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12-34 is a clear, water-based concrete curing compound that is formulated to ensure proper concrete strength development, prevent shrinkage cracks and leave a bondable surface for further coatings, treatments or flooring. This membrane-forming cure will not discolor concrete surfaces, nor does it need to be removed before applying further surface coatings. 12-34 is a premium cure, sealer, hardener and dust-proofer for new or aged concrete surfaces.
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Features
Non-yellowing
Neither improves nor hinders bondability of subsequent toppings or coatings to concrete
An entirely unique cure, sealer, hardener and dust-proofer
Membrane-forming, helping to reduce plastic shrinkage cracking
Does not contain any waxes, silicones or paraffins
Nonflammable
Ready-to-use formulation
No special cleaning required – just rinse equipment with water after use |
Usage
Concrete decks, floors, sidewalks and driveways
Architectural walls, columns and beams
Ideal for parking garages, warehouses, schools, food processing plants, hospitals, etc
Interior and exterior surfaces
Physical Properties
Finished appearance: Clear
Color: Light blue in container
Flash Point: None
Minimum storage temperature: 33°F (1°C)
VOC content: 0 g/L
Coverage
|
SURFACE FINISH |
COVERAGE RATE |
|
Sq. ft./gal |
M sq./L |
|
Rough finish |
300 |
7.4 |
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Broom finish |
300-400 |
7.4-9.8 |
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Steel troweled |
500-600 |
12.3-14.7 |
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Vertical surface |
400-500 |
9.8-12.3 |
|
Aged concrete |
300 |
7.4 |
* NOTE: Coverage varies with porosity of concrete. Product should never be puddled.
Packaging
5 gal./18.9 L pails
55 gal./208.2 L drums
275 gal./1,041 L totes |
Application
NEW CONCRETE:
Horizontal floors and slabs: After bleed water has disappeared and surface can support the weight of the applier, apply 12-34 with a low-pressure sprayer such as a Chapin sprayer equipped with a fan tip that produces a flow of 0.3-0.5 gal. (1.14-1.89 L) per minute under 40 psi (0.276 MPa) of pressure in a uniform and continuous manner. (See prescribed coverage rate table at left.) Avoid over-application. Do not allow material to puddle on concrete surface.
Vertical concrete
After stripping vertical framework, immediately apply 12-34 with a sprayer. Hold spray tip approximately 2 feet from the surface and apply in a uniform and continuous manner at 400-500 sq. ft./gal. Do not apply when temperature is below 40°F (4°C). Do not apply 12-34 over free-standing water.
SUBSEQUENT COATINGS
Allow new concrete to cure for 28 days before applying paint or other coatings. Application procedures do not supersede further surface coatings – see manufacturer's instructions.
Drying Time
At 72°F <50% humidity
Dry time to touch: 1 hr.
Light foot traffic: 2 hrs.
Normal traffic: 4 hrs.
Shelf Life
1 year in unopened container. Store above 40°F (4°C). |
Limitations
Must be agitated prior to use.
Do not dilute or alter in any way.
Do not apply to frozen surfaces or when temperature is below 40°F (4°C).
Protect material from freezing.
If white crystals begin to develop, this is an indication that too much material has been applied. Rinse over applied areas with water and squeegee off remaining puddles.
If material is sprayed on glass or other finished surfaces, quickly wipe up with warm soapy water.
May not be suitable on colored concrete applications. Always perform a small test or mockup.
Check with coating manufacturers for their preparation guidelines. These instructions do not supersede their guidelines. |
Cleanup
12-34 may be cleaned from equipment using soap and warm water. If material is accidentally sprayed on metal, aluminum, glass or painted surfaces, rinse immediately with water.
Cautions
Always wear protective goggles and gloves when using this product.
Do not take internally. If swallowed, do not induce vomiting. Contact a physician immediately.
If eye contact occurs, flush eyes with fresh water for 15 minutes and contact a physician.
Wash all exposed skin with soap and water after use.
Keep out of the reach of children.
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