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Fast Turnaround Dry Process Shotcrete Repair Material

PRODUCT DESCRIPTION Tasir® -Strcon Gunite is a dry process shotcrete applied, high early strength permanent concrete repair material. Containing migrating corrosion inhibitor technology, Tasir® -Strcon Gunite produces a repair which is dimensionally stable, develops an integral bond to the......

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PRODUCT DESCRIPTION

Tasir® -Strcon Gunite is a dry process shotcrete applied, high early strength permanent concrete repair material. Containing migrating corrosion inhibitor technology, Tasir® -Strcon Gunite produces a repair which is dimensionally stable, develops an integral bond to the existing concrete, and restores structural integrity within hours of placement. Moisture sensitive coatings can be applied in 8 to 24 hours.


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ADVANTAGES

● Single component

● High three hour strengths

● Vertical and overhead repairs

● Excellent resistance to sulfates

● Cold weather installation

● Excellent freeze/thaw resistance

● High bond strength

● Very low chloride ion permeability

● Application thickness down to 1/4 inch (6 mm)

● Can be coated in 8 to 24 hours

● Outstanding corrosion resistance for protection and rehabilitation


USES

● Rapid repair of load bearing walls, ceilings and other structural members

● Rapid repairs during shutdown

● Rapid structural repair for industrial plants

● Marine and hydraulic structure repairs

● Cold weather repair


PACKAGING AND YIELD

Tasir® -Strcon Gunite is packaged in heavy-duty polyethylene lined bags and is available in 50 lb. (22.7kg) units yielding approximately 0.42 cubic feet (11.9 liters) at maximum water.


SHELF LIFE

One year in original unopened packaging in original unopened packaging when stored in dry conditions; high relative humidity will reduce shelf life.

TYPICAL PROPERTIES AT 70°F (21°C)

Compressive Strength, ASTM C 109

3 Hours

2,500 psi (17.3 MPa)

1 Day

4,000 psi (27.6 MPa)

28 Days

6,000 psi (41.4 MPa)

Compressive Strength, ASTM C 42 in accordance with ACI 506R-90

3 Days

5,000 psi (34.5 MPa)

7 Days

5,800 psi (40.0 MPa)

28 Days

7,000 psi (48.3 MPa)

Bond Strength, ASTM C 882

1 Day

2,000 psi (13.8 MPa)

Linear Length Change, ASTM C 157

28 Days Wet

+0.03%

28 Days Dry

-0.05%

Thermal Coefficient of Expansion, ASTM C 531

5.0 x 10-6 in/in/°F (9.0 x 10-6 mm/mm/°C)

Chloride Ion Permeability, ASTM C 1202

28 Days

Very Low ( <1000 Coulombs)

Working Time at 70°F (21°C)

10 minutes

*The data shown above reflects typical results based on laboratory testing under controlled conditions. Reasonable variations from the data shown above may result. Test meth- ods are modified where applicable.

 

PLACEMENT GUIDELINES

1. SURFACE PREPARATION: All concrete surfaces in contact with Tasir® -Strcon Gunite shall be free of oil, grease, laitance, and other contaminants. Concrete must be clean, sound and rough to ensure a good bond. Mechanically roughen concrete surfaces in accordance with ICRI Technical Guideline 03732 to a minimum concrete surface profile roughness (CSP 6 or greater). Remove all oxidation from exposed reinforcing steel. A perimeter edge and minimum depth of 1/4 inch (6 mm) should be provided for a durable repair. Soak concrete surfaces prior to application with liberal quantities of potable water leaving the concrete saturated and free of standing water. Surfaces shall be conditioned to between 35°F and 90°F (2°C and 32°C) at time of placement.

2. MIXING: The mixing equipment should be capable of maintaining continuous placement and equipped with a screen to avoid plug-ups.

DRY MIX PROCESS: Pre-dampen Tasir® -Strcon Gunite either in a mortar mixer prior to placement into gun or with a pre-hydration water ring. Avoid over dampening material. Do not pre-dampen more material than can be placed within ten minutes. Adjust consistency at nozzle.

