Sika Sikaflex 2C SL Tint Base 1.5 Gallon 91028

$69.12

Sikaflex 2c SL is a 2-component, premium-grade, polyurethane-based, elastomeric sealant intended for use in all working joints with a minimum depth of 1/4 inch.

True self-leveling properties.
Capable of ±50% joint movement.
Chemical cure allows the sealant to be placed in non-moving joints exceeding 1/2 in. in depth.

Availability: In stock ( 78 Available )

SKU

18869

Sika Sikaflex 2c SL – Two-Component, Self-Leveling Polyurethane Sealant

Sika Sikaflex 2c SL is a premium-grade, two-component, polyurethane-based, elastomeric sealant designed for self-leveling applications. Its chemical-cure formulation allows it to be applied in deep joints while maintaining high elasticity, flexibility, and exceptional adhesion. Suitable for use in expansion joints, concrete slabs, and horizontal applications, Sikaflex 2c SL provides durable performance with outstanding resistance to weathering, chemicals, and water immersion. The tint base allows for custom color-matching with the Sikaflex Color-pak system, ensuring uniform finishes across projects.

Key Features:

Two-component, chemical-cure polyurethane formulation
Self-leveling consistency for effortless horizontal joint applications
Exceptional ±50% movement capability
Outstanding adhesion to most construction substrates
Available in 40+ colors using the Sikaflex Color-pak system
Meets ASTM C920, Type M, Grade P, Class 25 standards
Resists jet fuel exposure, making it ideal for high-traffic areas
Easy to mix and apply with a smooth, consistent finish
Paintable with water, oil, and rubber-based coatings

Applications:

Concrete expansion joints and construction joints
Horizontal surfaces including sidewalks, parking garages, and driveways
Reservoir and canal joints exposed to water immersion
Industrial floors and factory slabs requiring flexible sealing
Bridges, stadiums, and airport tarmacs
Joints subjected to vehicular and pedestrian traffic

Technical Specifications:

Property	Value
Packaging	1.5 gallon unit (5.7 L) \| 4.5 gallon unit (17.1 L)
Color	Tint Base (requires Sikaflex Color-pak)
Shelf Life	1 year (unopened, stored at 40–95°F)
VOC Content	75 g/L
Shore A Hardness	40 ± 5 (ASTM D2240)
Tensile Strength	175 psi (ASTM D412)
Elongation at Break	650% (ASTM D412)
Service Temperature	-40°F to 170°F (-40°C to 77°C)

Frequently Asked Questions:

How do I mix and apply Sikaflex 2c SL?
Mix Component B with Component A at low speed (400–600 rpm) for 3–5 minutes until uniform. Use a bulk gun or pour directly into joints.

What is the curing time?
Tack-free time is 6–8 hours, with full cure achieved in 3 days at 73°F (23°C).

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