Structural Silicone Sealant, Specially Formulated for Curtain Walls Structural Sealing
Characteristic
This is a one-component, neutral-curing RTV structural silicone sealant.
It is non-corrosive to all bonding surfaces, delivering outstanding weatherability with excellent UV, heat and humidity resistance.
With wide temperature stability from -50℃ to 180℃ (cured) and ±25% movement capability, it is ideal for structural sealing and glazing of high-rise, aluminum, terracotta curtain walls and metal structures.
Usages
- Joint structural waterproofing and sealing for steel structure buildings and metal roofs
- Structural fixing and sealing for exterior aluminum veneer and honeycomb aluminum panels
- Curtain wall projects of large public buildings such as airports, high-speed railway stations and exhibition centers
- Secondary structural sealing assembly for insulating glass
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 Supply
Free available samples are provided for quality and performance tests. You can mix different types in one sample order to meet all your testing needs.
Q2. Production Cycle
Samples take 2–3 working days to prepare.
After your deposit is confirmed, mass production will start in 5–7 working days.
Q3. Minimum Order Quantity
No high MOQ limit here. You can place a small trial order with even one unit to check quality first.
Q4. Delivery Options
Bulk goods go by sea to save your freight cost.
Sample orders use DHL, FedEx and other couriers for quick door-to-door delivery.
Q5. Order Process
Share your product specs and application needs, we make a personalized quote for you. Confirm samples and pay the deposit, then we start mass production and keep you updated on every progress.
Q6. Custom Logo Service
We support custom logo printing. Please send us your original logo files in advance for confirmation, to avoid any design mistakes.
Q7. Quality Guarantee
Our structural silicone sealant enjoys a 35-year quality warranty, keeping stable performance and reliable structural safety for long-term building use.
