Pick-Proof & Tamper Resistant Sealants - 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 colors (> 320 special colors) with a convenient Colorpak. Also available as a pre-pigmented product in Limestone Gray. Meets ASTM C 920, Type M, Grade NS, use T, NT, O, M, G, A and Federal Specification TT-S-00227E. Product developed by addition of Sikaflex®-2c NS TG Component to the standard Sikaflex 2c NS EZ Mix joint sealant.

• Capable of ± 25 % joint movement
• Chemical cure allows the sealant to be placed in joints exceeding 1/2 inch (25.4 mm) in depth
• Tough, durable, flexible consistency
• Exceptional cut and tear resistance
• Exceptional adhesion to most substrates without priming
• Color uniformity assured via Color-pak system or pre-pigmented Limestone Gray
• No Color-pak needed in pre-pigmented Limestone Gray
• Jet fuel resistant

Usage

• Applications to include: parking garages, walkways, plazas, platforms, etc., with exposure to foot or pneumatic-tire traffic
• Intended for horizontal joints with a minimum depth of 1/2 in. (12.7 mm)
• Placeable at temperatures as low as 40 °F (4 °C)
• Adheres to most substrates commonly found in construction
• Acceptable for sealing joints in institutions, correctional facilities, etc., as a tamper resistant sealant

Advantages

• Capable of ± 25 % joint movement
• Chemical cure allows the sealant to be placed in joints exceeding 1/2 inch (25.4 mm) in depth
• Tough, durable, flexible consistency
• Exceptional cut and tear resistance
• Exceptional adhesion to most substrates without priming
• Color uniformity assured via Color-pak system or pre-pigmented Limestone Gray
• No Color-pak needed in pre-pigmented Limestone Gray
• Jet fuel resistant

Packaging

1.5 gal. unit (5.7 L) of Sikaflex 2c NS EZ Mix plus 2.63 fl. oz. (0.08 L) of Sikaflex NS TG component. Color-pak is also purchased separately. Limestone Gray color available pre-pigmented

Color

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

Product Details

Product Information

12 months in original, unopened containers

Store dry at 40-95 °F (4-35 °C).

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

Technical Information

± 25 %

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

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

Excellent

-40-170 °F (-40-75 °C)

Application

Application Information

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

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

Application Steps

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.

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 color 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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