POLYBAC #1257-58 - POLYGEM, Inc.

3. PRODUCT DESCRIPTION
POLYBAC® #1257-58 Polymer Anchoring System is a 100% solids, two component, structural epoxy designed for use in anchoring threaded rod, bolts, reinforcing bars and smooth dowels in solid concrete. POLYBAC® #1257-58 is moisture insensitive and bonds to damp or dry surfaces.

POLYBAC® #1257-58 is a thixotropic, amine based adhesive that exhibits excellent adhesion to concrete, as well as, fast setting characteristics. It can be used vertically, horizontally or with screen tubes for anchoring in hollow masonry walls.

POLYBAC® #1257-58 is available in bulk containers or cartridges. The bulk adhesive can be dispensed with an air-powered machine while the cartridges can be dispensed with a pneumatic or manually operated gun. Cartridge sizes available are 22oz, 11oz. and 5oz.

Advantages / Features

I.C.B.O
MEETS ASTM C-881-90, TYPE IV & V, GRADE 3, CLASS B & C
LOW ODOR
RAPID CURE
100% SOLIDS-NO SOLVENTS
EXCELLENT ADHESION TO CONCRETE
PROTECTS AGAINST CORROSION
EASILY MIXED AND DISPENSED
APPLIED VERTICALLY OR HORIZONTALLY
MOISTURE INSENSITIVE
HIGH STRENGTH

4. APPLICATION INSTRUCTIONS

Surface should be prepared by using conventional cleaning methods such as acid etching, disc grinding, sand blasting or mechanical abrasion. The surface should be free of loose materials, paints, sealants or oils. Use #20 solvent to remove oils and dirt.
Cut static mixer tip to second notch making sure the opening is obstruction free. Remove cap and plugs from cartridge.
Place static mixer over cartridge and tighten nut. Load into dispensing gun of choice.
Dispense and discard a bead of material until color is uniform before use.
Drill hole to correct diameter and depth. (At least 9 times diameter of rod.)
Clean hole with nylon brush and blow or flush dust out of hole.
Dispense epoxy into hole, filling from the bottom to avoid air pockets.
Insert anchor slowly, turning anchor during the insertion.
Heat hole.with torch if temperatures are below 32°F. Maintain epoxy above 50°F for maximum adhesion to concrete and easy dispensing.

Consult Polygem for additional technical instructions

Packaging
2 Gallon, 10 Gallon, 100 Gallon
22 oz., 11 oz., 5 oz. Cartridges

5.TECHNICAL DATA

Performance Properties

Test Test Method Results

Compressive Strength ASTM D-695 14,528 psi (min)

Compressive Modulus ASTM D-695 801,089 psi (min)

Tensile Strength ASTM D-638 9,759 psi (min)

Tensile Elongation ASTM D-638 1%

Linear Coefficient of Shrinkage ASTM D-2566 .003

Heat Deflection ASTM D-3418 145°F

Slant Shear ASTM C-882 2 Days 2180 (Type IV)

Slant Shear ASTM C-882 14 Days 2450 (Type IV) 1760 (Type V)

Gel Time @ 75°F 30 Minutes

Pot Life @ 75°F 15 Minutes

Cure Time @ 75°F 90 Minutes

Ratio 1:1 by volume

Color Gray

Polygem, Inc. warrants its products to be free of manufacturing defects and that, at the time and place of shipment, our material will meet current physical properties when applied within Polygem’s directions and tested in accordance with ASTM and Polygem standards. Polygem, Inc’s liability is limited to replacement of material found defective. As Polygem, Inc. has no control over the use to which others may put its products, it is recommended that the product be tested to determine if suitable for a specific application and/or our information is valid in a particular circumstance. Responsibility remains with the architect or engineer, contractor and owner for the design, application and proper installation of each product. Nothing contained herein shall be construed to be a recommendation to use or as a license to operate under or to infringe any existing patents.

Data sheets are subject to change without notice, for latest revision check our website at www.polygem.com