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This article presents a brief description of the various approaches to determine longterm durability of coatings. Following the introduction, some data from SSPC's Performance of Alternate Coatings in the Environment (PACE) program are presented, com...

On earth, our major source of radiant energy is the sun. It supplies warmth (heat or infrared radiation), light radiation (both visible light and ultraviolet light), and a wide range of energy of other types (e.g., X-rays, gamma rays, and cosmic rays...

Short wave UV light is responsible for much of the damage to sealants exposed outdoors. Moisture also causes damage, and there often is a synergistic effect between UV and moisture. Experience has shown that materials resistant to UV alone or to mois...

This paper describes a method of Cyclic Accelerated Corrosion known as the Mebon Prohesion Test. This test relates more closely to long term natural exposure than do conventional salt spray, humidity or sulphur dioxide tests. The Prohesion test usual...

Organic coatings are commonly used to protect metallic engineering structures from degradation caused by natural or artificial environments. A recent estimate suggests that in 1986, the total value of shipments of paint and allied products in the U. ...