- it´s waterproof, smooth and hard, but fragil
shaping techniques
- float glass making: (windows, sheets of plate glass)
- lamination: (safety partitions
- mould blowing (bottles, decanters, test tubes, drinking glasess,..)
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