TECHNOLOGICAL MATERIALS AND THEIR ENVIRONMENTAL IMPACT

TECHNOLOGICAL MATERIALS AND THEIR ENVIRONMENTAL IMPACT

1. TECHNICAL MATERIALS

   • RAW material
   • NATURAL material
   • PROCESSED material
     • WOODS
       • Natural : pine, beech, oak, cherry, etc...
         • Wood products : plywood, chipboard, paper, etc...
     • METALS
       • Metals : iron, silver, aluminium, etc...
         • Alloys : brass, bronze, cast iron, etc..
     • PLASTICS
       • Natural : rubber, latex, etc..
         • Processed petroleum materials : PVC, melamine, silicone, etc..
     • TEXTILES
       • Natural : wool, cotton, hemp, etc...
         • Processed materials : lycra, nylon, viscose, etc...
     • CONSTRUCTION MATERIALS
       • Natural : marble, slate, clay, etc...
         • Processed materials : glass, cement, bricks, etc...

2. CHOOSING MATERIALS

   • Sensory properties
     • Colour
       • Feel
         • Texture
           • Brightness
             • Transparency
   • Mechanical properties
     • Hard
       • Tought
         • Elastic
           • Malleable
             • Soft
               • Brittle
                 • Plastic
                   • Ductile
   • Physical properties
     • CONDUCTORS
       • Electrical conductors
         • Thermal conductors
           • Sound conductors
     • INSULATORS
       • Electrical insulators
         • Thermal insulators
           • Sound insulators

3. WOOD

   • Types of wood
     • Softwoods
       • Hardwoods
   • Wood products
     • Playwood
       • Chipboard
         • Paper
           • Crdboard
             • Cork

4. METALS

   • Classifying metals
     • NON-FERROUS METALS
       • FERROUS METALS
         • Iron
           • Steel
             • Cast iron
       • Copper
         • Tin
           • Aluminium
             • Zinc
               • Other non-ferrous metals