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High Strength Dry Process Shotcrete Applied Material

PRODUCT DESCRIPTION Tasir®Structural Concrete Gunite is a dry process shotcrete applied, high strength, permanent concrete repair material. Tasir® Structural Concrete Gunite may be used from 1/4 inch (6 mm) to deep/full depth applications and provides a long finishing time. Tasir® Structural......

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PRODUCT DESCRIPTION

Tasir®Structural Concrete Gunite is a dry process shotcrete applied, high strength, permanent concrete repair material. Tasir® Structural Concrete Gunite may be used from 1/4 inch (6 mm) to deep/full depth applications and provides a long finishing time. Tasir® Structural Concrete Gunite provides increased corrosion protection of steel reinforced structures with migrating corrosion inhibitor technology and very low chloride ion permeability.


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ADVANTAGES

• Available in 3,000 Lb. bulk bag packaging for large volume applications

• Long finishing time

• High bond strength

• Low rebound

• Versatile - 1/4 inch (6 mm) to full depth applications

• High one and 28 day strengths

• Very low chloride ion permeability

• Excellent freeze/thaw resistance

• Outstanding corrosion resistance for protection and rehabilitation


USES

• Vertical and overhead repairs

• Repair of load bearing walls, ceilings and other structural members

• Structural repair for industrial plants

• Marine and hydraulic structure repair

• Sulfur pits


PACKAGING AND YIELD

Tasir® Structural Concrete Gunite  is packaged in heavy-duty polyethylene lined bags and is available in 50 Lb. (22.7 Kg) units yield- ing approximately 0.39 cubic feet (11.0 liters) at maximum water. Tasir® Structural Concrete Gunite is also available in 3,000 Lb. (1,360 Kg) bulk sacks for large volume applications.


SHELF LIFE

One year 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

1 Day

3,500 psi (24.2 MPa)

28 Days

8,000 psi (55.2 MPa)

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

3 Days

5,900 psi (40.7 MPa)

7 Days

7,400 psi (51.1 MPa)

28 Days

8,500 psi (58.7 MPa)

Bond Strength, ASTM C 882

7 Days

2,000 psi (13.8 MPa)

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 ( <1,000 Coulombs)

Working Time at 70°F (21°C)

60 minutes

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

 

PLACEMENT GUIDELINES

1. SURFACE PREPARATION: All surfaces in contact with Tasir® Structural Concrete 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. Featheredging is not desirable. 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 45°F and 90°F (7°C and 32°C) at the time of placement.

2. MIXING: The mixing equipment should be capable of maintaining placement continuously.

DRY MIX PROCESS: Predampen Tasir® Structural Concrete Gunite in a mortar mixer (stationary barrel with moving blades) prior to placement into gun or with a prehydration water ring equipped with a screen to avoid plug-ups. Avoid over dampening material. Do not dampen more material than can be placed within 60 minutes. Adjust consistency at nozzle.

3. METHODS OF PLACEMENT: Apply Tasir®Structural Concrete Gunite to full design thickness whenever possible. Overhead placement is applied in layers just thick enough to prevent sagging. Direct nozzle perpendicular to surface and rotate in a series of circular patterns, filling inside corners first. Tasir® Structural Concrete 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 and curing procedures, refer to ACI 506R-90, Guide to Shotcrete Report.

4. POST-PLACEMENT PROCEDURES:Tasir® Structural Concrete Gunite shall be coated with an approved curing compound meeting the water retention properties of ASTM C 309 immediately after finishing. Protect from excessive evaporation prior to set.

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


CONSIDERATIONS

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

• For cold and hot weather placement, refer to Tasir Instruction or call Tasir Products'Engineering and Technical Service

Center at +86-571-87569602.

• Repair material shall be protected from freezing until it reaches 1,000 psi (6.9 MPa).

• Placement shall be continuous to avoid cold joints.


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.

SKU / PRODUCT CODE

DESCRIPTION

# UNITS/PALLET

UNIT SIZE

SCG

Tasir®Structural Concrete 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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