BoPin 790 Fire-Rated Silicone Sealant

BoPin 790 is a single-component, neutral-cure, high-performance silicone sealant with outstanding fire-retardant properties. It remains transparent in flame, does not support combustion, and self-extinguishes immediately upon removal of the ignition source — achieving UL94 V-0 flame retardant classification. The product cures at room temperature upon exposure to atmospheric moisture, forming a durable, flexible rubber that bonds reliably to glass, aluminium, steel, stone and most common building materials without primer. Suitable for fire door and window sealing, curtain wall fire-stop banding, electronic and electrical component flame-retardant sealing, and moisture-resistant sealing in public spaces where fire safety is a primary requirement.

Principales ventajas

UL94 V-0 flame retardant classification — transparent in flame, non-combusting, self-extinguishing
Neutral cure — non-corrosive, safe for use on metals, coated glass, stone and most building materials
Good adhesion to glass, aluminium, steel and stone without primer
Sag resistance ≤3mm — suitable for vertical joint applications
Stable performance from -50°C to +170°C
Good movement capability — ±20% accommodates minor structural movement at fire-rated joints
Meets GB/T 24267-2009 standard

Adhere To

Glass and coated glass
Aluminium and steel
Natural stone and ceramic
Hormigón y mampostería
Most common building materials (compatibility test recommended for non-standard substrates)

Application Areas

Fire door and window frame bonding and perimeter sealing
Curtain wall fire-stop banding and each-floor fire barrier sealing
Electronic and electrical component fixing and flame-retardant sealing
Fire-resistant and moisture-resistant decorative sealing in public spaces
General fire-rated joint sealing in commercial and public buildings

Paquete

300ml cartridge — 24 units per carton Available colors upon request

Información adicional

Sistema de curado	Single-component neutral cure
Fire Retardant Classification	UL94 V-0
Sag / Slump (mm)	≤3
Skin Formation Time (min)	≤30
Working Time (min)	≤25
Cure Rate (depth)	2–3 mm/day
Dureza (Shore A)	45
Tensile Strength (MPa)	≥1.0
Elongation at Max Strength (%)	≥150
Alargamiento a la rotura (%)	≥200
Capacidad de movimiento	±20%
Resistencia a la temperatura	-50°C to +170°C
Vida útil	12 months (unopened, ≤25°C)
Color	Black, Customized
Estándar	GB/T 24267-2009

Preparación de la superficie — Ensure all surfaces are clean, dry and free from dust, grease and old sealant residues. For fire door and curtain wall applications, verify that joint dimensions comply with the relevant fire-rated system design.
Aplicación — Cut cartridge tip at 45°, load into sealant gun and apply with steady, even pressure into the joint. Tool within the working time using a wet spatula.
Curing — Allow to cure at room temperature with adequate ventilation. Full mechanical properties develop after 7 days.
Limpieza — Remove uncured sealant with a solvent before skin formation. Cured sealant must be removed mechanically.

Limitations

Not suitable for structural load-bearing applications
No apto para inmersión continua en agua
Not suitable for use in sealed, unventilated spaces or in direct contact with food or drinking water
Not suitable for bonding copper or copper alloy components — copper ions inhibit cure
Not suitable for surfaces containing plasticiser or solvent residues
Do not apply when substrate temperature is below 4°C or above 40°C

Consejos

This product achieves V-0 flame retardant classification under GB/T 24267-2009. For fire-rated penetration sealing requiring EI or EW rated systems, verify compliance with local fire codes before specifying
Always verify that the intended application complies with local building code and fire safety regulations before specifying
Conduct a compatibility and adhesion test on actual project substrates before full application
Store cartridges upright in a cool, dry location away from heat and direct sunlight

BoPin 790 Fire-Rated Silicone Sealant

Información adicional

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