|
Still deciding? Get samples of $ !
Order Sample
|
| Customization: | Available |
|---|---|
| Chemical Composition: | Polyurethane Sealant |
| Curing Time: | Slow Curing: More Than 48 Hours |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Achieve long-lasting, high-strength bonding and sealing with PU 540 Polyurethane Sealant, engineered for construction professionals who demand durability, weather resistance, and multi-surface compatibility. Ideal for curtain walls, concrete joints, window installation, metal structures, wooden frames, auto body sealing, and general construction projects.
PU 540 is formulated with high elasticity, strong adhesion, and excellent weatherproofing for both indoor and outdoor use. Unlike ordinary PU sealants or traditional silicone, PU 540 offers superior bonding strength and structural performance that ensures reliable results even in demanding environments.
Key Advantages:
High Adhesion - Bonds firmly to concrete, metal, aluminium, PVC, and wood.
Excellent Flexibility - Absorbs vibration and joint movement without cracking.
Outdoor Weatherproof - UV-resistant, moisture-resistant, and long-term durable.
Smooth Application - Consistent viscosity for easy, professional finishing.
Paintable Surface - Can be painted after curing for seamless integration.
Multi-Surface Compatibility - Suitable for construction, automotive, and industrial use.
Concrete /Metal/ Wood/ Aluminum Curtain Wall/ PVC & Plastic/ Stone & Ceramic
| High Performance Polyurethane Sealant | |
| Items | Test Result |
| Base | Polyurethane |
| Curing system | Moisture curing |
| TFT (23°C, 50% R.H.) | ~50 min |
| Curing rate (23°C, 50% R.H.) | >2-3 mm / 24 hrs |
| Sagging | Good |
| Hardness (Shore A after 28 days) | 40±5 |
| Specific gravity | 1.35±0.05 |
| Temperature resistance | -40°C to 90° |
| Application temperature | >-5°C |
| Elongation at break | ≥400% |
| Tensile strength | >2.0Mpa |
| Movement capability | 25% |
| Paintability | Yes |
u
1. Free Samples?
Free sample, but the customer needs to bear the freight.
){kind=link}