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I <br /> 1 entire lens surface to the test described in ASTM D 4280 Section 9.5 using a sand drop <br /> 2 apparatus. After the exposure described above, retroreflected values shall not be less <br /> I 3 than 0.5 times a nominal unblemished sample. <br /> 4 <br /> 5 9-21.2(3) Strength Requirements <br /> 6 This section is deleted in its entirety. <br /> I7 <br /> 8 9-26.AP9 <br /> 9 Section 9-26, Epoxy Resins <br /> # 10 April 2, 2018 <br /> 11 9-26.1(2) Packaging and Marking <br /> I 12 The second paragraph is revised to read: <br /> 13 <br /> 14 Containers shall be identified as "Component A" (contains the Epoxy Resin) and <br /> I 15 "Component B" (Contains the Curing Agent) and shall show the type, grade, class, and <br /> 16 mixing directions as defined by these Specifications. Each container shall be marked by <br /> 17 permanent marking with the name of the formulator, the lot or batch number, the date of <br /> I 18 packaging, expiration date and the quantity contained in pounds or gallons. If the two <br /> 19 containers are furnished in a single cartridge, that cartridge shall be marked by <br /> 20 permanent marking to the cartridge with the name of the formulator and the lots or batch <br /> I 21 numbers for both Component A and Component B, the date of packaging, expiration date, <br /> 22 and the quantity contained in ounces or milliliters. <br /> 23 <br /> 24 9-28.AP9 <br /> I25 Section 9-28, Signing Materials and Fabrication <br /> 26 April 2, 2018 <br /> I27 9-28.10 Vacant <br /> 28 This section, including title, is revised to read: <br /> 29 <br /> I30 9-28.10 Digital Printing <br /> 31 Transparent and opaque durable inks used in digital printed sign messages shall be as <br /> 32 recommended by the manufacturer. When properly applied, digital printed colors shall <br /> I 33 have a warranty life of the base retroreflective sign sheeting. Digital applied colors shall <br /> 34 present a smooth surface, free from foreign material, and all messages and borders shall <br /> 35 be clear and sharp. Digital printed signs shall conform to 70% of the retroreflective <br /> I 36 minimum values established for its type and color. Digitally printed signs shall meet the <br /> 37 daytime color and luminance, and nighttime color requirements of ASTM D 4956. No <br /> 38 variations in color or overlapping of colors will be permitted. Digital printed permanent <br /> I 39 traffic signs shall have an integrated engineered match component clear protective <br /> 40 overlay recommended by the sheeting manufacturer applied to the entire face of the sign. <br /> 41 On Temporary construction/maintenance signs printed with black ink only, the protective <br /> I 42 overlay film is optional, as long as the finished sign has a warranty of a minimum of three <br /> 43 years from sign sheeting manufacturer. <br /> 44 <br /> 45 All digital printed traffic control signs shall be an integrated engineered match component <br /> 46 system. The integrated engineered match component system shall consist of <br /> 47 retroreflective sheeting, durable ink(s), and clear overlay film all from the same <br /> 48 manufacturer applied to aluminum substrate conforming to Section 9-28.8. <br /> I <br /> I <br />