Product Introduction
The 3M™ Microfinishing Film Roll 272L delivers close-tolerance surface finishing across metals, fiberglass, rubber, and gelcoat. Using a durable 5 mil polyester film backing and micron-graded aluminum oxide abrasive, it provides sharp cutting action, flexibility, and long tool life. It supports wet or dry operations for precise microfinishing in automotive and industrial applications.
3M™ Microfinishing Film Roll 272L Features
- 5 mil polyester backing resists wear and deflection
- Micron-graded aluminum oxide ensures precise cutting
- Closed coat structure maintains consistent finishes
- Water-resistant backing supports wet or dry use
- Anti-slip coating improves operational stability
- Available in 9–100 micron grades, color-coded for accuracy
- Gradual resin bond breakdown delivers long-lasting performance
3M™ Microfinishing Film Roll 272L Applications
- Microfinishing automotive powertrain components
- Cylindrical and centerless grinding or finishing
- Roll and bearing superfinishing
- Removing feed lines, traverse marks, and chatter
- Producing precision Ra finishes in metal and wood
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
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| Property | Value |
|---|---|
| Abrasive Material | Aluminum Oxide |
| Application | Finishing |
| Backing Material | Polyester Film, Film |
| Backing Thickness (Imperial) | 5 mil |
| Bond Type | Resin |
| Brands | 3M |
| Core Size (Imperial) | 1 in, 3 in |
| Core Size (Metric) | 25.4 mm, 76.2 mm |
| Equipment – Machines | Superfinishing Machines, Microfinishing Machines |
| Industries | AOEM, General Industrial, Transportation & Heavy Equipment, Primary Metal, Aerospace |
| Micron Grade | 9 μm, 30 μm |
| Product Form | Roll |
| Sub Applications | Fine Finishing, Powertrain Microfinishing, Superfinishing |
| Overall Length (Imperial) | 230 ft, 450 ft |
| Overall Length (Metric) | 70.104 m, 137.16 m |
| Overall Width (Imperial) | 2.67 in, 3 in |
| Overall Width (Metric) | 67.818 mm, 76.2 mm |



