Новости

ASTM D3003-01-2022 Стандартный метод испытаний на устойчивость к вдавливанию и адгезию органических покрытий на подложках

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. Металл с покрытием разрезается как минимум на четыре части и, рекомендуемые, шесть листов подходящего размера, which are then placed under...

Читать далее...

АСТМ Д 6676-2021 “Determination of Cathodic Exfoliability of Pipe Wall Coatings upon Heating by Internal Heating Method”

Значение и цель 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...

Читать далее...