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Water-based epoxy-cementitious bonding agent and rebar coating
MasterEmaco® P124 is a water-based epoxy-cementitious bonding agent. It will bond concrete and mortar up to 24 hours after application. MasterEmaco® P124 is also used to coat and protect rebar.
One unit of MasterEmaco® P124 bonding agent will yield 2.7 mixed gallons (10.2 L). The coverage is 80 ft2/ gallon (2.0 m2/L) at a thickness of 20 mils (0.5 mm).
MasterEmaco® P124 bonding agent is a 3-part system consisting of:
Part A: 0.42 gallons (1.6 L) epoxy resin
Part B: 0.42 gallons (1.6 L) epoxy hardener
Part C: 31 lbs (14.1 kg) cementitious component
1 year when properly stored
Store in unopened containers at 60 to 80° F (16 to 27° C) in clean, dry conditions. If Part A or Part B freeze, discard.
Where to Use - APPLICATION
Bonding plastic concrete to hardened concrete
Coating steel rebar to protect against corrosion
Areas where short open times prevent the use of traditional epoxies
How to Apply - Surface Preparation
1. Remove deteriorated concrete around rusting rebar to expose sound concrete. The clean substrate must be alkaline (pH above 9.5) and free of harmful salts, oil, rust, dust, and other contaminants.
2. Remove rust and mill scale by gritblasting. Blast steel to white metal. Follow gritblasting with vacuuming or oil-free dry-air blast (refer to SSPC-SP-10 or NACE-2).
3. The surface should be saturated surface-dry (SSD) without any standing water.
4. For additional information, refer to International Concrete Repair Institute (ICRI) Surface Preparation Guidelines for the Repair of Deteriorated Concrete Resulting from Reinforcing Steel Oxidation (No. 03730).
Pour contents of Part A and Part B into a clean mixing bucket and blend the 2 components for 2 minutes. Slowly add all of Part C. Never add water. Use a Jiffy paddle and a drill to properly mix the product. NOTE: Mix the entire unit; do not mix partial units.
Apply with a stiff-bristled broom or sprayer. With any method, be sure to work the bonding agent thoroughly into the substrate. When Emaco® P24 is used as a bonding agent, the appropriate thickness is 20 mils (0.5 mm); when used for reinforcement protection, the minimum thickness is 20 mils (0.5 mm) (2 coats of 10 mils [0.25 mm] each). Keep bonding agent protected in direct sunlight and in temperatures above 95° F (35 °C).
Clean up with soap and water. Dried material must be removed mechanically.
MasterEmaco® P124 Full Documentation
Formerly Known as: Emaco p24.
> MasterEmaco P124 (Formerly: Emaco P24)