Sikadur 21 Lo-Mod LV, is a 2-component, 100 % solids, moisture-tolerant, epoxy resin binder. Used as a binder for epoxy mortar for patching and overlays.
Sika Sikadur 21 Lo-Mod LV is a two-component, 100% solids, moisture-tolerant, low-viscosity epoxy resin binder designed for bonding, patching, and overlays. Engineered for high-strength applications, this low-modulus epoxy provides excellent adhesion, strength development, and resistance to moisture both before and after curing. It conforms to ASTM C-881 Type II, Grade 1, Class B & C and AASHTO M-235 specifications, making it an optimal choice for bonding fresh concrete to hardened concrete, securing injection ports, and as a binder for epoxy mortars.
Property | Value |
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Packaging | 4-gallon unit |
Color | Clear, amber |
Shelf Life | 2 years in original, unopened containers |
Viscosity | Approximately 1,000 cps |
Compressive Strength (ASTM C-579, 28 days) | 9,200 psi (63.4 MPa) |
Flexural Strength (ASTM D-790, 14 days) | 2,300 psi (15.8 MPa) |
Tensile Strength (ASTM D-638, 14 days) | 5,800 psi (40.0 MPa) |
Mixing Ratio | 1:1 by volume (Component A + B) |
How is Sikadur 21 Lo-Mod LV applied?
Mix equal parts of Component A and Component B, then apply using a brush, roller, or trowel. For epoxy mortar applications, blend with oven-dried sand.
Can this product be used in exterior applications?
Sikadur 21 Lo-Mod LV is not recommended for exterior slabs exposed to direct thermal changes.
Brand | Sika |
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Size | 4 Gallon |
Manufacturer | Sika |