Structural Silicone Sealant for Exterior Use – Ultra Weather‑Resistant, UV‑Proof & Waterproof, High‑Strength Adhesive for Exterior Walls & Glass Assembly
Feature
- Our one-part neutral-cure RTV silicone sealant cures efficiently and stably.
- Non-corrosive to all bonded substrates, safe for universal application.
- Excellent UV, high-temperature & humidity resistance, long-lasting durability in harsh conditions.
- Fully cured operating temp range: -50°C to 180°C.
- Accommodates up to 25% joint movement, maintaining long-term structural integrity.
Basic Uses
- This structural silicone sealant is designed for sealing & bonding high-rise curtain walls, aluminum/terracotta cladding and steel structures.
- It ensures reliable structural mounting of glass, composite, metal panels and other panel systems.
- Also suitable for other structural curtain wall sealing in architectural & 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 available for quality evaluation; mixed-model sampling accepted to meet diverse testing needs.
Q2. Production Lead Time
- Sample preparation: 2–3 working days
- Mass production lead time: 5–7 working days (after deposit confirmation)
Q3. MOQ Policy
Ultra-low MOQ: 1 unit available for sampling & quality verification.
Q4. Shipping Methods
- Mass production orders: Shipped via reliable sea freight (cost-effective for bulk shipments)
- Sample orders: Delivered by international express (FedEx, DHL) for fast delivery
Q5. Order Procedure
- Clarify technical requirements and application scenarios
- Obtain a customized quotation per your needs
- Confirm sample qualification and remit the deposit
- Launch mass production & provide real-time progress updates
Q6. Logo Customization
Yes, we support custom logo branding. Written confirmation (logo files, design specs, etc.) is required before production for accuracy.
Q7. Quality Warranty
Our structural silicone sealant includes a 35‑year performance warranty, ensuring long‑term reliability and structural integrity for your projects.

