ASTM Int'l Issues Standard for Measurement of Water, Volatiles - ASTM D 7245
March 12, 2008 // Published as a news service by IHS
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ASTM International issued ASTM D 7245 - Test Method for Measuring Total Water and Volatiles in Liquid Coatings Which Produce Cure Water Upon Heating, which measures the water and volatile content of high baked phenolic coatings.
Total water content and volatile content results obtained with ASTM D 7245 are allowable when using ASTM D 3960 - Practice for Determining Volatile Organic Compound (VOC) Content of Paints and Related Coatings to determine VOC.
According to Steve Brunner, technical director, Heresite Protective Coatings, ASTM D 7245 allows for taking cure water (the water resulting from heat induced condensation reaction of coatings) into account as part of the total water measured rather than treating it as a VOC.
The standard is for regulatory agencies and manufacturers of phenolic coatings.
"Since it determines water and volatiles as one test, it is possible to use this method on other coating species as well but testing will need to be done to determine applicability," said Brunner.
The standard was developed by Subcommittee D01.21 on Chemical Analysis of Paints and Paint Materials, which is part of ASTM International Committee D01 on Paint and Related Coatings, Materials and Applications.
Source: ASTM International.