technical material

technical material

1. raw material

   • natural
     • processed
       • textile
       • plastics
     • wood
     • construstion material
   • animal
   • plant
   • mineral

2. properties

   • optical properties
     • transparent
       • translucent
         • opaque
   • mechanical properties
     • hard/soft
       • thought/britle
         • deformability
           • elastic
           • plastic
     • ductile
       • malleable
   • physical properties
     • sound conductivity
     • electrical conductivity
     • thermal conductivity