980 Page 551980 PAINT
980.1TRAFFIC PAINT
The finished paint will be smooth and homogeneous, free of coarse particles, skins, or any other foreign materials detrimental to the use or appearance of the paint. High build waterborne paint will meet the requirements of Section 980.1 B. The manufacturer will submit a “Certificate of Compliance” for each batch of paint produced for use under this specification. The certification will contain the manufacturer’s code number and batch number along with the test results of each batch for weight per gallon, viscosity, drying time, percent pigment, percent vehicle, and fineness of grind. A.Waterborne Paint : The paint will use 100% acrylic polymer such as Dow FASTRACKTM 3427, Arkema DT 250, or an approved equal. 1.Quantitative Requirements: The finished paint will meet the following quantitative requirements: WHITE YELLOW Lead , parts per million 100 100 ASTM D3335 or X-ray fluorescence Pigment , percent by weight 60.0 - 62.5 56.1 - 58.6 Tested in accordance with ASTM D3723 Titanium Dioxide , pounds/gallon, min 1.00 0.20 ASTM D 476 Type II Rutile 92% min. Ti0 2 tested in accordance with ASTM D1394 or ASTM D4764 Total Solids , percent by weight, min 77.0 76.1 Tested in accordance with ASTM D3723 Non-volatile Vehicle , percent by weight, min 42.5 42.5 Tested in accordance with NIST 141C (Method 4051.1) Consistency (Viscosity), KU 80 to 90 80 to 95 Krebs-Stormer, equivalent units, shearing rate 200 rpm. When tested in accordance with ASTM D562, the consistency of the paint will be within the stated specification when determined a minimum of 48 hours after packaging the material. Weight per Gallon , pounds, min Tested in accordance with ASTM D1475. In addition to compliance with the minimum, the weight per gallon will not vary more than ± 0.3 pounds/gallon between batches.
Dow FASTRACK™ 3427 13.85 13.30 Arkema DT 250 13.75 13.20 Fineness of Dispersion, Hegman Scale, min 2 2 Tested in accordance with ASTM D1210 “B” Cleanliness” 980 Page 552Drying Time , No Pick-Up, minutes, max 12 12 Tested in accordance with ASTM D711, except the wet film thickness will be 12.5 ± 0.5 mils. Drying Time , Dry-through, minutes, max 120 120 Tested in accordance with ASTM D1640, except the wet film thickness will be 12.5 ± 0.5 mils. A reference control paint will be run in conjunction with the candidate paint. Dow FASTRACK™ 3427 formulation will be the referenced-control paint. If either the candidate or reference-control paint exceeds the 120 minute maximum, then the candidate paint will not exceed the dry time of the reference-control paint by more than 15 minutes. Directional Reflectance, min 85 50 When applied at a wet film thickness of 15 mils and when tested in accordance with ASTM E1347 using the 45/0 illumination. pH, min 9.80 9.80 Tested in accordance with ASTM E70 Dry Opacity , Contrast ratio, min 0.95 0.88 When applied at a wet film thickness of 6 to 7 mils and when tested in accordance with ASTM D2805 Volatile Organic Content (VOC), grams/liter, max 115 115 Tested in accordance with ASTM D3960 Color: The paint will meet the color specification limits and luminance factors listed in Tables 1 & 2 when tested in accordance with ASTM E1347 or ASTM E1349. The paint will not discolor in sunlight and will maintain the colors and luminance factors throughout the life of the paint. Table 1*1 Chromaticity Coordinates (corner points)Min. Luminance Factor (Y %) 1 2 3 4Color X Y X Y X Y X Y White 0.355 0.355 0.305 0.305 0.285 0.325 0.335 0.375 35 Yellow 0.560 0.440 0.490 0.510 0.420 0.440 0.460 0.400 25 *1Daytime Color Specification Limits and Luminance Factors for Pavement Markings Material with CIE 2 Standard Observer and 45/0 (0/45) Geometry and CIE Standard Illuminant D65 Table 2*2 Chromaticity Coordinates (corner points) 1 2 3 4 Color X Y X Y X Y X Y White 0.480 0.410 0.430 0.380 0.405 0.405 0.455 0.435 Yellow 0.575 0.425 0.508 0.415 0.473 0.453 0.510 0.490 *2Nighttime Color Specification Limits for Pavement Marking Retroreflective Material With CIE 2 Standard Observer, Observation Angle = 1.05 , Entrance Angle + 88.76 and CIE Standard Illuminant A. 980 Page 5532.Qualitative Requirements: The finished paint will meet the following qualitative requirements: Condition in Container - Storage Stability . Within a period of 12 months from the time of delivery and when examined in accordance with Federal Specification TT-P-1952F 4.3.2, the paint will not show excessive settling in a freshly opened full can and will be easily redispersed with a paddle to a smooth homogeneous state. The paint will show no undesirable characteristics to include curdling, livering, caking, gelling, or thixotropic properties, lumps, skins, or color separation. The consistency will not change more than 5 Kreb Units from that of the original sample, the degree of settling will have a rating of 6 or better per ASTM D869, and the drying time will be as specified. Skinning . The paint will not skin