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AnchorPro NS Grout 25KG Grey

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High strength, general purpose, non-shrink cementitious grout with exceptionally high fluidity, non-toxic, 
non-corrosive and chloride free. 

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SKU
APNSG
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M3

*This Coverage Is Theoretical & Depends Upon The Surface Profile Of The Substrate & The Wastage.
*Coverage Rates Given Refer To This Project Only.
*Wastage Of Material And Preparation Of Surface Not Included.

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DATA RESULT
Appearance Grey powder
Mix Density approx. 2,285 kg/ m³
Max. diam of aggregate < 2 mm
Bleeding Absent  (at recommended ratios)
Working Time @ 25º C 60 min
Setting Time @ 25º C 90 min
Application temp. range From +5º C to +45º C
Max service temperature From -30º C to +60º C
Compressive Strength (N/mm²) EN 196-1
§  Fluid (18% water)
§  Flowable (13% water)		 1day   7day    28days
> 25    >45      > 70
> 30    >50      > 75
Flexural Strength (N/mm²) EN 196-1
§  Fluid (18% water)
§  Flowable (13% water)		 1day   7day    28days
> 25    >45      > 70
> 30    >50      > 75
Pull off strength (ASTM D4541) >1N/mm²
Modulus of elasticity (ASTM C469) >24,000 (N/mm²)
Water permeability (BS EN 12390-8) <5 mm
Water absorption (ASTM D570-98) <0.1%
VOC content 0 g/ liter

 

Description

AnchorPro Grout NS is a cementitious, pre-bagged ready-to-use, high-strength precision concrete in powder form which requires only the site addition of clean water to produce an exceptionally high fluid grout that is able to fill intricate spaces, free from segregation & bleeding, that hardens to produce a dense, durable surface. Due to its expansive agent, it is characterized by a total absence of shrinkage in the plastic (ASTM C827) & hardened phase and develops early flexural/compressive strength. The addition of a controlled amount of clean water produces a flowing non-shrink grout for gap thickness up to 100 mm.

Additional Information

Applicable Standards/ Compliance: Applicable Standards/ Compliance: Colours: Mixing Ratio/ Coverage/ Yield:
CRD-C 621 25 kg bags Grey Flowable consistency: 3.25 litres water/ 25 kg bag (13%)
ASTM C 1107-14 - Grade C     Flowable consistency: 3.25 litres water/ 25 kg bag (13%)
EN 196-1     ▪ Yield: 13 – 14 liters after mixing with water/ 25 kg bag (Approx. 1.35 m²/per bag @10mm thick based on 1 mm thickness = 1 litre for 1 m² area principle)
ASTM C939     * This coverage is theoretical and depends upon the surface profile of the substrate and the wastage
ASTM C940      

Typical Applications

AnchorPro Grout NS is formulated for use at any consistency from fluid to damp-pack, & may be used with confidence for bedding, grouting, anchoring, and precision bearing operations. These include general void filling for Gas or steam turbines, Generators, Presses, Crane rails, Milling machines, Precast elements, Anchor bolts, bridge bearing applications, machine baseplates, fence posts, voids in structural elements & around pipe sleeves, rigid joints between elements in concrete & precast structures, pile cap reprofiling and honeycombs in concrete.

Benefits

  • Adjustable consistency
  • Excellent workability retention even at high ambient temperatures
  • Excellent impermeability to water.
  • Excellent initial flow and flow retention
  • High bond strength to steel and concrete
  • Early strength development even at a fluid consistency
  • Chloride free, no metallic iron aggregates or content to cause staining.
  • Shrinkage compensation - reduces the risk of cracking due to shrinkage and ensures full contact with host concrete and load transfer in structural repair situations.
  • A dual expansion system compensates for shrinkage in the plastic and hardened states.
  • No primer required - allows rapid application at a reduced cost. Exceptional bond to concrete substrates without independent primer
  • High ultimate strength & and low permeability ensure the durability of the hardened grout and maximum protection against carbon-di-oxide and chlorides
  • Durability - Micro silica content enhances strength & durability, good fatigue and impact resistance
  • Self-compacting - ensures complete filling of spalled/ damaged areas, eliminates honeycombing & displaces air without vibration
  • Free-flowing - eliminates honeycombing in areas of congested reinforcement, material is precision blended in the factory to ensure consistent results, Suitable for placement by pumping or pouring techniques into restricted locations
  • Pre-bagged to overcome site-batched variations - only the site addition of clean water is required. Easy and simple to use
  • Resistance to chemical attack - Thanks to its water tightness, AnchorPro Grout NS is protected against environmental aggressive agents in solution, resistant to acid gases, chloride ions, oxygen, and water.
  • Low alkali content - minimizes the risk of alkali-silica reaction
  • Non-shrink, Non-toxic, Non-corrosive
Technical Data Sheet Download
Material Safety DataSheet Download
Test Reports Download
Substrate Preparation

