Address : Alcon Pvt Ltd,
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DOWSIL™ 688 Glazing and Cladding Sealant is one-part neutral cure, construction grade sealant that easily extrudes in any weather. It quickly cures at room temperature by reaction with moisture in the air to form a durable, flexible silicone rubber seal.
It has excellent unprimed-adhesion to most construction materials.
Fire-rated one-part silicone sealant for interior and exterior linear joints and penetration
Features & Benefits
One-part low modulus sealant
Cures at room temperature when exposed to moisture in air
Neutral cure, halogen-free
Easy to apply: non-slump
Excellent unprimed adhesion to most porous and non-porous construction substrates
Excellent weathering characteristics, including resistance to ozone, UV radiation and
Long service life
Conforms to ISO 11600-F&G-25LM
Joint movement capability ±50% (ISO 9047)
Tack-free in 1.5 hours
Fire reaction tested and classified B,s2,d0 according to EN13501-1
Fire resistance tested for linear joints according to EN1366-4 and BS 476 Part 22
Fire resistance tested for penetration seals according to BS 476-22
A fire resistance rating in integrity (E) and insulation (EI) of up to 240 minutes–4 hours
can be achieved depending on the joint configuration
CE marked as a fire resistant sealant according to EAD 350141-00-1106 (ETAG 026)
Civil Defense Approval for UAE
Approved for railway standard EN 45545-2, R22/R23/R24-HL2
The sealing of vertical and horizontal linear expansion joints and pipe and cable
penetrations in fire rated walls
A one-component, self-priming, shelf-stable, neutral-cure, elastomeric adhesive specifically formulated for silicone structural glazing and exhibits excellent unprimed adhesion to most building substrates. This product has superior unprimed adhesion for structural glazing applications for hurricane or impact rated windows and doors. It has a movement capability of +/- 50%.
DOWSIL™ General Purpose Silicone Sealant is a one-part, acetoxy cure silicone sealant for general purpose applications. It provides a flexible bond and will not harden or crack. DOWSIL General Purpose Silicone Sealant is a high-performance sealant, with ±25% movement capability when properly applied.
DOWSIL Glass & Metal Silicone Sealant is a high performance sealant offering long term durability in a range of general sealing, general glazing, weatherproofing and Professional Trade Applications. It is a moisture curing one part neutral cure
silicone rubber sealant.
DOWSIL Sanitary and Tile Silicone Sealant is a high performance, neutral cure silicone sealant designed to resist the growth of mould and mildew where conditions of high humidity and temperature exist. It is ideal for use in around bathrooms, laundry sinks, ceramic tiles and vitreous china namel painted surfaces