The new standard prestressed pipe grouting agent Beijing 13,311,126,842 new standard prestressed pipe grouting agent Beijing Sino-German New Asia 13,311,126,842 new standard prestressed pipe grouting agent Beijing Sino-German German New Asia New Asia 13,311,126,842 prestressed pipe grouting agent this product Prestressed Duct fully meet the requirements of high performance grouting material. I. Applications 1, beam prestressed pipe grouting; 2, equipment foundation, bolt and other components grouting; 3, filling the case of nuclear power plants; 4, loose concrete, repair cracks and holes and other defects. Project performance indicators JTG / T F50-2011 "highway bridge construction technical specifications" after TB / T3192-2008 Railway tensioned prestressed concrete beam pipe grouting technology conditions) Model H-60A (H-60B) H-60 ??water-cement ratio (%) 0.26 0.28 0.33 Setting Time (h) Initial setting ≥5 ≥4h final setting ≤24 ≤24h fluidity (25 ℃) (s) the initial flow of 10 ~ 17 14 ~ 22 30min fluidity of 10 ~ 20 ≤30 60min flow of 10 to 25 bleeding rate (%) 24h free bleeding rate 0 0 3h bleeding rate 0 ≤0.1 steel pressure bleeding rate (%) 0.22MPa (channel vertical height ≤1.8m) ≤2.0 ≤3.5 0.36MPa (channel vertical height> 1.8m) ≤2.0 ≤3.5 free expansion (%) 3h 0 ~ 2 24h 0 ~ 3 0 ~ 3 filling degree qualified qualified compressive strength (MPa) 3d ≥20 7d ≥40 ≥35 28d ≥50 ≥50 flexural strength (MPa) 3d ≥5 7d ≥6 ≥6.5 28d ≥10 ≥10 corrosion of steel without corrosion no corrosion on the gas content% 1-3 new standard prestressed pipe grouting agent Beijing Sino-German New Asia 13,311,126,842 The new standard prestressed pipe grouting agent Beijing 13,311,126,842 new standard prestressed pipe grouting agent Beijing Sino-German German New Asia New Asia 13,311,126,842