First, the prestressed pipe grouting agent Features: 1. Good fluidity, high strength, no bleeding, no stratification. 2. durability, Department of Inorganic grouting material, there is no aging, no corrosion of steel, durable and strong. 3. grouting with a full early strength, micro-expansion properties. The product has high filling properties, one-time grouting construction, non-porous dense slurry pipeline. 5. prestressing steel does not rust, strong bond with the concrete. 6. Easy to use, grouting agent of 8 to 12% incorporation of ordinary cement mix made of micro-expansion grouting material can be used. Recommended dosage by 10%. Second, the prestressed pipe pressure slurry Features: 1. Good fluidity, high strength, no bleeding, no stratification. 2. durability, Department of Inorganic grouting material, there is no aging, no corrosion of steel, durable and strong. 3. grouting with a full early strength, micro-expansion properties. The product has high filling properties, one-time grouting construction, non-porous dense slurry pipeline. 5. prestressing steel does not rust, strong bond with the concrete. 6. Easy to use, can be used directly with water.