Product Introduction
The 3M™ Microfinishing PSA Film Sheet 366L uses precision micron-graded aluminum oxide on a durable polyester film to deliver fast cutting, consistent surface refinement, and long life. A PSA backing enables quick attachment and clean removal, while a load-resistant design helps prevent clogging for efficient multi-step finishing on metals, plastics, composites, and wood.
3M™ Microfinishing PSA Film Sheet 366L Features
- Micron-graded aluminum oxide for fast cut and uniform results
- Polyester film backing provides superior tear resistance and finish consistency
- PSA backing enables fast setup and clean removal
- Load-resistant coating minimizes clogging for extended performance
- Flexible backing conforms to curves and edges
3M™ Microfinishing PSA Film Sheet 366L Applications
- Wood and solid surface finishing
- Plastic and fiberglass sanding
- Paint prep and corrosion/coating removal
- E-coat and primer sanding
- Metal finishing and alloy refinement
- High-volume sanding and finishing operations
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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Typical Properties
| Property | Value |
|---|---|
| Abrasive Material | Aluminum Oxide |
| Application | Sanding, Finishing |
| Attachment Type | PSA |
| Backing Material | Polyester Film |
| Backing Thickness (Imperial) | 3 mil |
| Bond Type | Resin |
| Brands | 3M |
| Equipment – Machines | Random Orbital Sanders |
| Industries | General Industrial, AOEM, Transportation & Heavy Equipment, Composite, Paint Preparation, Woodworking |
| Micron Grade | 15 μm, 20 μm, 30 μm, 80 μm, 100 μm, 120 μm, 150 μm |
| Product Form | Sheet |
| Sub Applications | Defect Repair/Leveling, Orbital Sanding, AOEM Finish Prep/Repair, Intermediate Sanding, Prepping Metal Prior to Paint |
| Sub Industries | Custom Woodworking and Millwork, Primary Wood and Panel Processing, Cabinetry, Furniture |
