Sikaflex 2C NS Sealant



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 S, Grade NS, Class 25, use T,
NT, M, G, A, O, I and Federal specification TT-S-00230 C
Type II, Class A. Meets Canada Standard 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.
  •  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-base 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.


Spec Sheets

Sika 2cNS EZ Product Info

Color Card