JS performance performance grout grouting material is filling our advanced technology combined with new research and development unit of specialty materials. The products to a variety of special composite materials. Has good mobility, micro-expansion, early strength, high strength, crack, impermeability, no shrinkage and durability. This product is superior overall performance, wide range of applications to meet the needs of various types of grouting construction, roads, bridges, tunnels, port terminals, metallurgy, electric power, petrochemical, light industry, such as engineering and prestressed grouting and filling of the best materials. Technical performance content: Fill mixed cement 8% -12%; shrinkage-compensating cement mixed with 12% -16%; and 12% -25%, a special type of mixed cement. Appearance Shape: powder-like material proportion: 28-30g Type: High (with reduced water feature); common type (no water-reducing function). Detection index test items standard indicator test results Grade Qualified total alkali content (%) in the plant should control the relative amount of 5% of the chloride ion content of 0.15 (%) should be in the relative amounts of plant control value 5% 0.03 fine degree (0.315mm sieve) (%) sieve is less than 15% 2.5 fluidity, S, a machine flows 10-17 17 30min liquidity flows 10-25 10-20 19 60min 24.5 0.28 water-cement ratio 0.26-0.28 setting time initial setting, h ≥ 1 55 1 final setting, h ≤ 20 25 20 compressive strength than 7d ≥ 100 85 106 28d ≥ 90 80 93 free expansion 3h 0-2 1.8 24h 0-3 2.6 flexural strength Mpa 7d ≥ 25.0 31.9 28d ≥ 45.0 50.9 permeable pressure ratio,% ≥ 300 200 360 48h water absorption ratio,% ≤ 65 75 62 28d shrinkage ratio,% ≤ 125 135 119 Notice 1, product performance standards: GB23439 / 2009 / JTG / TF50 -2011 relevant standards. 2, the product should be placed in a dry place to prevent damp. 3, woven bag, 50KG; product shelf life of one year.