802Curing Materials

Curing Materials

802.1Curing Materials

1 Provide materials in accordance with T able 802.1-1, Curing Materials. The latest

Table 802.1-1 Curing Materials Materials Specification Burlap Cloth (Jute or Kenaf) AASHTO M 182, Class 3 Sheet Materials AASHTO M 171 (ASTM C 171)

Impervious Curing Compounds(1): “Basic” AASHTO M 148 (ASTM C 309), Class A “Premium White” AASHTO M 148 (ASTM C 309), Type 2, Class B, and Table 802.1-2 or ASTM C1315, Type II, Class A “Premium Clear” ASTM C 1315, Type I or I-D, Class A

[38 °C].

Table 802.1-2 PAMS Compound Properties Property Minimum Maximum ASTM Total solids by weight of compound, % 35 – C 1315 Reflectance TiO(2) Pigment(1), % 60 – E 1347 Drying Time, minutes: Set to touch Track free –

C 309 Water loss in 72 hours, lb/ft² [kg/m²] – 0.06 [0.30] C 156 Flash point, ºF [ºC] 100 [38] – D 56, D 93 VOC content, lb/galN.W. [g/L]N.W. – 2.9 [350] D 3960

802.2Evaporation Retardant

1 For evaporation retardant provide a thin monomolecular film producing compound designed to reduce the surface evaporation rate. Preapprove evaporation retardants through the Materials Program.