Product Description
Introducing our Strong Adhesion PU Sealant for Weatherproofing, a premium, single-component, moisture-curing polyurethane adhesive sealant that boasts permanent elasticity. This superior product is perfect for the meticulous assembly of aluminum alloy door and window corner braces, and excels in bonding to diverse materials such as aluminum alloy, hard PVC, FRP, and beyond. With its high hardness, specific toughness, and excellent joint-filling capabilities, it stands as a leader in the field.
Feature
One component, ready to use for your convenience.
Exemplary high durability for enduring performance.
Exceptional high hardness and tear strength for enhanced reliability.
Effortlessly paintable for seamless aesthetic integration.
Remarkable weather and water resistance, ensuring longevity.
Rapid curing for efficient application and quick results.
Application Area
Perfect for assembling metal framed buildings with precision.
Ideal for lightweight construction materials, ensuring stability.
Specialized for corner assembly of aluminum alloy door and window corner braces.
Compatible with wood, metal, and plastic window and door frames for versatile use.
Storage
Store this sealant for up to 12 months from the manufacturing date in dry, airy environments below 27ºC to maintain its effectiveness.
Safety notes
During the curing process, VOCs are released, necessitating adequate workplace ventilation to ensure safety. Avoid inhaling these vapors in high concentrations or for prolonged periods. In case of contact with eyes or mucous membranes, rinse thoroughly with water to prevent irritation. Once cured, silicone rubber poses no health risks. 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.