Asphalt composition containing atactic polypropylene

摘要: A composition consists essentially of 1-20 weight per cent atactic polypropylene and 80-99 asphalt. The standard needle penetration the is preferably 70-120 at 77 DEG F. ratio least 30. has M.W. 10,000-40,000. may be blended with mineral aggregates, cement, sand, asbestos, vermiculite or glass fibres. used for paving, soil stabilization, linings, coatings making moulded articles.