TNS-731 Neutral Weatherproof Silicone Sealant
TNS-731 Neutral Weatherproof Silicone Sealant is a one-part, durable,
neutral- cure, architectural grade sealant. with excellent adhesion for use on
a wide variety of materials in new or renovated weatherproofing
applications. It cures into an elastic rubber body by reacting with moisture in
the air to form an effective seal. Excellent weather resistance and load-
bearing interface ±35% telescopic displacement.
Special Characteristics
- Excellent adhesion to non-porous construction materials. no need to use primer for most building materials such as glass, coated glass, painted metal.
- Neutral curing, suitable for most building materials without adverse reactions or corrosion.
- Excellent UV, weathering and high temperature resistance, forming a strong and elastic silicone rubber after curing, not affected by rain, snow.
- High movement capability and permanent flexibility.
Project |
Technical Indicators |
Appearance |
Fine, even paste |
Sag |
Vertical Placement, mm |
≤3 |
Horizontal Placement |
Not deformed |
Shore Hardness |
≥25 |
Tack Free Time, min (temperature 25ºC, Relative Humidity 50%) |
≤45 |
Working Time, mins |
20 |
Elongation at Break % |
430 |
Tensile Modulus MPa
|
23ºC |
>0.4 |
-20ºC |
>0.6 |
Service Temperature°C |
-50 to 150 |
Typical application
TNS-731 Silicone Weatherproofing Sealant is a specified, premium performance weather sealing product specifically designed for general glazing and weather sealing in curtain wall and building facades.
Primerless adhesion to many substrates and finishes, including: EIFS, glass, polycarbonate, vinyl, numerous plastics, treated and untreated wood, fluoropolymer and powder coated paints, conversion-coated and anodized aluminum, brick, terra-cotta, ceramic and porcelain materials and concrete. Some finishes or substrates may require a primer.
1. Q: How can you guarantee the quality?
A: a. At first, our QC staff will inspect the raw material,
b. During the process of before-filling, after-filling and before-delivery we will inspect the sealant too.
c. At last we will keep the sample for around 12 months in case there is any problem so that we can trace it and solve the problem.
2. Q: How to solve the quality problem after sales?
A: Take photos or videos of the problem to us. After confirming the problem, we will make a satisfied solution for you
3. Q: Why should you buy from us and not from other suppliers?
A: In the past 10 years, TENGYU has developed into a modern environmental protection adhesive accessories comprehensive platform enterprise integrating R&D, production, sales, and import & export services. Here, you can enjoy our most considerate service and guarantee. We have professional customer service to do after-sales service to ensure that the goods can be delivered on time.