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Sika MonoTop®-610
Bonding primer and reinforcement corrosion protection cement based slurry
Sika MonoTop®-610 is a cementitious, polymer modified one-component coating material containing silica fume used as bonding primer and reinforcement corrosion protection. Suitable for use in hot and tropical climatic conditions.
- Easy to use, just add water
- Good adhesion to concrete and steel
- Good resistance to water and chloride penetration
- Can be applied with a brush or by wet spray technique
- Good mechanical strength
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Usage
- Suitable as a bonding primer as part of a concrete repair system
- Suitable as reinforcement corrosion protection as part of a concrete repair system
Advantages
- Easy to use, just add water
- Good adhesion to concrete and steel
- Good resistance to water and chloride penetration
- Can be applied with a brush or by wet spray technique
- Good mechanical strength
Packaging
25 kg bags
Colour
Pink / grey powder
Product Details
Composition
Portland cement, silica fume, re-dispersible polymer powder, selected aggregates and additives
Shelf life
12 months from date of production.
Storage conditions
Store properly in undamaged original sealed packaging, in dry cool conditiones between +5 °C and +35 °C. Protect from direct sunlight, heat and moisture.
Tensile Strength in Flexure
≥ 5.5 N/mm2 (w/p=0.2) | (ASTM C348) |
Tensile Adhesion Strength
~2.0 MPa (28 d) (w/p=0.2) | (EN 1542) |
Application
Mixing Ratio
For brush application ~5.25 litre water (21%) per 25 kg bag
For spraying application ~5.0 litre water (20%) per 25 kg bag
Fresh Mortar Density
~2.0 kg/l
Layer Thickness
As bonding primer - sufficient to coat the concrete surface in a thin layer filling uneveness, pores and pits.
As reinforcement corrosion protection - 2 mm minimum thickness
Ambient Air Temperature
+5 °C minimum; +35 °C maximum
Substrate Temperature
+5 °C minimum; +35 °C maximum
Pot Life
~100 minutes (+20 °C)
Waiting Time / Overcoating
Apply concrete repair wet on wet with bonding primer
Apply concrete repair wet on dry reinforcement corrosion protection
Consumption
As Bonding Primer - This depends on the substrate roughness and thickness of layer applied. As a guide, ~1.5 - 2.0 kg of powder per m2 per mm thick.
As Reinforcement Corrosion Protection - As a guide, ~2.0 kg of powder per m2 per 1 mm layer thickness
Yield
25 kg of powder yields approximately 15.0 litres
MIXING
Sika MonoTop®-610 can be mixed with a low speed (<500 rpm) hand drill mixer.
Pour the recommended water in a suitable mixing container. While stirring slowly, add the powder to the water and mix thoroughly at least 3 minutes.
APPLICATION
As Bonding Primer:
Thoroughly pre-wet the prepared substrate a recommended 2 hours before application. Keep the surface wet and do not allow to dry. Before application remove excess water e.g. with a clean sponge. The surface shall appear a dark matt appearance without glistening and surface pores and pits shall not contain water. Application by clean brush, roller or suitable spraying equipment cover the substrate in a thin layer filling all unevenness, pits and pores.
As Reinforcement Corrosion Protection:
Using a suitably clean brush or spraying equipment apply a first layer to cover the reinforcement bars approximately 1 mm thick. When first coat is hard to the finger nail, apply second layer approximately 1 mm thick. If using a spray method, protect substrate from excessive over-spray, wiping away any accumulation of material and wait until Sika MonoTop®-610 cured, before to apply repair mortar ('wet on dry' application).
CURING TREATMENT
As reinforcement corrosion protection - protect the fresh mortar immediately from premature drying and contamination using an appropiate curing method.
CLEANING OF EQUIPMENT
Clean all tools and application equipment with water immediately after use. Hardened material can only be mechanically removed.