Structural Silicone Sealant for Exterior Applications – Ultra Weatherproof, UV-Resistant & Waterproof High-Strength Adhesive for Exterior Walls & Glass Installation
Feature
- One-part neutral-cure RTV silicone sealant – efficient and stable curing.
- Non-corrosive to substrates, safe for universal applications.
- Excellent UV, heat and humidity resistance; long-lasting durability in harsh environments.
- Operating temperature (fully cured): -50°C to 180°C.
- Withstands up to 25% joint movement, ensuring long-term structural integrity.
Basic Uses
- Structural silicone sealant for sealing and bonding high-rise curtain walls, aluminum/terracotta cladding and steel structures.
- Ensures reliable structural fixing of glass, composite and metal panel systems.
- Suitable for structural curtain wall sealing in architectural and industrial applications.
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; mixed-model sampling is accepted 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 for sampling and quality verification.
Q4. Shipping Methods
- Mass production orders: Shipped by reliable sea freight, cost-effective for bulk quantities.
- Sample orders: Delivered via international express (FedEx, DHL) for fast and secure delivery.
Q5. Order Procedure
- Clarify technical requirements and application scenarios.
- We provide a customized quotation based on your needs.
- Confirm sample qualification and arrange deposit payment.
- Commence mass production with real-time progress updates.
Q6. Logo Customization
- Yes, we support custom logo branding. Written confirmation including logo files, design specifications, etc., is required prior to production to ensure accuracy.
Q7. Quality Warranty
- 35-year performance warranty for structural silicone sealant – ensures long-term reliability and structural integrity.