within 48 hours in a three-quarter filled, tightly closed container when examined in accordance with Federal Specification TT-P-1952F 4.3.14. Flexibility and Adhesion. The paint will show no cracking, flaking, or chipping when tested as specified. Apply a wet film thickness of 0.005 inches with a film applicator to a 3 inch x 5 inch tin panel weighing 0.39 to 0.51 pounds per square foot, previously cleaned with benzene and lightly buffed with steel wool. Dry the paint film at 70 to 80ºF in a horizontal position for 18 hours, then bake in an oven at 122 ± 4ºF for two hours, and cool to room temperature for at least 1/2 hour. Bend over a 1/2 inch diameter rod and examine, without magnification, in accordance with ASTM D522 Test Method B. Water Resistance. The paint will show no softening, blistering, loss of adhesion or other evidence of deterioration, other than a slight loss in gloss when tested as specified. Apply a wet film thickness of 0.015 inches with a film applicator to a clean glass plate. Dry the paint film at 70 to 80ºF in a horizontal position for 72 hours. Immerse one-half of the painted plate in distilled water in a vertical position at room temperature (70 to 80ºF) for 18 hours in accordance with ASTM D870. Remove the painted plate from the immersion liquid, allow to air dry for 2 hours, and then examine. Dilution Stability . The paint will be capable of dilution with water with no separation, curdling or precipitation observed when examined in accordance with NIST 141D (Method 4203.2), such that the wet paint can be readily cleanable with only water. Spraying Properties . The paint as received will have satisfactory spraying and hiding properties when applied by either airless or air-assisted type traffic stripers to glass or metal plates at a wet film thickness of 0.015 inches. Bleeding . The paint will have a minimum bleeding ratio of 0.97 when tested in accordance with ASTM D868. The asphalt saturated felt will conform to ASTM D 226 (Type I). Freeze-Thaw Stability . The paint will show no coagulation or change in consistency greater than 5 Kreb Units when tested in accordance with Federal Specification TT-P-1952 F 4.3.8. Heat Stability . The paint will show no gelling, signs of instability, or change in consistency greater than 5 Kreb Units when tested in accordance with Federal Specification TT-P-1952 F 4.3.13. 980 Page 554Abrasion Resistance . No less than 190 Liters of sand will be required for removal of the paint film when tested in accordance with Federal Specification TT-P-1952 F 4.3.7. B.High Build Waterborne Paint: The paint will be a durable high build, low VOC, fast drying, waterborne traffic paint using 100% acrylic polymer Dow FASTRACKTM HD-21A or an approved equal. 1.Quantitative Requirements: The finished paint will meet the following quantitative requirements: WHITE YELLOW Lead , parts per million, max 100 100 ASTM D3335 or X-ray fluorescence Pigment , percent by weight 60.0 - 62.0 58.0 - 62.0 Tested in accordance with ASTM D3723 Titanium Dioxide , pounds/gallon, min 1.00 0.20 ASTM D476 Type II-IV Rutile 92% min. Ti0 2 tested in accordance with ASTM D1394 or ASTM D4764 Total Solids , percent by weight, min 77.0 76.0 Tested in accordance with ASTM D2369 Non-volatile Vehicle , percent by weight, min 42.5 42.5 Tested in accordance with NIST 141C (Method 4051.1) Consistency (Viscosity), KU 80 to 95 80 to 95 Krebs-Stormer, equivalent units, shearing rate 200 rpm. When tested in accordance with ASTM D562, the consistency of the paint will be within the stated specification when determined a minimum 48 hours after packaging the material. Weight per Gallon , pounds, min 13.50 13.00 Tested in accordance with ASTM D1475. In addition to compliance with the minimum, the weight per gallon will not vary more than ± 0.3 pounds/gallon between batches. Fineness of Dispersion, Hegman Scale, min 2 2 Tested in accordance with ASTM D1210 “B” cleanliness Drying Time , No Pick-Up, minutes, max 12 12 Tested in accordance with ASTM D711, except the wet film thickness will be 12.5 ± 0.5 mils. Drying Time , Dry-through, minutes, max 120 120 Tested in accordance with ASTM D1640, except the wet film thickness will be 12.5 ± 0.5 mils. A reference control paint will be run in conjunction with the candidate paint. Dow FASTRACKTM HD-21A formulation will be the referenced-control paint. If either the candidate or reference-control paint exceeds the 120 minute maximum, then the candidate paint will not exceed the dry time of the reference-control paint by more than 15 minutes. Directional Reflectance , min 85 50 980 Page 555When applied at a wet film thickness of 15 mils and when tested in accordance with ASTM E1347 using the 45/0 illumination. pH, min 9.6 9.6 Tested in accordance with ASTM E70 Dry Opacity , Contrast ratio, min 0.95 0.88 When applied at a wet film thickness of 6 to 7 mils and when tested in accordance with ASTM D2805. Volatile Organic Content (VOC), grams/liter, max 