High-quality Materials for Micro-finishing
3M™ Diamond Microfinishing Film Belt 675L securely anchors micron-graded diamonds to a polyester film backing. Polyester film backings are water resistant, so the abrasive may be run with a water or oil-based lubricant, which helps wash away unwanted swarf and debris and keeps the abrasive running cool. The belts are also color coded by grade to help you reduce the risk of selecting the wrong grade.
Tips for Achieving Desired Roughness Average
Many Micro-finished products require a specific Ra, or roughness average, when applying to thermal spray coatings, carbides, ceramics, exotic alloys, or other composites. It is important for operators to consider these factors – Ra and substrate – when selecting the grade of film for this belt.

3M 19706, Scotch-Brite EXL Unitized Wheel, XL-UW, 2S Fine, 6 in x 1/4 in x 1 in, SPR 17773A, 7010366223
Dynabrade 78474 2-1/2" Dia. x 3/4", 8-32 Female Center Thread, A/O, 80 Grit, 8-Ply J-DynaCut Cross Pad, 100/pack
3M 05205, Marine Adhesive Sealant 5200, Black, 3 oz Tube, 7000118402, 6/Case
Dynabrade 78589 1/4" Dia. x 2" W x 1/8" Center Hole, 120 Grit, 100/pack
Dynabrade 12152 Bearing
3M 80774, Cloth Spiral Band 747D, 80 X-weight, 1 in x 1 in, 7100138166
ACS Diamond Cloth Belt, CX1250 3/8" X 24" 75U
3M 08302, Ultrapro Autobody Sealant, Clear, 5 oz Tube, 7000120449, 6 per case
Standard Abrasives 712287, Aluminum Oxide Spiral Band, 120, 1 in x 1 in, 7100138187 
