Long-Life Structural Silicone Sealant
Long-Life Structural Silicone Sealant
Premium Structural Bonding Solution for Curtain Walls, Facades & Architectural Glazing
Long-Life Structural Silicone Sealant is a premium-grade, neutral curing, high-modulus silicone adhesive specifically engineered for structural glazing, curtain wall systems, architectural facades, and demanding construction applications.
Developed with advanced silicone polymer technology, it delivers exceptional adhesion, superior tensile strength, long-term elasticity, and outstanding weather resistance. The sealant is designed to provide reliable structural bonding performance throughout the service life of modern buildings, even under extreme environmental conditions.
Suitable for bonding and sealing glass, aluminum, stainless steel, galvanized steel, coated metals, concrete, stone, and a wide range of construction materials.
Designed for safety-critical structural glazing applications, this sealant helps ensure long-term load transfer, building integrity, and facade reliability.
Why Choose Our Long-Life Structural Silicone Sealant
Designed for 25+ Years of Service Life
Engineered to maintain structural performance for decades with minimal degradation, reducing maintenance costs and extending facade lifespan.
Proven Performance in Global Construction Projects
Widely used in commercial buildings, office towers, shopping centers, airports, hotels, hospitals, and large-scale curtain wall projects across multiple climate zones.
Excellent Resistance to Harsh Environments
Maintains stable performance under:
UV radiation
Extreme temperatures
High humidity
Ozone exposure
Acid rain
Industrial pollutants
Coastal environments
Reliable Structural Safety
Provides high-strength structural bonding for safety-critical curtain wall systems while maintaining long-term flexibility and movement accommodation.
Technical Specifications
|
Property |
Test Method |
Typical Value |
|
Appearance |
Visual |
Smooth Paste |
|
Cure System |
- |
Neutral Cure |
|
Density |
ASTM D792 |
1.40 ± 0.05 g/cm³ |
|
Sag |
ASTM C639 |
0 mm |
|
Skin Over Time |
ASTM C679 |
20-30 min |
|
Tack Free Time |
ASTM C679 |
60-120 min |
|
Hardness |
ASTM C661 |
Shore A 42 |
|
Tensile Strength |
ASTM D412 |
≥1.35 MPa |
|
Elastic Recovery |
ASTM C794 |
≥95% |
|
Movement Capability |
ASTM C719 |
±25% |
|
Service Temperature |
Internal Standard |
-50°C to +150°C |
|
Application Temperature |
- |
+5°C to +40°C |
Key Features
High Structural Load-Bearing Capacity
Formulated to deliver superior tensile strength and long-term mechanical stability for structural glazing and facade applications.
Exceptional Long-Term Durability
Outstanding resistance to:
- UV radiation
- Thermal cycling
- Weather aging
- Ozone attack
- Moisture exposure
Without cracking, chalking, or loss of adhesion.
High Elasticity & Movement Capability
Accommodates structural movement caused by:
- Wind loads
- Thermal expansion
- Building settlement
- Dynamic facade stresses
While maintaining a durable and watertight seal.
Excellent Primerless Adhesion
Provides strong adhesion to many common construction materials without primer, helping reduce installation time and project costs.
Weatherproof and Waterproof Performance
Creates a durable weather barrier that protects building envelopes from water ingress and environmental degradation.
Compatible with Modern Curtain Wall Systems
Suitable for:
- Unitized Curtain Walls
- Stick Curtain Walls
- Structural Silicone Glazing (SSG)
- Total Vision Glass Systems
- Point-Supported Facades
Engineering & Technical Support
Our experienced technical team provides professional support throughout your project lifecycle:
- Adhesion Testing
- Compatibility Testing
- Mock-Up Evaluation
- Structural Glazing Consultation
- Sealant Selection Assistance
- Project-Specific Recommendations
- Technical Data Support
This helps ensure optimal sealant performance and compliance with project specifications.