3. METHODS OF PLACEMENT: Apply Tasir® -Strcon Gunite to full design thickness whenever possible. Overhead placement is applied in layers thick enough to prevent sagging. Direct nozzle perpendicular to surface and rotate in a series of circular patterns, filling all inside corners first. Tasir® -Strcon Gunite should emerge from the nozzle in a uniform, uninterrupted flow. Finish to desired texture with screed, float, trowel, or brush. For more detailed application procedures, refer to ACI 506R-90, Guide to Shotcrete Report.

4. POST-PLACEMENT PROCEDURES: Tasir® -Strcon Gunite shall be kept continuously wet for one to four hours, depending on the volume and depth of the placement. Wet curing shall begin as soon as the material has reached final set.


CONSIDERATIONS

● Temperature of materials, equipment and surfaces must be between 35°F and 90°F (2°C and 32°C) at time of placement. For cold and hot weather procedures, refer to Tasir instruction.

● Never exceed the maximum water content as stated on the package.

● Minimum application thickness is 1/4 inch (6 mm). For larger applications and thicknesses greater than three inches (75 mm), contact Products'Engineering and Technical Service Center at +86-571-87569602.

● Substrate shall be free of frost and ice.

● Repair material shall be protected from freezing until a compressive strength of at least 1,000 psi (6.9 MPa) is reached.


CAUTION

Contains cementitious material and crystalline silica. International Agency for Research on Cancer has determined that there is sufficient evidence for the carcinogenicity of inhaled crystalline silica to humans. Take appropriate measures to avoid breathing dust. Avoid contact with eyes and contact with skin. In case of contact with eyes, immediately flush with plenty of water for at least 15 minutes. Immediately call a physician. Wash skin thoroughly after handling. Keep product out of reach of children. PRIOR TO USE, REFER TO SAFETY DATA SHEET.

For worldwide availability, additional product information and technical support, contact your local Tasir distributor, local sales representative, or call Tasir Products'Engineering and Technical Service Center at +86-571-87569602.

NOTE: PRIOR TO APPLICATION, READ ALL PRODUCT PACKAGING THOROUGHLY. For more detailed placement procedures, refer to Tasir® installation guidelines or call Tasir® Products'Engineering and Technical Service Center at +86-571-87569602.

SKU / PRODUCT CODE

DESCRIPTION

#UNITS/PALLET

UNIT SIZE

SCG

Tasir® -Strcon Gunite

56

50 lb. (22.7 kg.) Bag

WARRANTY:“Tasir PRODUCTS ARE MANUFACTURED TO BE FREE OF MANUFACTURING DEFECTS AND TO MEET FSP'S CURRENT PUBLISHED PHYSICAL PROPERTIES WHEN APPLIED IN ACCORDANCE WITH Tasir'S DIRECTIONS AND TESTED IN ACCORDANCE WITH ASTM AND Tasir STANDARDS. HOWEVER, SHOULD THERE BE DEFECTS OF MANUFACTURING OF ANY KIND, THE SOLE RIGHT OF THE USER WILL BE TO RETURN ALL MATERIALS ALLEGED TO BE DEFECTIVE, FREIGHT PREPAID TO Tasir, FOR REPLACEMENT. THERE ARE NO OTHER WARRANTIES BY Tasir OF ANY NATURE WHATSOEVER, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IN CONNECTION WITH THIS PRODUCT. Tasir SHALL NOT BE LIABLE FOR DAMAGES OF ANY SORT, INCLUDING PUNITIVE, ACTUAL, REMOTE, OR CONSEQUENTIAL DAMAGES, RESULTING FROM ANY CLAIMS OF BREACH OF CONTRACT, BREACH OF ANY WARRANTY, WHETHER EXPRESSED OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR FROM ANY OTHER CAUSE WHATSOEVER. Tasir SHALL ALSO NOT BE RESPONSIBLE FOR USE OF THIS PRODUCT IN A MANNER TO INFRINGE ON ANY PATENT HELD BY OTHERS.”


Tasir Construction Material&Technology Corporate Headquarters

Tianda Block, Jianggan District, Hangzhou City, Zhejiang Province, China

 

Specifications Subject to Change.

For most current version of datasheet, go to groutmaterial.com

© 2018Tasir Construction Material&TechnologyCp.,Ltd | 08-21-2018 Rev. H | China Owned & Operated

Tel: +86-571-28119206 

Fax: +86-571-28197878

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