Product Description
Our Weatherproof PU Sealant stands as an epitome of innovation, crafted as a one-component, immediately usable solution that delivers unyielding adhesion through its moisture-curing polyurethane formulation. Engineered to maintain permanent elasticity, this sealant is an ideal choice for enhancing the structural integrity of aluminum alloy door and window corner braces. It seamlessly bonds with materials such as aluminum alloy, hard PVC, and FRP, showcasing its versatility and reliability. With high hardness, flexible toughness, and exceptional joint-filling capability, this sealant is a must-have for robust applications.
Feature
Effortless application with its one component, ready-to-use design.
Unmatched durability for long-lasting performance.
Exceptional hardness paired with strong tear resistance.
Easily paintable for seamless integration.
Superior resistance to weather and water, ensuring longevity.
Quick curing time for efficient project completion.
Application Area
Perfect for assembling sturdy metal-framed buildings.
Ideal for use with lightweight construction materials.
Specifically designed for the precise corner assembly of aluminum alloy door and window braces.
Versatile in bonding wood, metal, and plastic window and door frames.
Storage
Maintain optimum performance by storing in dry, airy conditions below 27ºC. This ensures a 12-month shelf life from the manufacturing date.
Safety Notes
During the curing process, VOCs are emitted. It is essential to provide good ventilation as prolonged inhalation of these vapors can be harmful. In the event of contact with eyes or mucous membranes, rinse thoroughly with water to prevent irritation. Once cured, the silicone rubber can be handled safely. Ensure that this product is kept out of children's reach.
Appearance |
Grey/white |
Tack free time |
40~50mins |
Handling time |
5~8mins |
Initial cure time |
1.5~2 hrs |
Density(g/cm3) |
1.03±0.05 |
Hardness (ShoreA) |
80 |
Shear strength (MPa) |
5.33 |
Applicable temperature |
-50~120ºC |



Q1: Are you manufacturer?
A1: Yes, we are manufacturer. We have 2 factories which around 50,000 square meters, our production capacity is over 30000 tons per year, on time delivery is supported.
Q2: Do you provide OEM/ private label service?
A2: Yes, We offer OEM/private label services. Additionally, we provide free design and small MOQ for private label sealants.
Q3: What other products do you have?
A3: Runtai serves one stop solution of sealants & adhesives, including: PU Foam, Silicone Sealant, Acrylic Sealant, PU Sealant, MS Sealant, Spray Paint, Water Based Adhesive, Zero Nail Construction Adhesive, Marble Glue & Epoxy Resin.
Q4: Why do we choose you?
A4: With 2 factories which are around 50,000 square meters,Runtai is called one of the biggest manufacturers in China. Our products are fully comply with American & European standards. We supply to fortune TOP 500 enterprises in more than 50 countries, which is the Top10 customized Export Volume in China.
Q5: Can I get a free sample?
A5: We offer free samples for clients. Please feel free to contact us for more details , we can recommend the suitable samples according to your requirement.
Q6: What is benefit to be your distributors?
1. We support our distributor to become stronger.
2. We provide technical Know-How on selling.
3. We train our distributor's sales team.
4. We train our distributor's dealers.
5. We support you to become better.