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fabric pad shall have a shore A hardness of 90 ± 5 in I <br /> 1 1. The pre-formed <br /> 2 accordance with ASTM D 2240. I 3 <br /> 4 2. The number of plies shall be as required to produce the specified <br /> 5 thickness after compression and vulcanization. <br /> 6 <br /> 7 9-31.9 Polyether Urethane <br /> 8 Polyether urethane shall be a molded polyether urethane compound conforming to <br /> 9 the following properties: I 10 <br /> Physical Properties Specification <br /> Hardness, Type D durometer ASTM D 2240 45 55 65 <br /> I <br /> Minimum tensile stress, ksi ASTM D 412 <br /> At 100-percent elongation 1.5 1.9 2.3 <br /> At 200-percent elongation 2.8 3.4 4.0 <br /> Minimum tensile strength, ksi ASTM D 412 4.0 5.0 6.0 <br /> Minimum ultimate elongation, ASTM D 412 350 285 220 <br /> percent <br /> Maximum compression set (22 hours ASTM D 395 40 40 40 <br /> at 158°F) Method B, percent <br /> 11 <br /> 12 Required minimums for tensile stress at specific elongations, tensile strength, <br /> 13 ultimate elongation, and compression set may be interpolated for durometer <br /> 14 hardness values between 45 and 55, and 55 and 65. <br /> 15 <br /> 16 9-31.10 Silicone Grease <br /> 17 Silicone grease for use with dimpled PTFE shall conform to SAE AS 8660. <br /> I <br /> 18 <br /> 19 9-31.11 Epoxy Gel <br /> 20 Epoxy gel shall be Type 1, Grade 3, Class A, B, or C, conforming to Section 9-26.1. <br /> 21 <br /> 22 9-31.12 Resin Filler <br /> 23 Resin filler shall be a two-component, resin and catalyst, liquid thermoset material, <br /> 24 with the following properties: <br /> 25 <br /> 26 1. The viscosity of the resin-catalyst mixture shall be 35,000 ± 5,000cP at <br /> 27 75°F immediately after mixing. <br /> 28 <br /> 29 2. The flash point shall be 100°F minimum. <br /> I <br /> 30 <br /> 31 3. After mixing, the resin-catalyst mixture shall be pourable for a minimum of <br /> 32 8-minutes at 60°F and shall harden in 15-minutes maximum. Heating of <br /> 33 the mixture to a maximum temperature of 250°F after placement is <br /> 34 permissible to obtain a full cure. <br /> 35 <br /> 36 The properties of the cured resin-catalyst mixture shall be: t <br /> 37 <br /> 38 1. The fully cured compressive strength shall be 12,000 psi, minimum. <br /> 39 1 40 2. The maximum allowable shrinkage shall be 2-percent. To control <br /> 41 shrinkage, an inert filler may be used in the resin provided the specified <br /> 42 viscosity requirements are met. <br /> 43 <br /> HOT MIX ASPHALT OVERLAY-2018 PAGE 52 OF 53 March 6, 2018 <br /> WORK ORDER#3667 <br /> I <br /> AMENDMENTS TO STANDARD PROVISIONS <br />