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The label shall warn the user that the material shall be heated in the range as recommended by <br /> the manufacturer. <br /> 97140 Thermoplastic Material for Wet Weather Pavement Markings . <br /> 971 - 10 . 1 General : Upon cooling to normal pavement temperature , the thermoplastic <br /> material shall produce an adherent, reflective pavement marking capable of resisting deformation <br /> by traffic . The manufacturer shall utilize alkyd based materials only and shall have the option of <br /> lee formulating the material according to their specifications . However, the requirements delineated <br /> in this specification shall apply regardless of the type of formulation used . The pigment, <br /> reflective elements , and filler shall be well dispersed in the resin . The material shall be free from <br /> all skins , dirt and foreign objects . <br /> 971 - 10 . 2 Composition : <br /> Component Test Method White Yellow <br /> Binder 20 . 0 % minimum 20 . 0 % minimum <br /> Ti02 , Type II Ructile ASTM D 476 10 . 0 % minimum N/A <br /> Reflective Elements ASTM D 1155 % minimum per /o° <br /> intermix minimum per manufacturer <br /> (intermix) manufacturer <br /> Yellow Pigment N/A % minimum per manufacturer <br /> Calcium Carbonate % minimum per o <br /> and Inert Filler -200 /o minimum per manufacturer <br /> manufacturer <br /> mesh sieve) <br /> ercentages are by weight. <br /> 97140 . 3 Retroreflective Elements : The reflective elements in the intermix shall be <br /> determined by the manufacturer and identified for the QPL System . <br /> 97140 . 4 Physical Requirements : Laboratory samples shall be prepared in accordance <br /> with ASTM D 4960 and shall meet the following criteria : <br /> Property Test Method Minimum Maximum <br /> Water Absorption ASTM D 570 - 0 . 5 % <br /> Softening Point ASTM D 36 200°F <br /> Low Temperature AASHTO T 250 Pass <br /> Stress Resistance - <br /> Specific Gravity Water displacement 1 . 9 2 . 3 <br /> Indentation Resistance ASTM D 2240 * <br /> Shore Durometer, A2 40 <br /> Impact Resistance ASTM D 256 , Method A 1 . 0 N , m - <br /> Flash Point ASTM D 92 475 °F - <br /> *The durometer and panel shall be at 90T with a 4. 4 ] b load applied. Instrument measurement shall be taken after 15 seconds <br />. <br /> ell <br /> 97140 .4 . 1 Set To Bear Traffic Time : When applied at the temperatures <br /> and thickness specified by Section 702 , the baseline material shall set to bear traffic in not more <br /> than two minutes . When the audible bump is required, the bump shall set to bear traffic in not <br /> more than 10 minutes at ambient air temperatures of 80°F or less and in not more than 15 <br /> minutes for ambient air temperatures exceeding 80°F . <br /> - 234 - <br /> FPID (S ) : 423186 - 1 - 58 - 01 <br /> af�,k'�#z ' <br /> e;e el <br /> dn le <br /> , s saM'^°, t ,. , . <br /> + t sJrt` <br />