115 115 Tested in accordance with ASTM D3960 Color: The paint will meet the color specification limits and luminance factors listed in Tables 1 & 2 when tested in accordance with ASTM E1347 or ASTM E1349. The paint will not discolor in sunlight and will maintain the colors and luminance factors throughout the life of the paint. Table 1*1 Chromaticity Coordinates (corner points)Min. Luminance Factor (Y %) 1 2 3 4Color X Y X Y X Y X Y White 0.355 0.355 0.305 0.305 0.285 0.325 0.335 0.375 35 Yellow 0.560 0.440 0.490 0.510 0.420 0.440 0.460 0.400 25 *1Daytime Color Specification Limits and Luminance Factors for Pavement Markings Material with CIE 2 Standard Observer and 45/0 (0/45) Geometry and CIE Standard Illuminant D65 Table 2*2 Chromaticity Coordinates (corner points) 1 2 3 4 Color X Y X Y X Y X Y White 0.480 0.410 0.430 0.380 0.405 0.405 0.455 0.435 Yellow 0.575 0.425 0.508 0.415 0.473 0.453 0.510 0.490 *2Nighttime Color Specification Limits for Pavement Marking Retroreflective Material With CIE 2 Standard Observer, Observation Angle = 1.05 , Entrance Angle + 88.76 and CIE Standard Illuminant A. 2.Qualitative Requirements: The finished paint will meet the following requirements: Condition in Container – Storage Stability. Within a period of 12 months from the time of delivery and when examined in accordance with Federal Specification TT-P-1952F 4.3.2, the paint will not show excessive settling in a freshly-opened full can and will be easily redispersed with a paddle to a smooth homogeneous state. The paint will show no undesirable characteristics to include curdling, livering, caking, gelling, or thixotropic properties, lumps, skins, or color separation. The consistency will not change more than 5 Kreb Units from that of the original sample, the degree of settling will have a rating of 6 or better per ASTM D869, and the drying time will be as specified. Skinning. The paint will not skin within 48 hours in a three-quarter filled, tightly closed container when examined in accordance with Federal Specification TT-P-1952F 4.3.14. 980 Page 556Flexibility and Adhesion. The paint will show no cracking, flaking, or chipping when tested as specified. Apply a wet film thickness of 0.005 inches with a film applicator to a 3 inch x 5 inch tin panel weighing 0.39 to 0.51 pounds per square foot, previously cleaned with benzene and lightly buffed with steel wool. Dry the paint film at 70 to 80ºF in a horizontal position for 18 hours, then bake in an oven at 122 ± 4ºF for two hours, and cool to room temperature for at least 1/2 hour. Bend over a 1/2 inch diameter rod and examine, without magnification, in accordance with ASTM D522 Test Method B. Water Resistance. The paint will show no softening, blistering, loss of adhesion or other evidence of deterioration, other than a slight loss in gloss when tested as specified. Apply a wet film thickness of 0.015 inches with a film applicator to a clean glass plate. Dry the paint film at 70 to 80ºF in a horizontal position for 72 hours. Immerse one-half of the painted plate in distilled water in a vertical position at room temperature (70 to 80ºF) for 18 hours in accordance with ASTM D870. Remove the painted plate from the immersion liquid, allow to air dry for 2 hours, and then examine . Dilution Stability. The paint will be capable of dilution with water with no separation, curdling or precipitation observed when examined in accordance with NIST 141D (Method 4203.2), such that the wet paint can be readily cleanable with only water. Spraying Properties. The paint as received will have satisfactory spraying and hiding properties when applied by either airless or air-assisted type traffic stripers to glass or metal plates at a wet film thickness of 0.015 inches. Bleeding. The paint will have a minimum bleeding ratio of 0.97 when tested in accordance with ASTM D868. The asphalt saturated felt will conform to ASTM D 226 (Type I). Freeze-Thaw Stability. The paint will show no coagulation or change in consistency greater than 5 Kreb Units when tested in accordance with Federal Specification TT-P-1952 F 4.3.8. Heat-Shear Stability. The paint will show no gelling, signs of instability, or change in consistency greater than 5 Kreb Units when tested in accordance with Federal Specification TT-P-1952 F 4.3.13. Abrasion Resistance. No less than 190 Liters of sand will be required for removal of the paint film when tested in accordance with Federal Specification TT-P-1952 F 4.3.7. 981 Page 557981 GLASS BEADS
981.1GENERAL REQUIREMENTS
Glass beads for use with pavement marking paint will be moisture resistant and will meet the requirements of AASHTO M 247, Type II. The glass beads will be without floatation properties. The glass beads will have dual surface treatment consisting of a moisture resistant silicone treatment, and silane adherence surface treatment. The glass beads will have a minimum of 80% true spheres. Roundness will be tested in accordance with SD 510.