High Modulus Glass Structural Sealan
High Modulus Glass Structural Sealant
Professional Structural Silicone Sealant for Curtain Wall Systems and Architectural Glazing
High Modulus Glass Structural Sealant is a premium-grade, one-component, neutral-curing silicone sealant specifically engineered for structural glazing, curtain wall construction, architectural façades, and load-bearing glass bonding applications.
Formulated with advanced silicone polymer technology, it cures upon exposure to atmospheric moisture to form a high-strength, highly elastic silicone rubber. The cured sealant provides exceptional adhesion, long-term structural stability, and outstanding resistance to wind loads, thermal movement, UV radiation, and harsh environmental conditions.
Widely trusted by curtain wall fabricators, glazing contractors, façade engineering companies, and building material distributors, this sealant delivers reliable structural performance for modern commercial buildings, airports, shopping centers, hotels, and large-scale architectural projects worldwide.
Technical Data Sheet (TDS)
|
Property |
Value |
|
Cure Type |
Neutral Cure |
|
Appearance |
Smooth Paste |
|
Density |
1.40 ± 0.05 g/cm³ |
|
Tack-Free Time |
20–60 Minutes |
|
Cure Rate |
2–3 mm / 24 Hours |
|
Hardness (Shore A) |
40–50 |
|
Tensile Strength |
≥1.2 MPa |
|
Elongation at Break |
≥300% |
|
Movement Capability |
±25% |
|
Sagging |
0 mm |
|
Service Temperature |
-50°C to +150°C |
|
Application Temperature |
+5°C to +40°C |
|
UV Resistance |
Excellent |
|
Weather Resistance |
Excellent |
Key Features & Benefits
High Modulus Structural Strength
Engineered to cure into a high-strength silicone rubber with excellent tensile and shear strength, providing long-term structural support for demanding glazing applications.
Suitable for:
- Structural Glazing Systems
- Curtain Wall Construction
- Glass Façades
- Skylight Systems
- Load-Bearing Glass Assemblies
Outstanding Weather Resistance
Manufactured from premium-quality silicone polymers without low-cost plasticizers.
Provides excellent resistance to:
- UV Radiation
- Ozone Exposure
- Acid Rain
- Humidity
- Extreme Temperatures
- Long-Term Outdoor Aging
Service temperature range:
- -50°C to +150°C
- Suitable for use in tropical, coastal, desert, and cold-climate environments.
Neutral Cure Technology
The non-corrosive neutral curing system ensures excellent compatibility with:
- Tempered Glass
- Laminated Glass
- Coated Glass
- Low-E Glass
- Aluminum
- Stainless Steel
- Galvanized Steel
Helping maintain long-term structural safety and substrate integrity.
Long Service Life
When properly designed and installed, the sealant can maintain reliable structural performance for more than 25 years.
Typical Applications
Curtain Wall Systems
Structural Glazing
Four-Sided Structural Glazing
Two-Sided Structural Glazing
Unitized Curtain Walls
Point-Supported Glass Systems
Architectural Glass Engineering
Glass Skylights
Glass Canopies
Large Glass Panels
Glass Roof Systems
Building Façades
Interior And Exterior Glazing
Glass Partitions
Frameless Glass Systems
Display Cabinets
Decorative Glass Installations
Specialty Glass Structures
Large Aquariums
Observation Glass Panels
Glass Tourist Attractions
Compatible Substrates
Excellent adhesion to:
Float Glass
Tempered Glass
Laminated Glass
Coated Glass
Low-E Glass
Aluminum
Stainless Steel
Galvanized Steel
Ceramic
Stone
Compliance & Industry Standards
This product is designed and tested according to internationally recognized industry standards.
Relevant standards include:
ASTM C920
ASTM C719
ASTM D412
ASTM G154
GB 16776 Structural Silicone Sealant Standard
ISO 9001 Quality Management System
For projects requiring ASTM C1184 compliance, additional technical support and testing documentation can be provided upon request.
