Sika® Armatec®-110 EpoCem
BONDING PRIMER AND REINFORCEMENT CORROSION PROTECTION
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Sika® Armatec®-110 EpoCem is a cementitious epoxy resin compensated 3-component, solvent-free, coating material with corrosion inhibitor, used as bonding primer and reinforcement corrosion protection.
- Contains EpoCem® technology - improved bonding agent
- Extended open times for repair mortars
- Excellent adhesion to concrete and steel
- Contains corrosion inhibitor
- Good resistance to water and chloride penetration
- High shear strength
- Long pot life
- Can be brushed on or applied using spray gun
- Can be used exterior on-grade
- Excellent bonding bridge for cement or epoxy based repair mortars
- High strength, unaffected by moisture when cured
- Non-flammable, solvent free
Usage
- Suitable in concrete repair as corrosion protection for reinforcement
- Suitable as a bonding primer on mortar, steel, and on placing fresh, plastic concrete to existing hardened concrete
- Protection to reinforcing steel in areas of thin concrete cover
Advantages
- Contains EpoCem® technology - improved bonding agent
- Extended open times for repair mortars
- Excellent adhesion to concrete and steel
- Contains corrosion inhibitor
- Good resistance to water and chloride penetration
- High shear strength
- Long pot life
- Can be brushed on or applied using spray gun
- Can be used exterior on-grade
- Excellent bonding bridge for cement or epoxy based repair mortars
- High strength, unaffected by moisture when cured
- Non-flammable, solvent free
Packaging
| Unit | A | B | C | ABC |
| 3.5 gal (13.2 L) | 47.6 oz (1.4 L) | 122.1 oz (3.6 L) | 46.82 lb (21.3 kg) | A + B in carton, C in bag |
| 1.65 gal (6.2 L) | 22.7 oz (0.67 L) | 57.6 oz (1.7 L) | 5.5 lb (2.5 kg) (4 bags) | Factory-proportioned units in a pail |
Color
| Component A | White liquid |
| Component B | Colorless liquid |
| Component C | Gray powder |
Product Details
Chemical Base
Portland cement, epoxy resin, selected aggregates and additives.
Shelf Life
12 months from date of production if stored properly in original, unopened and undamaged sealed packaging
Storage Conditions
Store dry at 40–95 °F (4–35 °C)
Protect Component A and B from freezing. If frozen, discard.
Protect Component C from moisture. If damp, discard.
Compressive Strength
| 3 days | 4,500 psi (31.0 MPa) |
| 7 days | 6,500 psi (44.8 MPa) |
| 28 days | 8,500 psi (58.6 MPa) |
Flexural Strength
| 28 days | 1,250 psi (8.6 MPa) |
Splitting Tensile Strength
| 28 days | 600 psi (4.1 MPa) |
Tensile Adhesion Strength
Bond of steel reinforcement on concrete
| Sika® Armatec® 110 EpoCem coated | 625 psi (4.3 MPa) |
| Epoxy coated | 508 psi (3.5 MPa) |
| Plain reinforcement | 573 psi (4.0 MPa) |
Slant Shear Strength
Bonding agent properties (14 d. moist cure, plastic to hardened concrete)
| Wet on wet | 2,800 psi (19.3 MPa) |
| 24 hr. open time | 2,600 psi (17.9 MPa) |
Permeability to Water Vapor
| Control | 7.32 x 10-10 ft/sec |
| 145 psi (10 bar) | 8.92 x 10-15 ft/sec |
Diffusion Resistance to Water Vapor
μ H2O ~100
Permeability to CO2
μ CO2 ~14,000
Corrosion Test
Time-to-Corrosion Study
- Sika® Armatec®-110 EpoCem more than tripled the time to corrosion
- Reduced corrosion rate by over 40 %
Application
Fresh Mortar Density
A+B+C ~125 lb/ft3 (~2.0 kg/l)
Layer Thickness
| Min. thickness of 1 coat | Coat | |
| Bonding agent | 20 mils | 1 |
| Corrosion Protection | 20 mils | 2 |
Product Temperature
65°-75°F (18°-24°C)
Ambient Air Temperature
40–95 °F (5–35 °C)
Substrate Temperature
40–95 °F (5–35 °C)
Pot Life
~ 90 minutes
Waiting / Recoat Times
Sika repair mortars and non-fast setting concrete can be applied on Sika® Armatec®-110 EpoCem within a maximum time of:
| Temperature | Maximum Waiting Time |
| 80°- 95 °F (26°- 35 °C) | 6 hours |
| 65°-79 °F (18°- 26 °C) | 12 hours |
| 50°- 64° F (10°- 17° C) | 16 hours |
| 40°- 49° F (4°- 9° C) | wet-on-wet |
Coverage
| Bonding agent | 80 ft2/gal (7.4 m2/l) |
| Corrosion Protection | 40 ft2/gal (3.7 m2/l) |
(Coverage figures do not include allowance for surface profile and porosity or material waste)
MIXING
- Sika® Armatec®-110 EpoCem can be mixed with a low-speed (< 250 rpm) electric drill mixer.
- Shake components A and B thoroughly before opening.
- Pour liquid components A and B into a suitable mixing vessel and mix for 30 seconds.
- While still mixing components A and B slowly add powder component C.
- Mix the three components together for a minimum 3 minutes until blend is uniform and free of lumps, minimizing addition of air.
- Mix only the quantity that you can be applied within the pot life.
- DO NOT ADD WATER.
APPLICATION
As reinforcement corrosion protection
- Apply by stiff-bristle brush or spray at 80 ft2 /gal.
- Take special care to properly coat the underside of the totally exposed steel.
- Allow coating to dry 2-3 hours at 73 °F, then apply a second coat at the same coverage.
- Allow to dry again before the repair mortar or concrete is applied.
- Pour or place repair within 7 days
As a bonding primer
- Apply using a stiff-bristle brush or broom. To achieve good bond, Sika® Armatec®-110 EpoCem must be applied well into the substrate, filling all pores and ensure complete coverage of all surface irregularities (minimum layer thickness 1/64″ (0.5 mm).
- Spray apply with Goldblatt Pattern Pistol or equal equipment.
- Apply the freshly mixed patching mortar or concrete wet on wet, or up to the maximum recommended open time, onto the bonding slurry.
CURING TREATMENT
Sika® Armatec®-110 EpoCem must be protected against contamination and rain until application of the repair mortar.
CLEANING OF TOOLS
Clean all tools and application equipment with water immediately after use. Hardened material can only be mechanically removed.