ON ROAD MARKING PAINTAyni-Panjakent-Uzbekistan Border Road28 May, 2015Contractor has submitted a translated version of Product Quality Certificates issued by Highway Science Institute of Ministry of Transportation in Beijing Haidian District for the following: White-color hot-melt reflective type, and Glass Beads for Road MarkingThe certificates were issued in June, 2014 and are valid up to June, 2016 for each.The two products are to be used in conjunction with resinous material in the form of liquid. The certificate for the liquid is not yet available.A sample containing the above two items and a liquid was delivered at the laboratory for physical inspection.The Mfr. of White-color hot-melt is Beijing Branch Company of Shenyang Modern Traffic Facility Co. Limited and manufacturer of Glass Beads is Hebei Chiye Glass Beads Co. Limited both located in China.The certificates conform only to Traffic Industry Standard of PRC JT/T280-2004 for White-color hot-melt reflective type and National Standard of PRC GB/T24722-2009 . The Project Specification specifies AASHTO T 247 for Glass Beads for Road Paint and AASHTO T 249 for White and Yellow Reflective Thermoplastic Stripping Material (Solid Form).Requirements of PRC specification differ from ASSHTO for White-color hot-melt reflective type in: Chemical composition and Physical propertiesFor Glass Beads AASHTO differs from PRC specification in physical properties, e.g. i) Crushing resistance,ii) Moisture Resistance-Flow characteristics, andiii) Flotation in xylene