
Polyurethane construction joint sealant is a high-performance material composed of diisocyanates and polyalcohols. Known for its exceptional adhesion, durability, and flexibility, it is widely used for sealing and bonding surfaces such as metal, wood, plastic, and concrete. Its ability to adapt to various materials makes it a versatile solution in construction and industrial projects.
In addition to polyurethane sealants, silicone joint sealants stand out for their excellent weather resistance, flexibility, and strong adherence to non-porous surfaces. These properties make them ideal for applications requiring reliable performance under extreme temperatures and moisture exposure.
Another widely used sealant is EPDM (Ethylene Propylene Diene Monomer), known for its superior resistance to weather, UV rays, and ozone. This makes it an excellent choice for outdoor applications, especially in construction and industrial settings.
Both polyurethane and silicone sealants, along with EPDM, are indispensable in the construction, automotive, and industrial sectors. They also find applications in manufacturing footwear, furniture, and insulation products. While polyurethane sealants are favored for their versatility and long-lasting durability, silicone sealants are chosen for their superior ability to withstand temperature fluctuations and moisture.
Joint sealing is crucial for:
Preventing Water Ingress: Keeps water out, protecting structures from moisture damage.
Allowing Movement: Accommodates expansion and contraction of materials, preventing cracks.
Enhancing Durability: Extends the lifespan of construction by reducing wear and tear.
Improving Insulation: Helps maintain energy efficiency by sealing gaps.
Maintaining Structural Integrity: Ensures joints remain stable and secure over time.
Here are the main features of polyurethane construction joint sealant:
Excellent Adhesion
Flexibility
Weather Resistance
Durability
Waterproofing
Printability
Low VOC
Ease of Application
Resistance to Chemicals
Self-Leveling