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The CGW 4.5” x 7/8” T27 A3 Flap Disc for Aluminum is a breakthrough in aluminum grinding technology. With premium Blue-fired Aluminum Oxide grains, calcium stearate coating, and heated treated polyester backing this disc will stay cool and prevent loading on softer materials. This disc works by the A3 Material with Calcium Stearate coating becoming liquefied as heat builds and in doing so drops the temperature on the material. If your next project will involve grinding aluminum, this flapper disc is your best choice!
Available Grits: 36, 60
A3 Material with Calcium Stearate coatingliquefies under heat keeping the material cooler
and preventing loading with soft materials.
Works well on the following materials: