Tuesday, September 20, 2011

pitch

  • Pitch is the residue adter distilling tar from coal . 
  • Coal tar and pitch soften at lower temperature , are less plastic , are able to resist temperature variation . 
  • Less costly than bitumen product . 
  • Application : - Pitch mastic flooring , paints , damp-proof membranes , felt saturant ( Materials for damp-prrof membrane ) . 

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