Coal transportation rail reinforcement special grouting in tianjin - tianjin grouting material manufacturers

Coal transportation rail reinforcement for tianjin CGM high-strength non-shrinkage grouting material 1 d (22 ~ 27 MPa) or higher compressive strength and compressive strength of the 3 d p 38 ~ 45 MPa), 28 d (70 MPa) or higher compressive strength, fluidity (300 ~ 380 mm) water material ratio (% of 9% ~ 11%).