Project Applications
Commercial Office Building Curtain Wall Project
Application:
High-Rise Glass Curtain Wall Systems
Unitized Curtain Wall Construction
Benefits:
Long-Term Wind Load Resistance
Excellent Weather Durability
Reliable Structural Safety
Shopping Mall Skylight Project
Application:
Large-Span Glass Skylight Systems
Benefits:
Outstanding Movement Capability
Long-Term UV Resistance
Excellent Sealing Performance
International Airport Façade Project
Application:
Large Architectural Glass Façades
Benefits:
High Structural Strength
Long-Term Durability
Suitable for Large Public Buildings
Installation Guide
Surface Preparation
Ensure all substrates are:
- Clean
- Dry
- Free of Dust
- Free of Oil and Contaminants
Install Backing Material
Install suitable backer rods or backing materials according to joint design requirements.
Apply Sealant
Apply the sealant evenly using professional dispensing equipment.
Tool the Joint
Tool and finish the sealant joint before skin formation.
Cure and Protect
Allow sufficient curing time before placing the structure into service.
Manufacturing Strength
Modern Production Facility
Production Area:
16,300 m²
Automated Manufacturing
Equipped with:
15 Automated Silicone Sealant Production Lines
Large Production Capacity
Monthly Capacity:
Over 3,000 Tons
Ensuring stable supply and on-time delivery for global customers.
OEM & ODM Services
Available services include:
Private Label Manufacturing
Custom Packaging Design
Customized Labels
Formula Development
Color Matching
Supporting distributors, importers, wholesalers, and building material brands worldwide.
Certifications & Technical Documents
Available upon request:
ISO 9001 Certificate
SGS Test Report
Technical Data Sheet (TDS)
Material Safety Data Sheet (MSDS)
Certificate of Analysis (COA)
Technical support is available throughout project evaluation and approval processes.
Packaging & Logistics
Standard Packaging
Cartridge
300 ml
24 Cartridges / Carton
Sausage
590 ml / 600 ml
20 Sausages / Carton
Industrial Packaging
20 kg Pail
200 L Drum
Suitable for automated glazing production lines.
Container Loading Capacity
Approx. 2,000 Cartons per 20FT Container
(Without Pallets)
Available Colors
Clear
Black
White
Grey
Custom colors available upon request.
Shelf Life
12 Months
Stored in original unopened packaging in a cool and dry environment.
FAQ
Q: Is this sealant suitable for structural glazing?
A: Yes. It is specifically designed for structural glazing, curtain wall systems, and load-bearing glass bonding applications.
Q: Is it compatible with Low-E glass?
A: Yes. The neutral cure formulation is compatible with most coated and Low-E glass systems. Compatibility testing is recommended before use.
Q: Do you offer OEM and private label services?
A: Yes. We provide complete OEM and ODM solutions, including packaging, labeling, and formulation customization.
Q: What is the minimum order quantity (MOQ)?
A: MOQ can be discussed based on packaging requirements and target markets.
Q: Are free samples available?
A: Yes. Free samples are available for testing, evaluation, and project approval.
Q: What is the delivery time?
A: Standard orders are typically shipped within 7–15 days depending on order quantity.
Q: Can you provide third-party test reports?
A: Yes. SGS and other third-party testing reports are available upon request.
Why Global Customers Choose Us
15 Automated Production Lines
Monthly Capacity Over 3,000 Tons
Strict Quality Control System
Free Sample Support
Professional OEM & ODM Services
Technical Project Support
Global Export Experience
Stable Supply and Fast Delivery
Request Free Samples & Technical Support
Looking for a reliable High Modulus Glass Structural Sealant supplier?
Contact us today to receive:
Free Samples
Technical Consultation
OEM & Private Label Solutions
Latest Pricing
Project-Specific Recommendations
Our technical team is ready to support your next glazing and curtain wall project.
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