Parcel Orders over $300 Ship Free.
Sika Sikaflex 2C NS EZ Mix+ Limestone 1.5 Gallon
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
$70.40
Availability:
In stock
( 71 Available )
SKU
22404
Sika Sikaflex-2C NS EZ Mix – Limestone – 1.5 Gallon
Sikaflex-2C NS EZ Mix Limestone is a premium-grade, two-component, non-sag polyurethane elastomeric sealant with Class 50 movement capability. Designed for vertical and horizontal applications, it provides exceptional adhesion, flexibility, and long-term durability. This pre-pigmented limestone version eliminates the need for field tinting, making it ideal for projects requiring consistent color and high-performance joint sealing in demanding environments.
Have other project demands?
Key Features
- Two-component, non-sag polyurethane sealant.
- True Class 50 joint movement capability.
- Pre-pigmented Limestone color for consistent finish.
- High elasticity and long-term flexibility.
- Excellent adhesion to most substrates without primer.
- Resistant to jet fuel, water, diluted acids, and alkalines.
- Paintable and UV resistant.
- Certified for potable water applications (NSF/ANSI 61).
Applications
- Vertical and horizontal construction joints.
- Expansion joints in precast panels and masonry walls.
- Reservoirs, canals, and water treatment facilities.
- Industrial floors, refueling stations, and chemical exposure areas.
- Exterior Insulation Finish Systems (EIFS).
- Potable water and fire-rated joint applications.
Technical Specifications
| Chemistry | Two-component, non-sag polyurethane |
| Movement Capability | Class 50 (±50%) |
| Tensile Strength (ASTM D412) | 118 psi |
| Elongation at Break (ASTM D412) | 974% |
| Tear Strength (ASTM D624) | >34 lbf/in |
| Shore A Hardness (ASTM C661) | 25 |
| Application Time | 3 hours at 73°F (23°C) |
| Cure Time | 3 days at 73°F (23°C), 50% RH |
| 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, 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 Limestone used for?
It is a non-sag polyurethane sealant for vertical and horizontal joints, pre-pigmented for consistent Limestone color.
What is the movement capability?
Class 50, allowing ±50% joint movement.
Is it suitable for potable water systems?
Yes. It is NSF/ANSI 61 certified for drinking water contact.
How long is the cure time?
Approximately 3 days at 73°F (23°C), 50% RH.
Does it need primer?
Generally no, except for immersion conditions or EIFS applications where primer is specified.
Please complete your information below to login.