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Description for Dow 890-SL Self Leveling Joint Sealant
All temperature gunnability; seals irregular surfaces without tooling; unprimed adhesion; ultra-low modulus; good weatherability; short cure time.Application Type Bond, Repair, Sealant 1 Part or 2 Part 1 Part Material Form Liquid Substrate Portland cement concrete Manufacturer Dow Chemistry Silicone Cure Method Moisture Cure Temperature (°C) 25, 25 Cure Time (min) Short Viscosity (cPs) Self-leveling Color Dark gray Key Specifications ASTM (American Standard Test Method): ASTM D 5893-96
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Cure Temperature Test Methods
Cure Temperature | Cure Time Test Method |
---|---|
25°C | |
25°C | As Cured – after 21 days at 25°C (77°F) and 50 percent RH |
Cure Time Test Methods
Cure Time | Test Method |
---|---|
Short |
Work / Pot Time Test Methods
Work / Pot Time | Temperature |
---|
Elongation Test Methods
Elongation | Test Method |
---|---|
14 % | after 21 days at 25°C (77°F) and 50 percent RH |
Modulus Test Methods
Modulus | Test Method |
---|---|
Ultra-low | |
7 psi | joint modulus, at 50 percent Elongation, maximum, after 21 days at 25°C (77°F) and 50 percent RH |
8 psi | joint modulus, at 100 percent Elongation, maximum, after 21 days at 25°C (77°F) and 50 percent RH |
9 psi | joint modulus, at 150 percent Elongation, maximum, after 21 days at 25°C (77°F) and 50 percent RH |

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