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PolyBond - 721.01
Epoxy Mortar Binder, Overlay & Patching Compound
PolyBond 721.01 is an epoxy mortar binder which is used in the repair and rehabilitation of concrete. When used in conjunction with clean, dry, well-graded sand, this epoxy system will yield an epoxy mortar possessing excellent physical properties. It is a two-component, 100% solids epoxy resin system. PolyBond 721.01 meets the requirements of New York State D.O.T. Item 721-01 (formerly M-29A).
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| Tests |
Results |
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Part A Light Buff Part B Reddish Brown |
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| MIXING RATIO (A:B): |
2:1 by volume |
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| VISCOSITY (mixed A & B) |
2,000 CPS Max. |
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| HARDNESS |
Over 80 Shore D |
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| EPOXY MORTAR PROPERTIES |
1 to 3 epoxy binder to dry aggregate by loose volume |
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| COMPRESSIVE STRENGTH |
24 hours 8,300 psi min.
48 hours 12,000 psi min. |
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| SPLIT TENSILE STRENGTH |
24 hours 1,350 psi min. |
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| Pot Life 60°F (75°F) [90°F] |
Without aggregate 20 (15) [10]
With aggregate 70 (45) [30] |
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| INITIAL CURE |
5, 3, 1 hrs. |
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| FINAL CURE |
3, 2, 1 days |
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Epoxy mortar for concrete overlays and patching waterproof and skid resistant wearing surface overlays and coatings. Epoxy grout for keyways in prestressed concrete box beams. Adhesive for bonding dry construction materials.
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Remove all dust, laitance, grease, oil, curing compounds, waxes, and other contaminants. Remove all deteriorated concrete. The surface should be sound and dry.
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