Boss Pro | 142315 | 9.5 oz Clear 802 Acetoxy Cure Silicone Adhesive

The Boss Pro 142315 802 General Purpose Silicone Adhesive is a one-part, acetoxy-cure silicone sealant designed for professional sealing, bonding, and waterproofing applications. Packaged in a 9.5 oz (304.6 mL) cartridge, this clear silicone cures upon exposure to atmospheric moisture to form a durable, flexible rubber seal with excellent adhesion to glass, ceramic, aluminum, painted surfaces, many plastics, and other non-porous building materials. 

Ideal for interior and exterior construction, pool, spa, marine, and general maintenance applications, the waterproof formula resists UV exposure, weathering, ozone, and temperature extremes while maintaining long-term flexibility. 

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Key Features

• 9.5 oz (304.6 mL) cartridge of clear silicone adhesive

• One-part acetoxy-cure formulation

• Waterproof, weatherproof, and UV resistant

• Excellent adhesion to glass, ceramic, aluminum, painted surfaces, and many plastics

• Flexible seal resists cracking and shrinking

• Ideal for general-purpose sealing and bonding applications

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Product Overview

Boss Pro 802 Acetoxy Cure Silicone Adhesive is engineered to provide a dependable waterproof seal for a wide variety of residential, commercial, and industrial applications. The non-sag formulation applies easily to vertical and overhead surfaces, curing to a flexible silicone rubber that accommodates joint movement while maintaining excellent adhesion. Typical properties include a 20-minute tack-free time, 24-hour cure, 300 psi tensile strength, 500% elongation, and a service temperature range of -40°F to 400°F (-40°C to 204°C). 

Commonly used for windows, doors, glazing, HVAC components, marine equipment, pool and spa applications, and general construction sealing, Boss Pro 802 delivers long-lasting performance in demanding indoor and outdoor environments. For best results, apply to clean, dry surfaces and follow the manufacturer's recommendations regarding joint preparation and curing time before exposing the sealant to moisture or service conditions.