Sikaflex 2C NS EZ Mix 2-Part Polyurethane Elastomeric Sealant Limestone 3 Gallon

Sika Corporation
Item #
Mfr. Model # 187655

Sikaflex 2C NS EZ Mix 2-Part Polyurethane Elastomeric Sealant, Limestone, 3 Gallon Pail

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. Meets ASTM C-920, Type M, Grade NS, Class 25, use T, NT, M, G, A, O, and Federal Specification TT-S-00227E, Type II, Class A. Meets CAN/CGSB 19.24 - M90.


  • Intended for use in all properly designed working joints with a minimum depth of a quarter inch.
  • Ideal for vertical and horizontal applications.
  • Placeable at temperatures as low as 40F.
  • Adheres to most substrates commonly found in construction.
  • An effective sealant for use in Exterior Insulation Finish Systems (EIFS).
  • Submerged environments, such as canal and reservoir joints

Characteristics and Advantages:

  • Capable of +50% joint movement.
  • A chemical cure allows the sealant to be placed in joints exceeding .5 in. in depth.
  • High elasticity with a tough, durable, flexible consistency.
  • Exceptional cut and tear resistance.
  • Exceptional adhesion to most substrates without priming.
  • Non-sag even in wide joints.
  • Certified to the NSF/ANSI Standard 61 for potable water.
  • Easy to mix.
  • Paintable with water-, oil-, and rubber-based paints.
  • Jet fuel resistant.
  • Cold weather booster for initial tack (see reverse side for data).
  • Shore A hardness can be increased by using “TG” additive. 

Product Details
Specification Description
# of Components: Two Component
Adhesive/Glue Type: Caulks & Sealants
Brand Name: Sika Corporation
Brand Part Number: 187655
Chemical Base: Polyurethane
Color: Limestone
Cure Mechanism: Moisture
Cure Time: 3 Days
Elongation: 300%
For Joint Type: Horizontal & Vertical
Grade (ASTM C-920): NS - Non-Sag
Model: Sikaflex 2c NS EZ Mix
Movement Capability: +/- 50%
Operating Temperature: -40° to 170°F
Package Type: Pail
Paintable: Yes
Peel Strength: Concrete 15 lb.
Primary Application: Construction & Concrete
Shelf Life: 365 days
Shore Hardness: 25A +/- 5A
Size: 3 Gallon
Specifications Met: ASTM C-920 Type M Grade NS Class 25 Use T/NT/M/G/A/I/O, CAN/CGSB 19.24 - M90, NSF/ANSI 61, TT-S-00227E Type II Class A, UL Fire Rated 2 HR
Tear/Shear Strength: 45 lb/in
Temperature Rating: Standard (Less Than 200°F)
Tensile Strength: 95 psi
Use (ASTM C-920): A - Aluminum, G - Glass, I - Immersed, M - Mortar, NT - Non-Traffic, O - Other, T - Traffic
VOC Content Range: 75 g/L
Working/Tack/Skin Time: 8 - 10 Hours
$117.00 / each

1 units in stock. Estimated to ship Wed. Jun 26 Need more? Estimated to ship Mon. Jul 15.
This item contains hazardous materials. Additional shipping fees will be applied at checkout. Special shipping conditions and/or additional freight charges may apply for this product. If so, you will be contacted by an EMI Supply representative prior to your order being shipped. This item cannot be shipped via air carrier. This item has been restricted for sale in the following states: AK, HI, PR If shipping to a state with restrictions, please call for shipping options.