While recommended by Menzerna primarily for cutting down brass, we found this tripoli compound to be both relatively clean-working and efficient on aluminum as well, despite our own past misgivings with other tripoli compounds. End-users with a tendency to over-apply 439T reported excellent cutting performance and a preference for this compound when cutting aluminum. New Generation (superseding 113GZ) has been optimized for higher temperatures (>40°C / 104°F) when used inside polishing machines or in hot climates.
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