• Home
  • Sika Sikaflex-2c NS Black Color Pack
Image for Sika Sikaflex-2c NS Black Color Pack from White Cap
+ / - Hover over image to Zoom
Other Views

Sika Sikaflex-2c NS Black Color Pack

Brand: Sika Mfg#: 91171
Product#: 438420163
Based on Product Sourcing
Hazardous material shipping restrictions apply. You may be contacted by Customer Service if an alternate shipping method is required.

Please Login to receive Special Pricing
Not Registered? Create an Account


Sikaflex-2c NS 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, I and Federal Specification TT-S-0022


  • Capable of ±50% joint movement
  • Non-sag even in wide joints
  • Ideal for vertical and horizontal applications
  • An effective sealant for use in Exterior Insulation Finish Systems (EIFS)
  • Jet fuel resistant
  • Adheres to most substrates commonly found in construction
  • Placeable at temperatures as low as 40°F
  • Exceptional cut and tear resistance and can adhere to most substrates without priming
  • High elasticity with a tough, durable, flexible consistency
  • Color uniformity assured via Color-pak system
  • Intended for use in all properly designed working joints with a minimum depth of 1/4 inch
  • Paintable with water-, oil-, and rubber-base paints


  • Brand: Sika
  • Product Line: Sikaflex-2c NS
  • Application Time: 3 - 4 hr
  • Coverage: 231 cu-in/gal
  • Resists: Chemicals
  • Odor/Scent: Aromatic
  • Functional Cure: 3 days
  • Flash Point: 230 deg F Part A, 112 deg F Part B
  • Flammability Rating: 1 Part A, 2 Part B
  • VOC Content: 19 g/l Part A, 92 g/l Part B
  • Drying Time: 6 - 8 days Tack Free
  • Standards: ASTM C920
  • Color: Black
  • Shore Hardness: 25 +/-5 Shore A
  • Composition: Polyisocyanate Prepolymer, Xylene
  • Form: Solid Part A, Liquid Part B
  • Mixing Style: Nozzle
  • Base Type: Polyurethane
  • Application Method: Spray
  • Temperature Range: -40 TO 170 deg F
  • Tensile Strength: 95 psi
  • Application Temperature: 40 - 100 deg F
  • Type: 2-Part, Premium Grade
  • Specific Gravity: 1.55 Part A, 1.02 Part B
  • Media: Carbon Dioxide, Foam
  • Usage: For All Types of Joints