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Sika Sikaflex 2C NS EZ Mix+ Tint Base 1.5 Gallon Unit 597473
Sika Sikaflex 2C NS EZ Mix+ is a 2-component, premium-grade, polyurethane-based, elastomeric sealant. It is principally a chemical cure in a non-sag consistency.
- Non-Sag
- Easy To Mix
- High Elasticity
$69.09
Availability:
In stock
( 77 Available )
SKU
22405
Sika Sikaflex-2C NS EZ Mix – Tint Base – 1.5 Gallon Unit
Sikaflex-2C NS EZ Mix is a premium two-component, non-sag polyurethane elastomeric sealant formulated for vertical and horizontal joints. With true Class 50 movement capability, it delivers long-lasting flexibility, adhesion, and durability even in submerged or chemically exposed environments. It adheres to most common construction substrates without primer and is field-tintable using Sika Universal Color-Pak, making it adaptable for a wide range of design requirements.
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Key Features
- Two-component polyurethane sealant with non-sag consistency.
- Class 50 movement capability for high-performance joint sealing.
- Field-tintable with Sika Universal Color-Pak for design flexibility.
- Exceptional adhesion to most substrates without priming.
- Resistant to jet fuel, water, diluted acids, and alkalines.
- Suitable for submerged and potable water applications (NSF/ANSI 61).
- High elasticity with excellent cut and tear resistance.
- Easy to mix and apply with extended working time.
Applications
- Vertical and overhead construction joints.
- Expansion joints in precast panels and curtain walls.
- EIFS systems and masonry joints.
- Reservoirs, canals, and water treatment facilities.
- Industrial floors, refueling stations, and chemical exposure areas.
- Potable water and fire-rated joint applications.
Technical Specifications
| Chemistry | Two-component polyurethane, non-sag |
| Movement Capability | Class 50 (±50% of joint width) |
| Tensile Strength (ASTM D412) | 118 psi |
| Elongation at Break (ASTM D412) | 974% |
| Tear Strength (ASTM D624) | >34 lbf/in |
| Hardness (ASTM C661) | 25 Shore A |
| Cure Time | 3 days at 73°F (23°C), 50% RH |
| Application Time | 3 hours at 73°F (23°C) |
| Service Temperature | −40°F to 170°F (−40°C to 77°C) |
| Packaging | 1.5 gal and 3 gal units |
| Shelf Life | 12 months unopened |
| Compliance | ASTM C920 Type M, Grade NS, Class 50; TT-S-00227E; CAN/CGSB 19.24-M90; NSF/ANSI 61; UL Fire Rated assemblies |
Frequently Asked Questions
What is Sikaflex-2C NS EZ Mix Tint Base used for?
It is a field-tintable non-sag polyurethane sealant used for vertical, horizontal, and submerged joints.
Does it require primer?
Primer is generally not required except in total immersion conditions or on EIFS systems as specified by the manufacturer.
Can it be applied to damp concrete?
Yes. It can be applied to damp concrete 60 minutes after wetting.
How long is the cure time?
About 3 days at standard conditions (73°F, 50% RH).
Is it safe for potable water systems?
Yes. It is NSF/ANSI 61 certified for drinking water contact.
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