Product Description
Introducing our High-Performance PU Sealant with Natural Polymer, a revolutionary, ready-to-use, single-component, moisture-curing polyurethane adhesive sealant. This product offers unparalleled permanent elasticity and is perfectly suited for the intricate corner assembly of aluminum alloy door and window corner braces. It ensures a robust bond with aluminum alloy, hard PVC, FRP, and other resilient materials. With remarkable hardness and a unique blend of toughness and flexibility, our sealant excels in providing outstanding joint-filling performance.
Features
Enjoy the ultimate convenience of our single-component sealant, designed for immediate application straight from the package.
Crafted for enduring excellence, our sealant showcases exceptional durability for long-lasting performance.
Our sealant delivers unmatched toughness, offering high hardness and impressive tear strength.
Easily tailored to your needs, this sealant's paintability ensures seamless adaptability.
Built to endure, our sealant provides remarkable resistance to weather and water, making it an ideal choice for various conditions.
Achieve rapid results with our fast-curing formula, designed to expedite your projects.
Application Area
Perfectly suited for the meticulous assembly of metal-framed buildings.
Ideal for the use with lightweight construction materials, ensuring versatility and efficiency.
Expertly formulated for the precise corner assembly of aluminum alloy door and window corner braces.
Enjoy flexible applications across wood, metal, and plastic window and door frames, enhancing your project's scope.
Storage
For optimum performance, store the sealant in a dry, ventilated area below 27ºC. The product maintains its efficacy for 12 months from the manufacturing date.
Safety Notes
During the curing process, VOC vapors are emitted. Ensure adequate ventilation to avoid inhalation. In case of contact with uncured silicone rubber on eyes or mucous membranes, rinse thoroughly with water to prevent irritation. Once fully cured, the silicone rubber poses no health risks and is safe to handle. Always keep out of reach of children for their safety.
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.