PU Sealant & Adhesive
PU Sealant is a versatile sealing and bonding material widely used in construction, automotive, flooring, and industrial applications. It offers strong adhesion, high flexibility, durable waterproof performance, and good resistance to weathering and chemicals. PU sealant bonds well to concrete, metal, glass, wood, and plastics, making it ideal for joint sealing, gap filling, and structural bonding. Available in one-component and two-component systems, it supports both general construction needs and heavy-duty industrial tasks. With excellent elasticity and long-term stability, PU sealant delivers reliable performance in a wide range of environments.
Advantages of Howell PU Sealants
Reliable performance in both indoor and outdoor applications
High bonding strength combined with long-term flexibility
Suitable for static and dynamic joints
Supports industrial automation and manual application
Stable performance across a wide temperature range
For demanding industrial bonding applications, two component polyurethane sealants such as PU5424 provide enhanced strength, durability, and controlled curing for precise assembly processes.
FAQ
Q1: What is PU sealant mainly used for?
PU sealant is used for sealing joints, filling gaps, waterproofing, and structural bonding in construction, automotive, flooring, and industrial applications.
Q2: Can PU sealant be used outdoors?
Yes. PU sealants provide excellent weather resistance, UV stability, and waterproof performance, making them suitable for long-term outdoor use.
Q3: Which substrates can PU sealant bond to?
PU sealants bond well to concrete, metal, glass, wood, plastics, and composite materials. For low-surface-energy substrates, surface treatment or primer may be recommended.
