GMW-15288-2015 .pdf

WORLDWIDE Test Procedure ENGINEERING GMW15288 QRD STANDARDS Scab Corrosion Creepback of Paint Systems on Metal Substrates 3.2.5 Scribe Equipment. Refer to GMW15282 for 1 Scope equipment necessary. Note: Nothing in this standard supersedes 3.3 Test Vehicle/Test Piece. Not applicable. applicable laws and regulations. 3.4 Test Time. Note: In the event of conflict between the English Calendar time: 28 days and domestic language, the English language shall take precedence. Test hours: 672 hours 1.1 Purpose. This test method outlines the Coordination hours: 1 to 2 hours procedure to be followed when evaluating scab 3.5 Test Required Information. Not applicable. corrosion resistance on painted metal substrates, such as steel, zinc coated steel and aluminum. 3.6 Personnel/Skills. Not applicable. Scab corrosion is the loss of paint adhesion and corrosion of the base metal which results in the 4 Procedure distortion or upheaval of the paint film. 4.1 Preparation. When this specification appears 1.2 Foreword. Not applicable. on an engineering drawing, actual parts coated 1.3 Applicability. Not applicable.