Mcon Rasayan Pvt. Ltd.

Mcon Rasayan Pvt. Ltd.

TRUSTED PARTNER IN CONSTRUCTION CHEMICALS

IGBCMM200239

IGBCMM200239

MCON Super add

MCON Super add

PLASTICISED EXPANDING GROUT ADDITIVE MCON SUPER ADD is used as a cementitious grout additive where a low water/cement ratio and a medium expansion are required. The material is a combination of a plasticizing agent, and a gas producing expansive medium, with suitable fillers; which generates gas during the hydration process before the initial set takes place, counteracts the natural settlement and shrinkage of the grout. Features & Benefits Improved fluidity so ideal for injection grouting. Increased cohesion. Volume expansion in the wet state to develop non-shrink property. Chloride free – does not attack reinforcement or prestressed cables. Non-shrink property ensures retention of original volume. Reduced water/cement ratio ensures low permeability and long term performance in service. High compressive strength in the range of 40N / mm2 after 28 days, when using good OPC. Facilitates the production of a cohesive grout.

PLASTICISED EXPANDING GROUT ADDITIVE
MCON SUPER ADD is used as a cementitious grout additive where a low water/cement ratio and a medium expansion are required. The material is a combination of a plasticizing agent, and a gas producing expansive medium, with suitable fillers; which generates gas during the hydration process before the initial set takes place, counteracts the natural settlement and shrinkage of the grout. Stability and cohesion of grout are greatly increased. The selected fillers used, ensure uniform mixing. MCON SUPER ADD gives controlled expansion to avoid excess pressure built up but sufficient pressure is developed to provide complete contact of the grout with the bearing surfaces, without voids.

Usage
MCON SUPER ADD is used for Bed grouting, non-shrink in filling and jointing, joint filling between precast concrete units, grouting of voids in structural members, grouting of pipe joint and normal repair work where shrinkage must be avoided.

Features & Benefits
Improved fluidity so ideal for injection grouting.
Increased cohesion.
Volume expansion in the wet state to develop non-shrink property.
Chloride free – does not attack reinforcement or prestressed cables.
Non-shrink property ensures retention of original volume.
Reduced water/cement ratio ensures low permeability and long term performance in service.
High compressive strength in the range of 40N / mm2 after 28 days, when using good OPC.
Facilitates the production of a cohesive grout.

Specification

Technical Detail

  • Nature : Cementitious grey powder.
  • Compressive Strength : The plasticizing action of MCON SUPER ADD.allows reduction of the water cement ratios of cementitious grouts whilst maintaining flow properties.
  • Chloride Content : Nil.
  • Time For Expansion : 15 minutes – 2 hours.
  • Temperatures : Above 20o C may slightly reduce these times.

 

Method of Application :

MIXING :

For best results a mechanically powered grout mixer must be used. For quantities upto 50kg, a slow speed drill fitted with a high shear paddle is suitable. Large quantities will require a high volume drum mixer. It is essential that machine mixing capacity and labor availability is adequate to enable the grouting operation to be carried out continuously. The cement (and sand if required) shall be slowly added to MCON SUPER ADD. Mixing shall be continued for 5 minutes, making sure that a smooth even consistency is obtained.

APPLICATION :

It shall be ensured that areas to be grouted are clean, sound, and then pre-wetted. The unrestrained surface area of the grout must be kept to a minimum. The grout shall be placed within 20 minutes of mixing to gain the full benefit of the expansion process.

CURING :

On completion of the grouting operation, any exposed areas which are not to be cut back should be thoroughly cured by means of water application or wet hessian.

 

Storage and Shelf life :

12 months from manufacture in original unopened bags if stored in dry conditions.

 

Packing

200 gms Pouch , 25 kg in moisture-resistant bags.

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