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Prohesion Process
Prohesion, identified within ASTM G85 Annex A5 as the dilute electrolyte cyclic fog/dry test, represents a sophisticated method for cyclic accelerated corrosion examination.
Unlike the constant exposure conditions of ASTM B117 salt spray or similar static corrosion assessments, the Prohesion test is cyclic approach more closely mirrors the effects of long-term environmental exposure. Samples subjected to Prohesion testing often show blistering and peeling, effects that align with real-world outdoor conditions, making it exceptionally relevant for assessing the corrosion resistance of industrial maintenance coatings.
Kesternich Process
The Kesternich test, a method involving the use of sulphur dioxide (SO2) moisture condensation, is a well-known approach for evaluating corrosion.
Designed to simulate the detrimental effects of acid rain, it serves as a critical tool in understanding how coatings and plated surfaces endure in environments laden with acidic industrial pollutants and corrosive acid precipitation. The Kesternich method exposes materials to conditions akin to industrial pollutants or acid rain, assessing the relative corrosion resistance of coatings, substrates, or products.
Infrastructure, Energy, Ocean(I.E.O) Process
Powder coating (Xylan 1424) involves applying a coating material in the form of a dry, free-flowing powder. This method stands in contrast to traditional liquid paints that rely on solvents to evaporate for application. Typically, powder coating is executed using an electrostatic process, followed by curing with heat or ultraviolet light. The composition of the powder can either be thermoplastic or thermoset polymer, aimed at producing a robust, dense coating superior in durability to standard paints.
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