EVALUATION OF COLD PLASTIC AND HOT SPRAY THERMOPLASTIC ON I-20 IN SCOTT COUNTY. INTERIM REPORT

There are great variations in the reflectance and durability of pavement marking materials. There is a lot of variability in hot spray thermoplastic since it is manufactured in place on the highway. On asphalt some of the variability is caused by the type of spray equipment and quality control. On concrete much of the variability is caused by the primer but some is caused by the type of spray equipment and quality control. There are substantial differences between the types of cold plastic; but each type is fairly uniform. The Stamark brand cold plastic has reflectivity values that are much higher than the hot spray thermoplastic; but, the hot spray thermoplastic seems to have reached a plateau. Additional time will be required before evaluation. Skid marks on one segment of Stamark have not cleared up after more than six months. The hot spray thermoplastic has developed its normal cracking.

  • Corporate Authors:

    Mississippi State Highway Department

    Research and Development Division, P.O. Box 1850
    Jackson, MI  United States  39215

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Authors:
    • Kidd, S Q
  • Publication Date: 1990-11

Media Info

  • Features: Figures; Tables;
  • Pagination: 12 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00611880
  • Record Type: Publication
  • Report/Paper Numbers: MSHD-RD-90-67-20
  • Files: TRIS, USDOT, STATEDOT
  • Created Date: Aug 31 1991 12:00AM