Recommended and Unsuitable Applications of Polyurea
Knowledge
19 Nov, 2024
Polyurea is widely applied in waterproofing, especially the advanced third-generation polyaspartic formulations. Due to its excellent physicochemical properties, ease of application, and environmental benefits, it is considered superior to many conventional waterproofing materials and techniques. However, despite its many advantages, polyurea has limitations in certain applications.
Ideal Applications for Polyurea
Polyurea is ideal for replacing less effective coatings or linings, particularly in projects requiring frequent maintenance, repeated constructions, or extensive post-application repairs.
It addresses challenges that conventional coatings or linings cannot overcome, making it suitable for environments requiring corrosion resistance, wear resistance, crack resistance, or anti-slip properties.
Thanks to its versatile properties, polyurea offers a durable solution with minimal maintenance requirements. It provides great cost-effectiveness for applications such as high-grade building waterproofing and durable, corrosion-resistant flooring, significantly extending their lifespan.
For anti-corrosion and reinforcement purposes, polyurea is particularly effective. It’s suitable for structures prone to cracking, such as pipe supports, beams, columns, docks, equipment foundations, and other concrete structures.
Limitations of Polyurea
Although polyurea performs well in many settings, its applicability is not without limits. It may not be ideal in environments with strong acids or bases, as performance varies depending on the type of polyaspartic used, or in conditions of prolonged extreme temperatures.
Polyaspartic offers excellent weather resistance, with a recommended temperature range of -40°C to 120°C.
While its application is not restricted by seasons, the optimal temperature for application is 25°C.
Primers and interface agents must be carefully selected based on ambient temperature and humidity to ensure optimal adhesion between the topcoat and substrate.
As a two-component chemical product, the maintenance period post-application is crucial. Premature use can lead to a decrease in coating performance in some areas.
Polyurea offers a notable advantage in terms of rapid application at construction sites.
Feiyang has been specializing in the production of raw materials for polyaspartic coatings for 30 years and can provide polyaspartic resins, hardeners and coating formulations. Some of our polyaspartic coating formulations: Polyaspartic Coating