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GEL PASTE STATE
|Consistency: ASTM C 881||PASS|
|Slant Shear Bond Strength ASTM C 882
@ 2 Days
@ 14 Days
|3,000 PSI (19.3 MPa)
3,800 PSI (20.7 MPa)
|Absorption ASTM D 570||0.84%|
|Heat Deflection Temperature ASTM D 648||125ºF (51.7ºC)|
|Linear Coefficient of Shrinkage ASTM D 2566|
|Compressive Yield Strength: ASTM D 695
@ 7 Days
|10,500 PSI (72.4 MPa)|
|Compressive Modulus: ASTM D 695
@ 7 Days
|500,000 PSI (3,448 MPa)|
|COLOR:||PART A WHITE
PART B BLACK
|MIX RATIO||1:1 By Volume|
|POT LIFE||5-10 Minutes at 77ºF|
|CURE TIME||7 Days at 77ºF|
|SHELF LIFE||1 Year|
|COVERAGE||1 Gallon Neat yields 231 cubic inches|
10 Gallon (37.85 liter) Units
20 Ounce (591 milliliter) Unitized Cartridges
|ASTM C 881||Type I, II, IV, & V|
|Grade 3, Classes B & C|
|AASHTO M 235||Type I, II, IV & V|
|Grade 3, Classes B & C|
|City of Los Angeles||R.R. #25247|
Condition all components to 60º-85ºF for 24 hours prior to use. Pre-mix each component. Mechanically mix at slow speed (600-900rpm) using a drill and Jiffy® Blade or drum mixer for 3 minutes or until completely mixed while scraping the sides to ensure complete blending of components. The mixed product should be uniform gray in color and not show streaks. Avoid air entrapment. Mix only very small quantities by hand for a minimum of 3 minutes or until sufficiently blended together using the supplied stirring stick. Scrape the sides of the container to ensure complete blending of the components. Mix only the amount of epoxy that can be applied within the product’s potlife. Potlife will decrease as the ambient temperature and/or mass size increases.
METAL ANCHORS IN PREFORMED HOLES IN CONCRETE: Preformed holes should be approximately ¼" (6.35mm) larger in diameter than the anchor bolt diameter. The depth of the hole should be 10-15 times the bolt diameter. Fill the hole from the bottom up, about half way with mixed epoxy and place the bolt, dowel or rebar. Top off with more epoxy and finish. All anchoring and doweling configurations must be approved or designed by an engineer.
CRACKS IN VERTICAL OR OVERHEAD STRUCTURES:
For non-moving cracks and joints, use a trowel
to apply the paste full depth and strike off flush at the surface in a single pass. For structural crack injection repairs, use a dual-component gel pump.
PATCHES IN CONCRETE STRUCTURES: GEL PASTE makes a high-strength material for patching, topping, grouting and repairing spalls and other defects in concrete. Average thickness of the patch or topping should be no greater than ¼ to ½" (6.35 to 12.7mm) per lift.
SURFACE SEALING: Apply mixed epoxy over entire length of crack to be pressure injected. Ensure complete encapsulation to avoid leaking. Adjacent concrete surfaces must be mechanically abraded to ensure a proper bond. Allow for suitable cure time prior to injecting.
OTHER BONDING: To bond
cured concrete or metal to concrete, apply a layer no less than a 1/64"
(.40mm) to the prepared surface and join immediately. No firm clamping pressure
is necessary beyond what will hold parts in place. When bonding fresh concrete
to cured concrete, apply GEL PASTE at approximately
85-100 ft²/gal. (2.1-2.4 m²/L). NOTE: Cured concrete surfaces to be bonded should be at least 28 days old.
CLEANUP: Tools and equipment should be cleaned immediately with Toluene or Xylene. Clean equipment away from heat, sparks and open flame and avoid breathing vapors or allowing epoxy-containing solvent to contact skin. Should this material come in contact with the skin, wash thoroughly with soap and water; not solvent.
Not recommended for use when the concrete temperature has been below 40ºF for the past 24 hours. Do not thin with solvents or use to seal cracks under hydrostatic pressure. Do not warm epoxy over direct heat . . . use the double-boiler method or store material in warm room for 24 hours prior to application. Unused epoxy will generate excessive heat, especially in large quantities. Unused epoxy should be mixed with dry sand in the container to help lower the heat.
Refer to Product Material Safety Data Sheet for complete Health and Safety Information.
This material last updated December, 2001.
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