Sait 36628 6" 320C-Grit Aluminum PSA Stearate Paper Discs w/o Vacuum Holes 100pkSait 320C-Grit Aluminum PSA Stearate Paper Discs w/o Vacuum Holes. Aluminum oxide. Stearate coating and open coat structure lubricates and prevents loading. Excellent for automotive body work. For dry use only. Body filler, paint, fiberglass, wood, etc. Ferrous and/or non-ferrous metals. Medium-weight, average flexibility. Tech Info: Strong resin over resin bond construction is resistant to heat and moisture. This special sharp and durable aluminum oxide grain cuts fast and is long lasting. Pressure Sensitive Adhesive (PSA) back allows for quick changes.
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