Product Data Sheet Safety Data Sheet Show all documents
Sikaflex®-2c NS TG

Sikaflex®-2c NS TG

Two-component, traffic-grade, polyurethane elastomeric sealant

Sikaflex®-2c NS TG is a premium-grade, polyurethane-based elastomeric sealant. It is principally a chemical cure in a non-sag consistency. Available in 35 standard colours (> 320 special colours) with a convenient Colorpak. 

  • Capable of ± 25 % joint movement
  • Placeable at temperatures as low as 4 °C (40 °F)
  • Tough, durable, flexible consistency
  • Exceptional cut and tear resistance
  • Exceptional adhesion to most commonly found substrates without priming
  • Colour uniformity assured via Color-pak system
  • Jet fuel resistant
Product Data Sheet Safety Data Sheet Show all documents

Usage

  • Applications to include: parking garages, walkways, plazas, platforms, etc., with exposure to foot or pneumatic-tire traffic
  • Acceptable for sealing joints in institutions, correctional facilities, etc., as a tamper resistant sealant
  • Intended for horizontal joints with a minimum depth of 12.7 mm (1/2 in)
  • Chemical cures allows the sealant to be placed in joints exceeding 25.4 mm (1 in) in depth
 

Advantages

  • Capable of ± 25 % joint movement
  • Placeable at temperatures as low as 4 °C (40 °F)
  • Tough, durable, flexible consistency
  • Exceptional cut and tear resistance
  • Exceptional adhesion to most commonly found substrates without priming
  • Colour uniformity assured via Color-pak system
  • Jet fuel resistant

Packaging

5.7 L unit (1.5 US gal.) + 75 mL (2.63 fl. oz.) TG component. Color-pak are sold separately. 

Colour

A wide range of architectural colours are available. Special colours available on request

Product Details

Sustainability / Certifications / Approvals

APPROVALS / CERTIFICATES

  • Meets ASTM C920, Type M, Grade NS, use T, NT, O, M, G, A
  • Federal Specification TT-S-00227E.
Product Information

Shelf Life

12 months in original, unopened containers

Storage Conditions

Store dry at 4 °C – 35 °C (40 °F – 95 °F).

Condition material to 18 °C – 24 °C (65 °F – 75 °F) before using.

 
Technical Information

Shore A Hardness

45 ± 5

21 days at 23 °C (73 °F) and 50 % R.H. (ASTM D2240)

Tensile Strength

1.5 MPa (220 psi)

21 days at 23 °C (73 °F) and 50% R.H.(ASTM D412)

Tensile Stress at Specified Elongation

0.97 MPa (140 psi) at 100 %

21 days at 23 °C (73 °F) and 50 % R.H. (ASTM D412)

Movement Capability

± 25 %

Adhesion in Peel

Concrete Peel Strength:  11.3 kgf (25 lbf.)

Adhesion Loss: 0 %

23 °C (73 °F) 50 % R.H.

(TT-S-00230C, ASTM C794)

Service Temperature

-40 °C – 75 °C (-40 °F – 170 °F)

Chemical Resistance

Good resistance to water, diluted acids, and diluted alkalines.

Consult Technical Service at 1-800-933-SIKA for specific data.

Resistance to Weathering

Excellent

Application

Application Information

Ambient Air Temperature

4 °C – 37 °C (40 °F – 100 °F), ambient and substrate temperatures. Sealant should be installed when joint is at mid-range of its anticipated movement.

Substrate Temperature

4 °C – 37 °C (40 °F – 100 °F), ambient and substrate temperatures. Sealant should be installed when joint is at mid-range of its anticipated movement.
Consumption

Yield

3.78 L (1 US gal.): Yield in Linear metres (feet)

Width/Depth6 mm (1/4 in)9.5 mm (3/8 in)

12 mm (1/2 in)

6 mm (1/4 in)93.8 mm (307.9 in)
9.5 mm (3/8 in)62.5 mm (205.3 in)41.7 mm (136.8 in)
12 mm (1/2 in)46.9 mm (153.9 in)31.2 mm (102.6 in)23.4 mm (77.0 in)
19 mm (3/4 in)31.2 mm (102.6 in)20.8 mm (68.4 in)15.6 mm (51.3 in)
25 mm (1 in)11.7 mm (38.5 in)
31 mm (1.25 in)9.3 mm (30.8 in)
38 mm (1.5 in)7.8 mm (25.7 in)
Application steps

SUBSTRATE PREPARATION

All joint-wall surfaces must be clean, sound, and frost-free. Joint walls must be free of oils, grease, curing compound residues, and any other foreign matter that might prevent bond. Ideally, this should be accomplished by mechanical means. A roughened surface will also enhance bond. Bond breaker tape or backer rod must be used in bottom of joint to prevent bond.

  

Priming

Priming is typically not necessary. Most substrates only require priming if sealant will be subjected to water immersion after cure. Testing should be done, however, on questionable substrates, to determine if priming is needed. Consult Technical Service or Sikaflex® Primer Technical Data Sheet for additional information on priming.

MIXING

Pour entire contents of Component ‘B’ and Sikaflex®-2c NS TG Component into pail of Component ‘A’. For tint base: add entire contents of Color-pak into pail and mix with a low-speed drill (400–600 rpm) and Sikaflex® paddle. Mix for 3-5 minutes to achieve a uniform colour and consistency. Scrape down sides of pail periodically. Avoid entrapment of air during mixing.For pre-pigmented limestone base: just mix with low speed drill and Sikaflex® paddle without Color-pak.

 

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