Applications
Structural Silicone Glazing (SSG)
Designed for two-sided and four-sided structural glazing systems requiring long-term load transfer and reliable bonding performance.
Curtain Wall Systems
Structural bonding of glass, aluminum, and metal components in modern curtain wall assemblies.
High-Rise Commercial Buildings
Suitable for skyscrapers and large-scale commercial projects exposed to severe wind loads and environmental stress.
Architectural Facades
Used in decorative facades, unitized systems, and modern architectural envelopes.
Total Vision Glass (TVG) Systems
Provides clean, seamless structural bonding for frameless and minimally framed glazing systems.
Industrial Structural Bonding
Suitable for demanding industrial glazing and panel bonding applications.
- Industries Served
- Commercial Buildings
- Airports
- Hotels & Resorts
- Shopping Centers
- Hospitals
- Government Buildings
- Educational Facilities
- Industrial Complexes
- Residential High-Rise Towers
- Transportation Hubs
OEM / ODM Services
Private Label & Brand Customization
We provide comprehensive OEM manufacturing services including:
Custom Brand Labels
Full-Color Cartridge Printing
Customized Packaging Design
Carton Artwork Design
Shipping Mark Customization
Helping distributors and importers build strong local brands.
Climate-Adaptive ODM Formulation
Our R&D team can customize:
Skin-over Time
Cure Speed
Viscosity
Mechanical Properties
RAL Color Matching
To suit different climates, regulations, and project requirements.
Packaging Information
Standard Packaging Options
- 300ml Cartridge
- 24 pcs/carton
- 590ml / 600ml Sausage
- 20 pcs/carton
- Drum Packaging
Available for automated factory glazing and large-scale industrial production.
Export Logistics Protection
All shipments are protected with:
- ISPM-15 Compliant Pallets
- Fumigation-Free Export Pallets
- Waterproof Stretch Film
- Reinforced Corner Protection
- Heavy-Duty Export Cartons
To ensure safe international transportation.
Certifications & Compliance
International Standards
Tested and manufactured in accordance with:
●ASTM C1184
●ASTM C719
●ASTM C794
●ASTM D412
●GB 16776
●ISO 9001:2015 Quality Management System
Ensuring reliable performance for structural glazing applications.
Factory Quality Assurance
Every production batch undergoes:
●Raw Material Verification
●In-Process Quality Control
●Finished Product Testing
●Batch Traceability Management
Certificates of Analysis (COA) are available for every shipment.
Quality Assurance
Our commitment to quality includes:
Strict Supplier Qualification
Automated Production Control
Independent Laboratory Testing
Batch Traceability System
Pre-Shipment Inspection
Continuous Product Improvement
Global Project Experience
Our structural silicone sealant has been supplied to construction projects in Asia, the Middle East, Africa, South America, and other international markets.
Applications include:
- Commercial Towers
- Airport Terminals
- Shopping Malls
- Hotels
- Government Buildings
- Residential Complexes
- Industrial Facilities
Field performance demonstrates excellent long-term adhesion and weather resistance under diverse climatic conditions.
FAQ
Q: Is this sealant suitable for four-sided structural glazing?
A: Yes. It is specifically engineered for both two-sided and four-sided structural glazing systems.
Q: Is primer required?
A: Many common substrates do not require primer. However, project-specific adhesion testing is always recommended.
Q: Can it be used in tropical climates?
A: Yes. It offers excellent resistance to heat, humidity, UV radiation, and heavy rainfall.
Q: Can it be used in cold climates?
A: Yes. The service temperature range is from -50°C to +150°C.
Q: What is the expected service life?
A: Under proper design and installation conditions, the sealant is designed to provide 25+ years of structural performance.
Q: Do you provide free samples?
A: Yes. Free samples are available for laboratory evaluation and field testing.
Q: Do you provide adhesion and compatibility testing?
A: Yes. Our technical team can provide project-specific testing support.
Q: What is the MOQ for OEM orders?
A: MOQ depends on packaging specifications and customization requirements. Please contact us for detailed information.
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