What is black sealant used for?

Black sealant is a versatile adhesive and sealant product known for its strong bonding and sealing properties, resistance to weather elements, and its role in various industrial, automotive, and construction applications. Unlike other sealants, black sealant often contains silicone or rubber components, providing enhanced flexibility and durability.

Black sealant is widely used in several industries due to its robust properties. Some of the primary applications include:

1. Automotive Industry: Employed for sealing and bonding parts such as windshields, sunroofs, and seams.
2. Construction: Utilized in joints between different building materials, ensuring water and air-tight seals.
3. Roofing: Provides protection against leaks in roof joints and fixtures.
4. HVAC Systems: Ensures air-tight sealing in ductwork and ventilation systems.

Black sealant is characterized by several key properties that make it suitable for demanding environments:

• Flexibility: Withstand expansion and contraction due to temperature changes.
• Durability: Resistant to UV rays, chemicals, and weather conditions.
• Adhesion Strength: Capable of adhering to a wide range of materials including metals, glass, and plastics.
• Temperature Resistance: Functions effectively within a temperature range of -40°C to 150°C.

To understand black sealant better, we examine specific parameters that define its performance:

• Tensile Strength: Typically ranges from 1.4 MPa to 2.3 MPa, ensuring it can withstand significant mechanical stress.
• Elongation at Break: Generally around 300-500%, indicating its capacity for flexibility without damage.
• Curing Time: Varies from 24 to 48 hours for full cure, depending on the environmental conditions.
• Shore A Hardness: Typically between 20 to 35, reflecting its softness and flexibility.

The Dely Company offers a range of black sealant solutions catered to different industries:

• Dely AutoSeal 550: Specifically designed for automotive applications, providing excellent bonding to automotive glass and metal surfaces.
• Dely ConSeal 500: Ideal for construction, offering superior adhesion and waterproofing capabilities for large-scale building projects.
• Dely RoofGuard 300: Provides durable sealing for roofing applications, ensuring long-lasting protection against harsh weather conditions.

1. International Journal of Adhesion and Adhesives: Advances in Sealant Technology, 2020.
2. Construction Materials Journal: Performance Evaluation of Silicone-Based Sealants, 2021.
3. Dely Company Product Brochure, 2023.