3M™ Diamond Microfinishing Film Roll 679L
The 3M™ Diamond Microfinishing Film Roll 679L is engineered for precision finishing of hard materials such as thermal spray coatings, ceramics, and carbides. Featuring micron-graded diamond mineral on a durable polyester film backing, it enables slow feed rates, fewer process steps, and wet or dry use for high-quality finishes.
3M™ Diamond Microfinishing Film Roll 679L Features:
- Micron-graded diamond mineral for precise finishes
- Supports slower feed rates and fewer steps
- Strong polyester backing for stability
- Water-resistant for wet or dry applications
- Color-coded grades to prevent selection errors
3M™ Diamond Microfinishing Film Roll 679L Applications:
- Thermal spray finishing on complex shapes
- Precision finishing of ceramics and carbides
- Granite polishing
- Superfinishing to meet specific Ra values
About Prostech
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs.
With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with:
- Provide quotation, sample, TDS/MSDS, and technical consultation
- Testing sample quality and verifying product compatibility in our laboratory
- Customizing material formulas for special applications
- Adapting product sizes, quantities, and packaging to meet specific needs
- Offering expert advice on suitable equipment and automation processes
- Delivering technical training and on-site support for optimal product use
Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.
| Abrasive Material | Diamond |
| Application | Coating Removal, Fine Finishing, Finishing, Surface Finishing, Aerospace, Automotive |
| Backing Material | Polyester Film |
| Backing Thickness (Imperial) | 5 mil |
| Bond Type | Resin |
| Coat Type | Open Coat |
| Equipment – Machines | Microfinishing Machines |
| Industries | Aerospace, Primary Metal, AOEM |
| Micron Grade | 15 μm, 30 μm, 45 μm, 60 μm, 80 μm, 100 μm |
| Product Color | Sand, Petrol Blue, Zephyr Green, Dark Gray |
| Product Form | Roll |
| Sub Applications | Fine Finishing, Finishing, Coating Finish Prep/Repair, Coating Removal |
| Sub Industries | Aerospace, Automotive, Coating Sanding, Plating & Polishing, Turbine Engines |
| Vacuum Support | No |
| Wet or Dry | Wet |
