DOWSIL™ Smoke Seal 800SL

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This self-leveling, one-part silicone sealant has excellent unprimed adhesion to many common, non-porous building substrates. A low-modulus sealant, with high adhesive strength and movement capability it has excellent fire resistant properties, which can help prevent the spread of smoke and flames in horizontal floor joints.

Usos:

Sealing connection joints in fire-rated floors and gaps between fire rated walls and concrete floors
Horizontal sealing where smoke tightness is important

Beneficios:

Up to four-hour fire rating
Ready to apply
No tooling required
Cures at room temperature when exposed to moisture in the air
Long service life
Excellent weathering characteristics, including resistance to ozone, UV and high temperatures
Non-corrosive to metals
Tested and classified according to: EN 1366-4 and 13501-2 (joint design details on request)
Tested and classified according to EN 11925 and EN 13510-1
Tested according to EN 1716, UL 2079 and EN 15651-4

Propiedades

Estos valores son propiedades típicas y no están destinados para su uso en la preparación de especificaciones.

Propiedades típicas

Apariencia Sí No Opaco, Negro
Características Especiales Sí No Fire Resistance, Resistencia a Altas Temperaturas
Certificación Sí No Material
Densidad Sí No 1.3 grams per cc
Durómetro - Shore A Sí No 19 Shore A
Dónde Utilizar Sí No Lugar de Trabajo
Elongación Sí No 400 %
Movimiento Sí No Alta
Módulo al 100% de Elongación, Máx. Sí No 52.2 psi
Química Sí No Neutro
Resistencia a la Tracción Sí No 174 psi
Sustrato Sí No No Poroso, Poroso
Tipo Sí No Sellador
Validez Sí No 365 Days
Viscosidad Sí No 28000 mPa.s

Illustration of DOWSIL™ Smoke Seal 800SL

Fire-rated Sealants

How can we limit the spread of fire when it comes to building design? Including passive fire-protection in a building design helps contain fire and smoke, allowing more time for building occupants to escape. This is why building materials we select are so vital: the materials’ behavior in resisting fire is a key factor in determining how much time will be available to exit a building. Dow High Performance Building offers a range of DOWSIL™ brand solutions for vertical and horizontal applications as well as cable penetrations, fenestrations and building element connections, including DOWSIL™ Smoke Seal 800SL.

A distinct advantage

Sealants can help limit the spread of fire and smoke in passive, fire-protective building designs. Silicone technologies are non-flame propagating, do not produce flaming droplets and have a limited non-toxic smoke development. These material properties can be especially beneficial in fire-rated systems and designs and are found in DOWSIL™ Smoke Seal 800SL, developed for joints in floors and the gap between walls and floors. This product has a fire rating of up to four hours and benefits from the renowned characteristics of silicone sealants, such as movement capability, adhesion profile, UV and temperature stability and durability.

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