The main difference between Vulkem 351NF Part A and Vulkem 360NF lies in their specific applications and formulations: Vulkem 351NF Part A: Usage: It is part of the Vulkem 350NF/351NF pedestrian deck coating system. Function: Acts as a topcoat in the system, providing a durable, wear-resistant surface. Formulation: It is a low-odor, low-VOC, polyurethane coating designed for pedestrian traffic.Vulkem 360NF: Usage: Typically used in different waterproofing and coating systems, not specifically paired with Vulkem 350NF. Function: It serves as a base coat or intermediate coat in various applications, providing waterproofing and protection. Formulation: It is also a polyurethane-based product but may have different properties tailored for its specific use cases