1049The pigment portion of these paints shall be a combination of prime and extender

1049 The pigment portion of these paints shall be a combination of prime and extender pigments as required to produce either white or yellow waterborne traffic paint in accordance with the color and other requireme nts of the finished product. The yellow waterborne traffic paint pigment shall contain pigment yellow Color Index No. 65, or 74, or 75 or a combination of each. The white waterborne traffic paint pigment shall contain titanium dioxide in accordance with ASTM D476. The non-volatile portion of 350 the vehicle shall be composed of a 100% acrylic polymer. The cured film of waterborne traffic paint shall not contain any toxic heavy metals above the limits of the regulatory levels of 40 CFR 261.24, Table 1 or contain any other material which will require characterization as a hazardous waste for the disposal of the dried film. 2. Specific Requirements Min. Max. Volume solids, ASTM D2697, % 58.0 -- Total solids by mass, ASTM D2369, % 73.0 -- Pigment by mass, ASTM D3723, % 45.0 57.0 Vehicle solids by mass of the vehicle, % 44.0 -- Viscosity, ASTM D562, Krebs Units 75 95 Weight/volume, ASTM D1475, 25°C, kg/L 1.498 -- Weight/volume @ 25°C, variation from the manufacturer’s initially approved batch, ASTM D1475, kg/L. -- 0.024 Dry time, ASTM D711, 15 mils wet film thickness, airflow of less than 50 cu ft/min, without glass beads -- 10 min Reflectance Factor, Y, C.I.E. illuminant, C, 2° standard observer, ASTM E1349, 15 mils wet film thickness, air dried a minimum of 16 h, % White .......................................................... Yellow ........................................................ 84 50 -- Color, yellow only, x - y C.I.E. Coordinates for the strong limits of FHWA color chart PR1, 15 mils wet film thickness, air dried a minimum of 16 h, measured on white background, C.I.E. illuminant, C, 2° standard observer, % deviation Match the strong limits ±6.00 Coarse material retained on a No. 30 sieve, ASTM D185, % -- 0.05 Bleeding ratio, Federal Specifications TT-P-1952B, except asphalt saturated felt paper shall be in accordance with ASTM D226, Type I 0.97 -- Contrast ratio, ASTM D2805, 10 mils wet film thickness on opacity chart 2A or 2C, air dried a minimum of 16 h 0.96 -- Volatile organic compounds, ASTM D3960 from May 1 thru September 30, g/L from October 1 thru April 30, g/L -- -- 105 Abrasion resistance, Federal Specifications TT-P-1952B, L 190 -- (continued on next page) 909.05 1050 (continued from previous page) Min. Max. Freeze-thaw stability, Federal Specifications TT-P-1952B, change in consistency, Krebs Units -- 10 Heat stability, Federal Specifications TT-P-1952B, change in consistency, Krebs Units -- 10 Scrub resistance, ASTM D2486, with abrasive medium and shims, cycles 300 -- Water resistance, Federal Specification TT-P-1952B Film shall not soften, blister, wrinkle, or lose adhesion Flexibility, Federal Specifications TT-P-1952B No cracking or flaking of film Infrared spectrum of the vehicle ASTM D3168 Shall match spectrum of manufacturer’s previously submitted samples Dilution test shall be capable of dilution with water at all levels without curdling or precipitation such that wet paint can be cleaned up with water only.