The surface onto which the grout is to be applied should be scabbled to remove laitance and expose the aggregate. Do not use bush hammers or similar preparation equipment that can crush the aggregate but leave it in place. The substrates must be sound, clean, dust free, and free from all traces of oil, curing compound, gypsum, paint, corrosion deposits or algae, or laitance which would impair adhesion.

 

Formwork:

 

Care should be taken to ensure formwork is secure and watertight to prevent movement and leaking during the placing and curing of the grout. This can be achieved by using foam rubber strips or mastic sealant beneath the constructed formwork & between joints. The area should be free of excessive vibration. Where AnchorPro Grout NS is to be poured, ensure access is available and a head of pressure can be maintained. Seal drainage outlets and ensure formwork is secure to prevent movement and grout loss during placement. Shut down adjacent machinery until the grout has hardened. Air pressure relief holes should be provided to allow venting of any isolated high spots. If Levelling shims are to be removed after the grout has hardened, they should be treated with a thin layer of grease. The unrestrained surface area must be kept to a minimum. Generally, the gap width between the perimeter formwork and the plate edge should not exceed 75 mm on the pouring side and 25 mm on the opposite side. It is advisable where practical to have no gap at the flank sides.

 

Pre-soaking:

 

The formwork should include outlets for pre-soaking. For a minimum of 2 hours prior to grouting, the prepared substrate should be thoroughly soaked, to a saturated but surface dry condition prior to application of the AnchorPro Grout NS to minimize absorption and to assist in the free flow of the grout. Soaking prior to placement is essential and provision should be made for drainage outlets. Before pouring, remove all excess water from the cavity. To facilitate the elimination of unabsorbed water, use compressed air if necessary. Particular attention should be paid to bolt holes to ensure that these are water-free. Use oil-free compressed air to blow out bolt holes & pockets as necessary. Base plates, bolts, etc. must be clean and free of oil, grease, and paint, etc. Set & align the equipment.

Product Preparation

  • For best results, a mechanically powered grout mixer should be used. When quantities up to 50 kg are used, a slow-speed drill fitted with a Mixing Paddle should be used. Larger quantities will require a high-shear mixer. To enable the grouting operation to be carried out continuously, it is essential that sufficient mixing capacity and labor are available

  • Damp down the inside of the mixer with water prior to mixing the initial batch of AnchorPro Grout NS. Ensure the mixer is damp but free of standing water.

  • The quantity of clean water required to be added to a 25 kg bag to achieve the desired consistency is given below. The amount of water required will be affected by ambient temperature and relative humidity

  • Add the aggregates to the mixing water in the concrete mixer and then slowly add the AnchorPro Grout NS powder and mix for 5 minutes until a lump-free uniform consistency is achieved - Ideally, the slump should be 75-200 mm depending upon application requirements.

  • Any bolt pockets must be grouted prior to grouting between the substrate and the base plate.

  • Continuous grout flow is essential. Sufficient grout must be prepared before starting. The time taken to pour a batch must be regulated to the time taken to prepare the next one

  • Pouring should be from one side of the void to eliminate any air or pre-soaking water becoming trapped under the base- plate. It is advisable to pour the grout across the shortest distance of travel. The grout head must be maintained at all times so that a continuous grout front is achieved.

  • Where large volumes have to be placed AnchorPro Grout NS may be pumped. A heavy-duty diaphragm pump is recommended for this purpose. Screw feed and piston pumps may also be suitable. Mixing by hand is not recommended.

