3M™ Microfinishing Film Roll 372L, 15 Mic 5MIL, .571 in x 656 ft x 3 in (14.5mmx198m), 5GB-268-1 4J THR, KYD, ASO, ERMR, 10 ea/Case Signs Alumina zirconia mineral with grinding

Alumina zirconia mineral with grinding aid provides more cutting power than aluminum oxide

It blends and finishes consistently

uniform finish on many substrates

resists tearing

We recommended this belt for wide belt sanding

3M™ Microfinishing Film Roll 372L, 15 Mic 5MIL, .571 in x 656 ft x 3 in (14.5mmx198m), 5GB-268-1 4J THR, KYD, ASO, ERMR, 10 ea/Case Signs Alumina zirconia mineral with grinding3M SKU: 7100250854 Lead Time: ~9 days Our 3M Microfinishing Film Roll 372L features micron graded premium aluminum oxide bonded to a 5 mil polyester film backing to deliver uniform results and meet stringent surface requirements. A friction grip coating provides slip resistance for microfinishing machines where film slippage is an issue, and close tolerance work on cylindrical surfaces, such as automotive camshafts and crankshafts. Available in a