Search Catalog   By Item #By Keyword         All Categories    PolyBond 300 All Categories > Bonding Compounds > PolyBond 300  > Item # PolyBond - 300   Item # PolyBond - 300 PolyBond-300     Printable Page       Email This Page       Save To Favorites    larger image PolyBond-300 Epoxy Bonding Compound for bonding fresh concrete to old concrete, wood or metal Polybond - 300 is a 100% solid epoxy system which is used for bonding new concrete to old concrete. It meets ASTMC-881-76-1987, Type II, Grade II, Class C. It meets AASHTO M-235 Class III specifications.  PROPERTIES   USES   ADVANTAGES   SURFACE PREPARATION   TEMPERATURE LIMITATION   CHEMICAL RESISTANCE   PACKAGING    PROPERTIES at 75°F and 50% Humidity Tests Results Test Method   PolyBond 300  |  PolyBond 300 Gel   Mixing ratio  1:1 by volume | 1:1 by volume       Mixed viscosity @ 75°F  4,000-7,000 CPS | Gel   ASTMD-2393        Pot life @ 75°F  60 minutes ASHTO T-237        Tensile Strength  4,000 psi min. | 4,000 psi min.   ASTMD-638        Tensile elongation  2-4% | 2-4%   ASTMD-695        Compressive strength  10,000 PSI mion. | 10,000 PSI mion.   ASTMD-695        Compressive Modulus  485,000 PSI Min. | 485,000 PSI min.   ASTMD-695        Water Absorbtion   0.08 to 0.15% Max. | 0.08 to 0.15% Max. ASTMD-570        Bond Strength (Direct Sheer) 500 PSI | 500 PSI   Hardened to hardened concrete     Bond Strength (Diagonal Sheet)  500 PSI | 500 PSI   Fresh to hardened concrete 28 days      Hardness  85-90 Shore D | 85-90 Shore D   ASTMD-2240        Color  Gray or neutral brown | Grey or neutral brown       Open time  50°F: 3 hours | 3 hours 75°F: 75 minutes | 75 minutes 100°F: 40 minutes | 40 minutes      Shelf life  1 year minimum | 1 year minimum