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DT (PLASTIC MANUFACTURING PROCSESS (Compression Molding, Blow moldings.…

- - - - Examples
        
        Beech
        
        Oak
        
        Mahogany
        
        Alder
        
        Maple
        
        Willow
      - Structure
        
        They have a tightly packed structure
        
        They contain xylem to transport water.
        
        They come from deciduous tree (lose their leafs)
      - Uses
        
        Flooring.
        
        Handles
        
        Toys
    - - Uses
        
        Paper
        
        Rafters
        
        Joists
        
        Ply wood
      - Examples
        
        Pine
        
        Fur
        
        Cedar
        
        Spurce
      - Structure
        
        Low density
        
        Cheaper than hard wood
        
        80% of all timbers come from soft wood
        
        Their trees don't have leaves but have cones and needles
        
        They come from gymnosperm tree. They never lose their needles/cones.
    - - Examples
        
        MDF
        
        Ply wood.
        
        chip board
      - Uses
        
        Flat pack furniture
        
        making boxes
      - structure
        
        Internal bond strength.
        
        Modulus of rupture.
        
        Modulus of elasticity.
        
        Thickness.
        
        Elasticity.
  - - - Definition
        
        The chemical polymers that make up these types of plastics bond permanently when heated and set hard as they cool.
      - examples
        
        epoxy resin
        
        Phenolformaldehyde
        
        polyester resign
      - Common uses