296 Marine Glass Window Adhesive

Highest Strength General Purpose Structural Adhesive • Ideal for Mineral Glass
By: Sika

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Sikaflex-296 is a black, one-part, moisture-cured polyurethane adhesive, specifically formulated for the frameless bonding of large mineral glass windows in marine applications.
Frameless bonding is the same technique used to install automotive glass windshields. It eliminates the need for unsightly metal frames and gives incredible design freedom for modern boat building.

NOT just for bonding glass, 296 is Sika's strongest one-part marine structural adhesive.
It bonds to a wide range of substrates, and can be used above or below the waterline.

• Only available in 20 oz foil packs, and requires a 20 oz dispenser gun; see Accessory Products, below
• Very high 870 psi tensile strength, as well as very high green strength
• Fast skinning - 45 minute tack-free time
• Adheres well to a wide range of substrates
• Do NOT use to bond organic (plastic) glass - e.g. polycarbonate (Lexan®) or acrylic (Plexiglas®) — use Sika 295 UV for plastics
• Do not use as a deck seam sealant
• Very short cut-off when terminating the bead; less messy to use
• Solvent and PVC free
• Bonds very well to itself and other cured polyurethanes
• Thermally and electrically nonconductive
• Please refer to the Sika Primer Chart, as well as the Marine Direct Glazing Guide, on the Sika Industry USA website, for specific application information for both the window material and the window frame material.

NOTE - for the 296 Window Adhesive to bond, you MUST use it in conjunction with both Sika Aktivator 100 pre-treament and Sika Primer 206 G+P for glass — both have required adhesion promoters.

These instructions for how to bond and seal glass windows is one of the documents listed in the link referred to, below.
Note that in this document, Skia Aktivator 100 is simply called Aktivator.

Sika has published a number of excellent technical "how to" documents for common marine applications using their Aktivators, Primers, and Adhesive/Sealants.
Topics covered include bedding and sealing hardware, rub rails, plastic windows, mineral glass windows, wood, UV exposure issues, etc.

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