GMW GMW14700 PDF

Note: Nothing in the specification supersedes applicable laws and regulations unless specific exemption has been obtained.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

This standard describes the test procedures to evaluate the stone impact resistance of coatings. Method A is a contained method where the gravelometer is contained in a constant temperature freezer and Method B is the transfer method where test panels are transferred from a freezer to the gravelometer at room temperature. Method C is a contained method where the gravelometer is contained in a constant temperature room.