NSG-350 is made of cement,silica sand and other additives to create an interior or exterior grout with non-shrinking characteristics. It be used for grouting steel columns, bearing plates, precast concrete, and anchors. Grout compensates for an uneven foundation, distributes weight of unit, and prevents shifting after setting and leveling unit.
Uses NSG-350 is suitable for repairs to the following concrete structures: Machine foundations、Columns in precast construction、Concrete anchors、Bridge bearings、Cavities、Gaps、Recesses、Rail beds、Honeycombs (pre-packed grouting) etc.
Advantages ▪ Easy application ▪ High strength ▪ Wear resistance ▪ Good flow characteristics ▪ Dense and non-shrink
Technical Information
Test Items
Test Required Value
Compressive Strength (1 days)
>200 kgf/ cm²
Compressive Strength (7 days)
>400 kgf/ cm²
Compressive Strength (28 days)
>550 kgf/ cm²
Expansion
< 4%
Consumption 1800 kg/m³ Note: This figure is theoretical and does not include for any additional material required due to surface porosity, surface profile, variations in level and wastage etc.
Application instructions
Mixing ▪ Pour 4~4.5 kg of water into a suitably sized and clean mixing container, ensuring strict control of the water content (do not over-water). ▪ Add NSG-350 to the water, while slowly mixing, adding the complete contents of the bag. ▪ Mix with a high-speed drill (> 650 rpm) and an egg beater style mixing paddle to blend water and powder for approximately 2~3 minutes, until a lump-free and uniform mix has been produced. Note: Operating time: 15 ~ 20 minutes (temperature: + 15 ° C(+59°F) ~ + 35 ° C(+95°F))
Application ▪ After mixing, stir lightly with a spatula for a few seconds to release any entrapped air. ▪ The grout is then poured immediately into the prepared formwork. When carrying out baseplate grouting, ensure sufficient pressure head is maintained for uninterrupted mortar flow. For formwork repair, the prepared formwork must be firmly in place and kept watertight. ▪ When placing grout over a large area, it is important to maintain a continuous flow throughout. Work sequence must be properly organised to ensure an uninterrupted flow. ▪ In large areas, NSG-350 may be pumped using heavy duty diaphragm pumps. Screw feed and piston pumps may also be used.
Shelf Life 6 months from date of production if stored properly in original, unopened and undamaged sealed packaging.
Storage Conditions Store dry at +5°C(+41°F)~+35 °C(+95°F) Protect from moisture, direct sunlight, flame sources and freezing.
Technical data sheet(TDS)
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