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TNS780 Silicone Self leveling Sealant

TNS-780 is a one-part, cold-applied, self-leveling silicone sealant specifically engineered for pavement and construction joint applications. Upon exposure to atmospheric moisture, it cures to form a durable, ultra-low-modulus silicone rubber that maintains exceptional flexibility across the entire temperature spectrum encountered in pavement environments. Its self-leveling characteristics ensure smooth, uniform sealing in horizontal joints, while the cured material offers long-term resilience to weathering, movement, and thermal cycling, providing a reliable and maintenance-friendly sealing solution for infrastructure projects.
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  • TNS780

  • KINGWIT

Products Advantages


● No tooling, less labor 

● Durable 

● Ideal for cold climates

● Excellent flexibility for extreme high and low temperature conditions 

● Excellent flexibility for dynamic joint movement 

● Bonds to most substrates without priming including aged asphalt and concrete 

● Ready to use 

● All season ease of application 

● Good contact/adhesion with hard to reach areas 

● Excellent for use on runways and tarmacs 

● Jet fuel resistant 

● Resistant to road salts


7


Products Parameters

Property

Unit

Result

Specific Gravity

g/cm3

1.3

Skin Time

mins

34

Hardness Shore A

/

32

Elongation at break

%

488

Extrusion rate

ml/min

5500

Tensile strength

N/mm²

0.6

Modulus (100%)

N/mm²

0.38

Packing

Color

Qty/ctn

600ml sausage

Grey etc.

20 sausages

20L pail

Grey etc.

——

Typical Application

The silicone self leveling sealant can be applied for:

● Highway joints  

● Bridges  

● Stadiums  

● Parking garages  

● Plaza decks  

● Driveways 

● Decks 

● Expansion joints  

● Saw cut joints


13Safety &

Storage

●Keep contents out of reach of children. In case of contact with eyes, please rinse eyes with plenty of water and seek medical advice as soon as possible 

●The silicone self leveling sealant should be stored in a cool, dry, non-humid place to ensure long shelf life.


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Shandong Kingwit New Material Technology Co., Ltd.

Add: Building 11, Huawei Big Data Industrial Park, Dongjiang Street, Yantai, Shandong, China
Whatsapp: +8619353218907
 
 
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