Abstract The test method covers procedures for determining pressure spots and adhesion or anti-adhesion properties of organic coatings applied to coil coated or factory coated metal substrates prior to fabrication. The coated metal is cut into at least four and, recommended, six sheets of suitable size, which are then placed under...
"Standard Practice for Coil Coating Using Winding Traction Bars" (美国材料试验协会D 4147) ASTM D4147 is the standard method for applying a thin film coating of uniform thickness to a flat plate using a coiled scratch rod. 美国材料试验协会D 4147-1999 Preparation of Coil Coatings with Coiled Wire and Scraper The plate is fixed on...
意义和目的 5.1 This procedure defines a test method for comparing the relative wear resistance of pipe coatings. 5.2 Wear resistance can be used to specify a better coating thickness for candidate materials in the development and research work of studying new coating systems or methods and in quality control. 范围 1.1...
意义和目的 4.1 Damage to pipe coatings is almost inevitable during transportation and construction. Breaking or peeling of the pipe coating may expose the pipe to possible corrosion because after the pipe is installed underground, the surrounding soil will be moist and will constitute effective electrolytes. The cathodic protection potential...
