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<br />. <br /> <br />-, <br /> <br />.-, <br /> <br />971-4.4 Application Properties: Application properties shall meet the requirements <br />of Section 71 O. <br />971-4.5 Packaging and Labeling: The traffic paint shall be placed in 55 gal <br />[210 liter] open-end steel drums with a re-usable multi-seal sponge gasket. No more than <br />50 gal [190 liters] of material shall be placed in any drum to allow for expansion during <br />transport and storage. <br /> <br />. <br /> <br />. <br /> <br />r"l <br /> <br />. <br /> <br />-, <br /> <br />971-5 Thermoplastic Materials for Traffic Stripes. <br />971-5.1 General: Upon cooling to normal pavement temperature, these materials <br />shall produce an adherent, reflective pavement marking capable of resisting deformation by <br />traffic. The manufacturer shall utilize alkyd based materials only and shall have the option <br />of formulating the material according to his own specifications. However, the requirements <br />delineated in this Specification and Section 711 shall apply regardless of the type of <br />formulation used. The pigment, glass spheres, and filler shall be well dispersed in the resin. <br />The material shall be free from all skins, dirt and foreign objects. <br />971-5.2 Composition: <br /> <br />. <br /> <br />II <br /> <br />. <br /> <br />,.., <br /> <br />. <br /> <br />II <br /> <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 - <br />Glass Spheres AASHTO T 250 40.0% minimum 40.0% minimum <br />Yellow Pigment % minimum pel <br /> - <br /> manufacturer <br />Calcium Carbonate and Inert Filler (- 30.0% maximum 37.5% maximum <br />200 mesh [-75 11m] sieve) <br />Percentages are by weight. <br /> <br />. <br /> <br />.., <br />. <br /> <br />..., <br /> <br />. <br /> <br />-. <br /> <br />.., <br /> <br />The alkyd/maleic binder must consist of a mixture of synthetic resins (at least one <br />synthetic resin must be solid at room temperature) and high boiling point plasticizers. At <br />least one-half of the binder composition must be 100% maleic-modified glycerol of rosin <br />and be no less than 1 5 % by weight of the entire material formu lation. <br />971-5.3 Glass Spheres: The glass spheres in the intermix shall consist of 50% Type <br />1 and 50% Type 3. Glass spheres shall meet the requirements of 971-2. <br />971-5.4 Sharp Silica Sand: Sharp silica sand used for bike lane symbols and <br />pedestrian crosswalk lines shall meet the following gradation requirements: <br /> <br />. <br /> <br />.., <br /> <br />. <br /> <br />. <br /> <br />.-, <br /> <br />...., <br /> <br />Sieve Size % Passing <br />20 [850 11m] 100 <br />50 [300 11m] o to 1 0 <br /> <br />. <br /> <br />. <br /> <br />..... <br /> <br />971-5.5 Physical Requirements: Laboratory samples shall be prepared in accordance <br />with ASTM D 4960 and shall meet the following criteria: <br /> <br />. <br /> <br />,.., <br /> <br />Property Test Method Minimum Maximum <br />Water Absorption ASTM D 570 - 0.5% <br />Softening Point ASTM D 36 1950F [900C] - <br />Low Temperature AASHTO T 250 Pass - <br /> <br />.., <br />. <br /> <br />. <br /> <br />..., <br /> <br />09/09 <br /> <br />01000-191 <br /> <br />03-4122.F <br /> <br />. <br />