Our Product Range
|Appearance||Free flowing grey powder|
|Compressive Strength,N/mm2(Typical) at 27 D C,as per IS 4031||Free flowing Mix ( W/P=0.15),Typical|
|Free linearExpansion,ASTM C 827||0-2%|
|Coefficient of ThermalExpansion, per D C||11-12x10-6(Similar to Concrete)|
|Young's Modulus, N/mm2||2700|
|Fresh wet density, kg/m3||2100-2250|
|Material required for 1m3Volume of Grout, kg||1850-1950|
|28 days Comp. Strength,Blended with 50% 10mmaggregate||43N/mm2(Typical) at 27 D C|
EXCEM MC 40 is asingle component cementitious, polymermodified repair mortar to provide high strength properties. Thisis used as a micro concrete material to repair damaged concreteespecially in restricted accessible areas .It is based on cement,graded aggregates and special additives.EXCEM MC40can beapplied in thickness up to 100 mm thickness. It is suitable to applyby trowel, knife, hand or pump. More Layer thickness can beachieved in repeated layers. It is used as a pre-mixed mortar forconcrete repairs and structural strengthening.
Domains of Application:
EXCEM MC40 is a cementitious repair compound which is used toreinstate damaged and deteriorated concrete for structuralrepairs and strengthening
Method of Application:Surface Preparation:
Surface laitance and unsound concrete must be chipped awayandsmooth surface should be made reasonably roughed toprovide proper bonding between old concrete to new microconcrete,. After cleaning, saturate the concrete surfaces withclean water. Ensure that the formwork has suitable drainageoutlet for excess waterso that no free standing water is presenton surfaces before applying ofEXCEM???MC 40
Use mechanical mortar mixers, preferably of the slow speed (250-350 rpm) paddle mixer or revolving drum type mixer. Hand mixingrarely achieves the desired result. Allow approx 5 minutes formixing. Thorough mixing is essential for achieving maximumresults. Add EXCEM MC 40 slowly into recommended amount ofclean water in a mixer. Use as little water as is required for easeof placement.
In order to prevent air voids apply mixed EXCEM-MC 40from one sideor corner only. EXCEM-MC 40 should beplaced within half an hour of mixing. During that timekeep material in mixer well agitated. After half an hourdiscard any mix that shows signs of stiffening. Flowablemix may be used with low pressure cement groutingequipment or may be hand rodded into restrainedsections. High points must be adequately vented to allowentrapped air to escape. Plastic mortar may be roddedinto place or trowel handled where freedom ofmovement permits. Consistency can range from thickcream to smooth plastic.For large volume of placementareas EXCEM MC 40 may be pumped with a heavy dutydiaphragm pump, screw or any other standard pump.
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