Product Application
  • AnchorPro Grout NS should be placed in a single continuous operation. Poured material should be introduced slowly to prevent entrapment of air. It is essential to place the mixed material within 30 minutes of batching
  • Lengths of metal strapping laid in the formwork prior to placing may be necessary to assist grout flow over large areas & in compacting/eliminating air pockets. Pour the grout continuously. Maintain a constant hydrostatic head, preferably of at least 15 cm.
  • On the side where the grout has been poured, allow 10 cm clearance between the side of the form and the base plate of the machine.
  • On the opposite side allow 5-10 cm clearance between the formwork and the base plate. AnchorPro flowable grouts are suitable for use with most types of pumping equipment.
  • AnchorPro Grout NS when bulked with aggregate as above should be placed and compacted by light rodding and tapping of formwork faces only. Mechanical vibration should NOT be utilized.
  • Immediately after AnchorPro Grout NS is placed, cover all exposed grout with clean damp hessian, and keep moist until grout is firm enough to accept a curing membrane.
  • Should the grout shoulders require finishing work, this should be carried out prior to the application of the curing membrane. We recommend the use of a curing membrane from our BondPro range. 
  • Pour AnchorPro Grout NS from one side only in a continual flow encouraging the discharge of air bubbles. The use of AnchorPro Grout NS for connecting precast concrete elements and the filling of rigid joints is recommended for a thickness of up to 60mm. It is not necessary to vibrate the grout mechanically. To facilitate the filling of spaces that are particularly difficult use an iron rod.
  • Shoulders
  • Due to differences in temperature between the grout under the base plate, and exposed shoulders that are subject to more rapid temperature changes, debonding and/or cracking can occur. Avoid shoulders wherever possible.
  • If shoulders are required, they should be firmly anchored with reinforcing to the substrate to prevent debonding.

Finishing:

 

Leveling and initial finishing should be carried out using a wooden or plastic float. Final finishing should be carried out using a steel float. When the material has stiffened to the point where finger pressure lightly marks the surface, a final firm troweling should be given using the steel float.

Curing:

 

  • Good curing is essential. Particular care is required in hot and/or windy conditions.
  • After casting, AnchorPro Grout NS must be properly cured; the surface of the repair exposed to the air must be protected from rapid water evaporation that can cause the formation of surface cracks due to plastic shrinkage. Spray water on the surface after 8-12 hours of laying the mortar & repeat the operation every 3-4 hours for at least the first 48 hours.
  • As an alternative, apply a single coat of anti-evaporant BondPro Cure RB curing membrane, which is compatible with most subsequent protective coatings, or by covering the work with a plastic sheet fixed over wet hessian or wet foam rubber.
Others
  • Try to avoid application during the hottest times of the day, and in direct sunlight.
  • The product can be used when the ambient temperature is between 5-50°C. In hot weather use cool water to bring the mixed grout temperature to <30°C.
  • The product should not be used when the temperature is below 5°C and falling. In cold weather use warm water to raise the mixed grout temperature to >10°C.
  • Do not add cement sand or any other additives which may affect its properties.
  • Do not add water or fresh mortar to the material that has begun to set. Just remix again for 1-2 minutes.
  • Do not proceed with the application when rainfall is imminent unless in a sheltered or protected situation.
  • Only full bags of the product shall be mixed by mechanical means with a slow-speed drill and spiral paddle.
  • The product should not be exposed to moving water during the application or prior to the initial set.
  • Mix only sufficient material that can be applied using available labor and equipment to ensure a continuous and uninterrupted application.
  • AnchorPro Grout NS should be laid at a minimum thickness of 25 mm and to a maximum depth of 100 mm. For grouting applications above 80 mm consider the use of AnchorPro Grout NS For applications below 25 mm consults Master Builders Solutions Technical Services Department for advice.
  • To simulate on-site conditions, it is necessary to restrain cubes for the first 24 hours immediately after casting.
  • Do not overwork and avoid using mechanical vibration
  • AnchorPro Grout NS expansion occurs both in the plastic and in the early hardened state. However, the expansion action exhausts mainly during the first 12 hours of curing.
  • Greater thicknesses may be achievable, de- pending upon repair configuration and location together with the volume of any reinforcing steel.
  • In conditions at or below the water table, use in conjunction with AnchorPro EP PC epoxy grout and/or waterproofing membranes.
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