Ultra-fine cement grout material 
 DMFC-GM-600/800 
 Mainly used for 
 A sand layer of the curing process, the foundations of the dam, large or high-rise buildings, reinforcement, grouting reinforcement of road infrastructure. 
 The excavation of the subway, tunnels, mines and other underground works of underground soil filling the reinforcement of the curing and processing infrastructure. 
 Subtle space fill joints grouting; grouting reinforcement or repair of the subway tunnel wall. 
 Performance indicators (DMFC-GM-600) 
 Appearance: gray powder 
 Specific gravity: 3.0 ± 0.1 
 Specific surface area ≥ 6000 cm2 / g, 
 Average particle size of ≤ 10μm; 
 Setting time: the initial setting> 120min; final setting <8 days 
 Performance indicators (DMFC-GM-800) 
 Appearance: gray powder 
 Specific gravity: 2.9 ± 0.1 
 Specific surface area: ≥ 8000 cm2 / g 
 Average particle size of ≦ 5μm 
 Setting time: the initial setting> 120min; final setting <8 days 
 Paste strength of different water slurry injection ratio 
 Water-cement ratio = 0.5:7 d, 62.1 Mpa; 28 d, 78.4 Mpa 
 Water-cement ratio = 1.0:7 d, 14.2 Mpa; 28 d, 20.9 Mpa 
 Water-cement ratio = 1.5:7 d, 6.4 Mpa; 28 days, 11.7Mpa 
 Water-cement ratio = 2.0:7 d, 3.5 Mpa; 28 days 6.2Mpa 
 Water-cement ratio = 3.0:7 d, 2.3 Mpa; 28 days 4.5Mpa 
 Instructions for use 
 Usually grouting Branch water-cement ratio range 0.5-4.0, using an electric mixer, stir well. 
 The injection pressure is usually in the range of 0.1-0.5MPa. 
 3 grouting hole closed until grouting is completed. 
 When the grouting area can be segmented grouting. 
 Packing: plastic woven bag, net weight 25kg / bag.