Product Introduction
The 3M™ Stikit™ Blue Abrasive Disc Roll 321U delivers efficient surface preparation with enhanced cut speed and durability. Featuring a ceramic-aluminum oxide blend and anti-loading coating, it is suitable for sanding primer, filler, and paint.
3M™ Stikit™ Blue Abrasive Disc Roll 321U Features:
- High-performance ceramic-aluminum oxide abrasive
- Anti-loading coating reduces dust clogging
- Strong resin bond enhances disc durability
- Stikit™ backing allows quick disc changes
- Available in multiple grades for different tasks
3M™ Stikit™ Blue Abrasive Disc Roll 321U Applications:
- Paint and coating removal
- Sanding primer and filler
- Surface blending and finishing
- Automotive and industrial refinishing
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 | Clear Coat |
| Attachment Type | PSA |
| Backing Material | Paper |
| Backing Weight | C Weight |
| Bond Type | Resin |
| Brands | 3M |
| Case Quantity | 5.0 Rolls per Case |
| Coat Type | Closed Coat |
| Grit | 40, 80, 120, 150, 180, 220, 240, 320, 400, 500, 600, 800 |
| Material | Paper |
| Number of Vacuum Holes | 0 |
| Product Color | Blue |
| Product Form | Disc Roll |
| Smallest Saleable Unit | Roll |
| Sub Applications | Clear Coat |
| Vacuum Support | No |
| Wet or Dry | Dry |
| Overall Diameter (Imperial) | 5 in, 6 in |
| Overall Diameter (Metric) | 127 mm, 152.4 mm |



