LF-8140 Accelerated Corrosion of Paints

It is widely accepted that improved methods for assessing the corrosion controlling properties of organic coatings on steel are needed. Difficulties with established testing procedures (primarily ASTM B 117 salt spgy) have been well documented]-3 and need not be restated here. As pointed out in a recent review,4 the need for reliable short-term testing procedures is greater than ever considering the extensive formulation changes in established coating systems that are expected to result from increasingly stringent volatile organic content (VOC) regulations. More realistic testing procedures will allow meaningful performance comparisons between old and new VOC-compliant compositions without reliance on long-term exterior exposure results.

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