High Performance Silicone Weather Resistant Sealant - China Suppliers and Factory for Durable Sealing Solutions
Key Product Features
1
Fast curing, which can greatly reduce the adverse effects of bad weather on the surface of the sealant during curing (such as surface deformation).
2
Neutral curing, non-corrosive to metal, coated glass and other building materials.
3
For the normal expansion and shear deformation of the curtain wall, this product can keep the performance unchanged.
4
Excellent weathering resistance, heat and cold resistance, UV resistance, ozone resistance and water resistance.
5
Excellent high and low temperature resistance. After curing, it will not be brittle, hardened or cracked at -50°C, and will not soften or degrade at 150°C, and maintain good elasticity.
6
Excellent adhesion to most building materials.
?
Frequently Asked Questions
Q
What makes JF402 sealant suitable for curtain wall applications?
JF402 is specifically designed to handle the normal expansion and shear deformation of curtain walls while maintaining stable performance. Its neutral curing formula ensures it is non-corrosive to metal, coated glass, and other common building materials used in curtain wall systems.
Q
What temperature range can JF402 withstand after curing?
After curing, JF402 maintains excellent performance across a wide temperature range. It will not become brittle, harden, or crack at temperatures as low as -50°C, and it will not soften or degrade at temperatures as high as 150°C, ensuring lasting elasticity in extreme conditions.
Q
Why is fast curing important for a sealant product like JF402?
Fast curing significantly reduces the window of exposure to adverse weather conditions during the curing process. This minimizes risks such as surface deformation or contamination caused by rain, dust, or temperature fluctuations, resulting in a cleaner and more reliable seal.
Q
Is JF402 resistant to UV radiation and outdoor weathering?
Yes. JF402 offers excellent weathering resistance, including strong UV resistance, ozone resistance, heat and cold resistance, and water resistance. This makes it highly suitable for outdoor and facade applications where long-term durability is essential.
Q
Can JF402 be used on coated glass and metal surfaces?
Absolutely. JF402 uses a neutral curing system, which means it does not release acidic or corrosive byproducts during curing. This makes it safe and compatible with sensitive surfaces such as coated glass, anodized aluminum, and various metal substrates commonly found in modern construction.
Q
Does JF402 adhere well to different types of building materials?
Yes. JF402 is formulated to provide excellent adhesion to most common building materials, including glass, metal, stone, concrete, and coated surfaces. This versatility makes it a reliable choice for a wide range of construction and sealing projects.










