Foster® 30-52 Fireflex Mastic is a water-based, fire-resistive mastic available in white, grey, and black, designed to provide excellent protection for thermal insulation and fireproofing applications. This versatile sealant is formulated by Foster for commercial use, ensuring a robust seal against fire and heat exposure. It is conveniently packaged in a 10-liter, 13kg pail for easy handling and application. Specifications and Properties Product Type: Mastic Brand: Foster Base: Water-based Colors Available: White, Grey, Black Packaging: 10 ltr / 13kg pail Density: Typically 1.3 kg/liter Solids by Volume: Approximately 65% Service Temperature Range: -29°C to 121°C (-20°F to 250°F) Drying Time: Touch dry in 2-4 hours at 25°C (77°F) and 50% relative humidity VOC Content: Less than 50 grams per liter Features and Application Fire-Resistive: Provides reliable protection in fireproofing applications. Water-Based: Environmentally friendly and easy to clean up. Multiple Colors: Available in white, grey, and black to match a variety of surfaces and aesthetics. Versatile Use: Suitable for both indoor and outdoor applications. Adhesion: Excellent adhesion to a wide range of construction materials. Application: Ideal for use on thermal insulation, fire stops, and as a sealant in various fire-rated assemblies. To ensure optimal performance, apply Foster® 30-52 Fireflex Mastic following the manufacturer's product data sheet and safety guidelines.
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