Product Description
Introducing our High-Performance PU Sealant, a groundbreaking, one-component, and moisture-curing polyurethane adhesive sealant designed for immediate use, offering unparalleled permanent elasticity. This versatile solution is ideal for corner assembly in aluminum alloy door and window corner braces, ensuring secure bonding for aluminum alloy, hard PVC, FRP, and other durable materials. With its impressive hardness and certain tough flexibility, our sealant delivers exceptional joint-filling capabilities.
Features
Convenience at its best, as this product is a single component and is ready to use right out of the package.
Engineered for long-term performance, our sealant exhibits high durability.
Boasting superior toughness, this sealant provides high hardness and exceptional tear strength.
Easily customizable and adaptable with its paintability feature.
Designed to withstand the elements, this sealant offers outstanding weather and water resistance.
Experience rapid results with our fast-curing formula.
Application Area
Perfect for the assembly of metal-framed buildings.
Ideal for lightweight construction materials.
Specially formulated for the precise corner assembly of aluminum alloy door and window corner braces.
Versatile applications for wood, metal, and plastic window and door frames.
Storage
To maintain optimal performance, store the sealant in a dry, airy environment below 27ºC. The storage period is 12 months from the date of manufacture.
Safety Notes
During curing, VOC vapors are released. Avoid inhalation by ensuring proper ventilation in the workspace. If uncured silicone rubber comes in contact with eyes or mucous membranes, rinse thoroughly with water to prevent irritation. Once cured, the silicone rubber is safe to handle with no health risks. Keep out of reach of children to ensure 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.