... .50Gravity of transparent, g/cm3 0.95~1.02Sag/Slump, mm ≤1 ASTM D2202-00(2006)Tack Free Time ... days :Hardness, 24H,Shore A ≥18 ASTM D2240-05Hardness, 7d, Shore A ≥25 ASTM D2240-05Depth of curing, 24H, mm ... ≥2 ASTM C1184-05Depth of curing, 7d, mm ≥6 ASTM C1184-05Recovery of elastic, % ≥80 ... GB/T 13477.17-2002Tensile modulus(MAX), MPa ≥0.5 GB/T ...