Structural Silicone Sealant Manufacturer
Structural Silicone Sealant Manufacturer | Structural Glazing Sealant
SEIMEDA manufactures one-component, neutral-cure Structural Silicone Sealant for glasscurtain walls, structural glazing, and engineered façade systems. As part of our construction sealants and adhesives range, this silicone structural sealant is designed to provide structural bonding between approved glass and supporting frames while accommodating thermal movement and exterior weather exposure.
We supply structural glazing sealant to curtain wall fabricators, glass processors, façade contractors, and international distributors. SEIMEDA also supports project-based product selection, technical documentation requests, and OEM packaging requirements.
Product Type: One-Component Structural Silicone Sealant Cure Type: Neutral Cure Tensile Strength: ≥2.5 MPa Movement Capability: ±50% Application Temperature: 5–40°C Service Temperature: −50 to +150°C
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Product Type: One-Component Structural Silicone Sealant
Cure Type: Neutral Cure
Tensile Strength: ≥2.5 MPa
Movement Capability: ±50%
Application Temperature: 5–40°C
Service Temperature: −50 to +150°C
Product Video
Watch our application video to see structural silicone sealant performancein real projects.
Key Features & Typical Properties
Key Features & Highlights
Product Advantages
High structural safety
Excellent tensile adhesion ensures long-term structural integrity
Outstanding durability
Proven stability under UV exposure, humidity, and thermal cycling
Broad substrate compatibility
Strong adhesion to most building materials without primer
Wide climate adaptability
Remains flexible at low temperatures and stable at high temperatures
Environmentally compatible
Non-corrosive, compatible with other neutral silicone sealants
Main Functions & Applications
Main Functions
Structural bonding
Structural sealing
Wind load and movement accommodation
Long-term weather protection
Typical Applications
Curtain Wall Systems
Unitized, fully hidden, and semi-hidden frame glass curtain walls
Structural bonding and sealing for stone curtain walls and metal panel curtain walls
Skylights & Metal Roofing
Structural bonding for glass skylight systems
Metal roofing systems designed to withstand wind loads and self-weight
Industrial & Special Projects
Secondary sealing for insulating glass units (IGU)
Metal structures in large public buildings such as airports and railway stations
Assembly of special glass engineering projects
Application Scope & Precautions
Application Conditions
Substrates must be clean, dry, and free from oil, grease, and dust.
Application temperature: 10°C – 40°C.
Recommended relative humidity: 40% – 80%.
Limitations
Not suitable for permanent water immersion or continuously damp environments (e.g. basins or pools).
Not suitable for completely enclosed or unventilated structures.
Do not apply on frosted, wet, or dew-covered substrates.
Not suitable for materials that bleed oils, plasticizers, or solvents.
Avoid contact with strong acids or strong alkaline substances.
Composition & Materials
Based on high-quality RTV methyl silicone rubber, formulated with crosslinkers, reinforcing fillers, and weather-resistant additives to ensure long-term structural stability.
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