Foster® 60-39 Monolar Mastic is a durable, solvent-based sealant offering exceptional adhesion and flexibility. This grey mastic is specifically formulated for industrial insulation applications, providing a tough and resistant seal against moisture and air infiltration. Its unique properties make it suitable for both indoor and outdoor use, ensuring long-lasting protection. Specifications and Properties Color: Grey Type: Solvent-based mastic Packaging: 20 ltr. / 22 kg pail Brand: Foster® Product Code: 60-39 Application Temperature Range: Between 40°F (4°C) and 110°F (43°C) Service Temperature Range: -20°F (-29°C) to 200°F (93°C) Dry Time: 24 to 48 hours depending on thickness, temperature, and humidity VOC Content: Compliant with current regulations Consistency: Trowel-applied Flexibility: Remains pliable after drying Adhesion: Excellent to most surfaces without a primer Features and Application Weather-resistant: Offers a durable barrier against the elements. Versatile Adhesion: Bonds well to a variety of substrates including metals, masonry, and insulation materials. Ease of Use: Can be easily applied by trowel or spatula due to its smooth consistency. Application Designed for sealing joints and seams in industrial insulation systems. Ideal for use on outdoor insulation claddings to prevent water and air ingress. Suitable for repairing cracks and gaps in masonry or metal surfaces where a flexible, waterproof seal is required. Can be used in both new construction and maintenance applications in commercial or industrial settings.
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