construction chemicals

MegaTamir İ Yapısal
Cement Based Structural Repair Mortar With Thin Filling
PRODUCT DESCRIPTION
Cement based structural repair mortar with polymer and fiber additive and with fine
aggregate, which is resistant to temperature changes.
AREAS OF USE
MegaTamir İ Yapısal is used along with MegaFilm AK in indoors and outdoors spaces,
especially on underground, ground and underwater floors of all buildings, which are required
to be sulfate and chlorine-resistant, for waterproofing and beveling prior to final coating, for
repair, for surface smoothing, and for the repair of the concrete and appurtenances, which
may have been damaged due to abrasion by iron reinforcements. MegaTamir İ Yapısal
yields excellent results particularly in the case of beveling applications and the filling of rod
clearances and drilling core gaps.
PRODUCT ADVANTAGES
• Yields effective results in structural repair applications thanks to high compressions strength.
• Fit for use for the structural repair of any reinforced concrete construction elements.
• Poses very high bonding capability.
• Enables a lasting and smooth surface following the application.
• Does not contain sulfate and chloride ions.
• Resistant to water and frost.
• Prepared and applied easily.
PERFORMANCE
Compressive strength ≥ 25 MPa (R3) TS EN 196 - 1
Bonding through adhesion ≥ 1.5 MPa TS EN 1542
Chlorine Ion Content ≤ %0.05 TS EN 1015 - 17
The foregoing values represent the results of the laboratory tests conducted at 23 ± 2°C
temperature and 50% ± 5 relative humidity conditions. The values provided as per the table
may vary depending on the surface and ambient conditions.
REFERENCE STANDARDS
Certifications/Standards
TS EN 1504 - 3
Class: R3
Ministry of Public Works and Settlement Item No.
Ministry of Public Works and Settlement Item No.: 04.613/3A
QUALITY CERTIFICATES
Conformant to TS EN 1504 - 3.
APPLICATION PROCEDURE
Application Surfaces
Indoors and Outdoors Floors;
- Cement based trowel coating
- Concrete (MegaFilm or MegaFilm BB primer applied)
Indoors and Outdoors Walls;
- Cement based plaster (MegaFilm primer applied)
- Concrete (MegaFilm or MegaFilm BB primer applied)
Ceilings;
- Cement based plaster
- Concrete (MegaFilm or MegaFilm BB primer applied)
Surface Preparation
Concrete Surfaces;
• The application surfaces should be dry, clean, sound and dust-free, and should have been
cleansed of oil, dirt or any materials that may prevent adhesion, and any such materials as
mortar and cement residues should be scraped from the application surface.
• Upon the completion of the surface cleaning, MegaFilm primer should be applied in a
single coat with a brush and be left to dry for 1 to 2 hours in order to enhance the bonding
strength and stabilize the surface absorption.
• Exposed concrete surfaces should be applied MegaFilm BB exposed concrete primer in
single coat and be left to dry for minimum 3 hours prior to the application of the adhesive
mortar in order to enhance the adhesion strength.
Iron Reinforcements;
• Any rust on iron reinforcements, if applicable, should be cleaned.
• Two coats of MegaFilm AK should be applied with a brush on the iron reinforcement, and
MegaTamir İ Yapısal should be applied subsequently before the primer dries.
Application Methods
• MegaTamir İ Yapısal should be applied in equal thickness on all surfaces to be repaired or
smoothed.
• The surface should be finished with a moist sponge or a smoothing trowel following the
application.
Application Recommendations
• The product should, once mixed, be used before the expiration of its pot life. Any product,
the pot life of which has expired, should not be used during the application.
• Any such foreign substance as lime, cement or plaster should not be added to the mortar
prepared.
• Any extra water should not be added to the mixture.
• The product should not be applied on unsound surfaces. The soundness and the load
bearing capacity of old surfaces should be checked prior to adhesion.
• The surface should be preserved from air currents and water contact during and after the
application.
• The product should not be applied to such surfaces, which are exposed to risk of freezing
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within the next 24 hours, which are frozen or the frost of which is thawing.
• Due care should be taken to ensure that the material is not exposed to direct sunlight in hot
weather conditions, and the product should be mixed with cold water.
• The product should not be applied on extremely windy weather conditions or on hot
surfaces, which are exposed to direct sunlight; and in the cases, where application is
imperative under such conditions, the environment and the surface should be prepared for
application in advance.
• The product should not be applied in rainy weather conditions, and the application surface
should be preserved from rain for a period of 24 hours.
• Refer to our technical support hotline for recommendation on different surface applications.
(PHONE: 444 4 595)
Surface and Ambient Temperature
The surface and ambient temperature should be between +5°C and +30°C whilst at
application.
Application Limits
Useful time for prepared mortar - Pot life
Maximum 30 minutes
Application thickness
2 - 20 mm
Applicable coat thickness
Maximum 10 mm (single coat)
Required stand by period for secondary coat application
2 - 3 hours
Opening the traffic
Minimum 24 hours
The foregoing values represent the results of the laboratory tests conducted at 23 ± 2°C
temperature and 50% ± 5 relative humidity conditions. The values provided as per the table
may vary depending on the surface and ambient conditions.
APPLICATION INSTRUCTIONS
Mixing Ratio
The product should be mixed with water, weighing equal to 23 - 25 % of the product. (5.75
- 6.25 liters of water for a 25 kg package)
Mixing Equipment
• Low speed electrical mixer (400 cycles/min.)
• Special tip stirring equipment
Mixing Period
The product should be stirred with a low-speed mixer until any dry dust and globs are
eliminated. The mortar should, then, be stirred once again for 1 to 2 minutes after being had
settled for 2 to 3 minutes following preparation.
Application Equipment
• Steel trowel
• Smoothing trowel or moist sponge
Equipment Cleaning
The equipment used should be cleaned with water following the application before the
mortar dries.
TECHNICAL PROPERTIES
Chemical Structure: Cement based repair mortar with polymer and fiber additive
Dry Density: 1.20 ± 0.1 g/cm 3
Mortar Density: 1.60 ± 0.1 g/cm 3
Grain Size: ≤ 600 µm
Color: Gray
CONSUMPTION
Recommended consumption amount for application in roughly 2 mm thickness on 1 m 2
surface is 3.25 - 3.75 kg/m 2 . The said value may vary, depending on the surface and ambient
conditions.
PACKAGING
MegaTamir İ Yapısal is delivered in net 25 kg kraft bags, which are stowed in 54 pcs. on a
80 cm x 100 cm palette (1350 kg).
SHELF LIFE
The shelf life of the product is 12 months when stored within non tampered original
packaging in dry (maximum relative humidity 60 %) and cool (ambient temperature between
+5°C and +25°C) environment.
STORAGE CONDITIONS
The product should be stored within non tampered original packaging in dry (maximum relative
humidity 60 %) and cool (ambient temperature between +5°C and +25°C) environment.
It should not be exposed to direct sunlight.
The container of the product should be closed firmly when not used.
SAFETY PRECAUTIONS
Please refer to the Safety Data Sheet (SDS) as appropriate for easy and safe application.