Hind HSMC


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Description

USES 

Hind HSMC is used for repairs to damaged reinforced concrete members, for cover replacing concrete, resistance to weathering action, and places where free flow concrete is required to be placed and vibration is difficult. Most suitable for structural repairs of columns, beams by means of encasement, jacketing etc.

ADVANTAGES 

  • Free Flow
  • High Strength
  • Pre weighted and packed so site batching faults are minimized.
  • Fast strength gain
  • Non shrink
  • Resistant to weathering action for having low permeability.
  • Chloride free.

APPLICATION 

Preparation of surface

The surface of old concrete member should be properly prepared by chipping off all the loose concrete, exposed reinforcements should be cleaned and de-rusted manually or mechanically, anticorrosive coating of acrylic or epoxy base like Hind Anti Rust or Hind Anti Rust EZ to be applied on the de-rusted reinforcement, bonding coat based on Epoxy or Polymer latex like Hind Bond EBA or Hind Styrene BR to be applied on the surface of concrete, steel or plywood shuttering to be fixed within the time the bonding coat becomes tacky and does not set.

 MIXING 

The micro concrete to be mixed in the ratio of 1:0.5 to1:0.75 (1 part powder of micro concrete chemical : 0.5 to 0.75,  12 mm down silt free stone aggregate) with a Water : Powder ratio of 0.21 .The micro concrete chemical and the coarse aggregate is to be dry mixed thoroughly first and then it is to be slowly poured in pre measured water in a mixing container and stirred thoroughly manually or by a power paddle to obtain a free flow uniform pourable mix.

POURING/PLACING 

The mixed material is then poured manually or pumped into the gap between the concrete members and shuttering to get a self compacted screen concrete of thickness between 40mm to 125mm.No vibration is required except gentle tamping by a light weight tool.

PROPERTIES 

Compressive Strength 7 days   –    40N/mm228 days  –    50N/mm2
Tensile Strength 2N/sq.mm
Flexural Strength 5N/sq.mm
Specific Gravity 2100Kg/Cu.m
Expansion 0.1 to 0.5 %

CONSUMPTION 

25 Kg of Hind HSMC will yield approximately 12 Litre fluid grout. The actual yield will depend on the quantity of coarse aggregate added.

PACKING 

5, 25 Kg in HDPE Bags

SHELF LIFE 

6 months from the date of manufacture in unopened condition. To be stored in a cool and dry covered space away from direct sunlight.

HANDLING PRECAUTION 

Hind HSMC is non-toxic and ingestion is to be avoided.  If contacts with eyes occur, wash well immediately with water and seek medical advice.

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