Clean the surface and remove loose concrete, dust, oil, paint, grease, waterproof coating, etc.
Expose fully any corroded steel in the repair area and remove all scale and corrosion deposits.
Light shotblasting is highly recommended. Apply Dr. Fixit Rust Remover for rust free bars.
For Cathodic Protection, apply Dr. Fixit Epoxy Zinc Primer over the cleaned re-bars and allow it todry before pouring of Dr.Fixit Micro Concrete.
Saturate the substrate with water to prevent absorption of water from the mixed material.
In case of a very old concrete substrate, it should be primed by applying one coat of Dr. Fixit Epoxy BondingAgent. Allow the bonding agent to reach tacky condition before pouring of mix concrete.
MIXING
Use PAN Mixer for mixing of Dr. Fixit Micro Concrete.
Charge 85-90 % of clean & potable mixing water (3.75 to 4 liters per 25 kg bag) to a PAN Mixer.
Start addition of Micro Concrete powder slowly under continuous mixing.
Keep mixing for 2 minutes. Addbalance quantity 15 20% of mixing water & again mix for another 2-3 minutes to form a homogeneous, freeflowing, uniform & lump-free mix.