High-Performance Exterior Structural Silicone Sealant | UV-Resistant, Waterproof & High-Strength Bonding for Curtain Walls & Glass
Feature
- One-part neutral-cure RTV silicone sealant with efficient, stable curing performance.
- Non-corrosive to a wide range of substrates, ensuring safe and versatile application.
- Featuring outstanding resistance to UV, heat and humidity, it provides long-lasting durability even in harsh outdoor conditions.
- Operating temperature (fully cured): -50°C to 180°C.
- Accommodates joint movement of up to 25%, ensuring reliable long-term structural integrity.
Basic Uses
- Structural silicone sealant for the sealing and bonding of high-rise curtain walls, aluminum/terracotta cladding and steel structures.
- Ensures reliable structural installation for glass, composite and metal panel systems.
- Ideal for structural curtain wall sealing in architectural and industrial projects.
Specification
Operating conditions of 23±2°C and 50±5%RH, then test:
| No |
Property |
Standards |
Results |
| 1 |
Type |
/ |
OXIME |
| 2 |
Density |
g/cm³ |
1.39 |
| 3 |
Sag/Slump |
Vertical Position/mm |
≤3 |
0 |
| Horizontal Position |
Non-Deformation |
Non-Deformation |
| 4 |
Extrusion Rate (ml/min) |
≥150 |
≥250 |
| 5 |
Tack-Free Time / h |
≤3 |
≤1 |
| 6 |
Shore A Hardness |
20~60 |
40~50 |
| 7 |
Thermal Ageing |
Thermal Weight Loss% |
≤10 |
≤5 |
| Thermal Cracking |
None |
None |
| Chalking |
None |
None |
| 8 |
Tensile Modulus (MPa) |
≥0.6 |
≥1 |
FAQ
Q1. Sample Availability
- Samples are available for quality evaluation, and mixed-item sampling is supported to meet diverse testing requirements.
Q2. Production Lead Time
- Sample lead time: 2–3 working days
- Mass production lead time: 5–7 working days after deposit confirmation
Q3. MOQ Policy
- Ultra-low MOQ: Only 1 unit required for sampling and quality verification
Q4. Shipping Methods
- Mass production: Shipped via reliable ocean freight, cost-effective for large-volume orders.
- Samples: Delivered by international express (FedEx, DHL) for fast and secure delivery.
Q5. Order Procedure
- Clarify your technical requirements and application scenarios.
- We will provide a customized quotation tailored to your needs.
- Confirm sample approval and proceed with deposit payment.
- Mass production will commence with real-time progress updates.
Q6. Logo Customization
- Yes, written confirmation—including logo files and design specifications—is required prior to production to ensure accuracy
Q7. Quality Warranty
- 35-year performance warranty for structural silicone sealant – ensuring long-term reliability and structural integrity

