Sikaflex-1A is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Sikaflex-1a can be used in green and damp concrete applications. Meets Federal Specification TT-S-00230C, Type II, Class A. Meets ASTM C920, Type S, Grade NS, Class 35, Use T, NT, O, M, A, I. Canadian standard CAN/CGSB 19.13-M87.
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Eliminates time, effort, and equipment for mixing, filling cartridges, pre-heating or thawing, and cleaning of equipment
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Fast tack-free and final cure times
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High elasticity - cures to a tough, durable, flexible consistency with exceptional cut and tear-resistance
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Excellent adhesion - bonds to most construction materials without a primer
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Excellent resistance to aging, weathering | Proven in tough climates around the world
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Can be applied to green concrete 24 hours after pour | Can be applied to damp concrete 1 hour after getting wet
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Non-staining & Jet fuel resistant
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Certified to NSF/ANSI/CAN 61 for potable water (meets applicable requirements of NSF/ANSI 600)
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Urethane-based; suggested by EPA as a caulk and crack sealant for radon reduction
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Paintable with water-, oil- and rubber-based paints
