Standard Test Method for Pressure Mottling and Blocking Resistance of Organic Coatings on Metal Substrates
STANDARD published on 1.6.2026
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Designation standards: ASTM D3003-26
Publication date standards: 1.6.2026
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
This test method covers the procedures for determining the pressure mottling and sticking, or blocking resistance of organic coatings applied on coil-coated or factory coated metal substrates prior to fabrication. The coated metal is cut into at least four, preferably six, suitably-sized panels which are then subjected to a specified pressure and temperature for a specified time. After the heat is turned off and the specimen cooled, the samples are examined for any signs of sticking or blocking and mottling.
Keywords:
blocking resistance, pressure mottling,, ICS Number Code 25.220.60 (Organic coatings)