Mirka ARP-B 300NV – Cordless Polishing with Maximum Control
The cordless Mirka ARP-B 300NV 77 mm (10.8 V / 2.5 Ah) is the perfect solution for precise spot polishing in automotive finishing. It combines ergonomics, power, and digital control – ideal for professionals who value mobility, energy efficiency, and flawless surfaces. In this practical guide, we’ll show you how to get the most out of your Mirka PRO Solution.
Product Overview
| Specification | Value |
|---|---|
| Voltage | 12 V DC (max.) |
| Speed Range | 1,500–2,200 rpm |
| Backing Pad | Ø 77 mm |
| Battery Capacity | 2.5 Ah (11.1 V Li-Ion) |
| Charging Time | < 50 minutes |
| Weight (incl. battery) | 0.87 kg |
⚡ Energy Efficiency
Save up to 90% energy compared to pneumatic tools.
🔋 Continuous Operation
Up to 16 hours of use – no downtime thanks to dual batteries.
📱 Digital Control
Bluetooth connection enables RPM management & auto-stop via the myMirka® app.
Recommended Base Settings (Guidelines)
- Speed: 1,800 – 2,000 rpm for scratch removal
- Pressure: Light to moderate, maintain even movement
- Pad: Yellow waffle pad (77 mm)
- Compound: PRO Iridium 1250, apply a small amount
- Environment: Dust-free, temperature 18–25 °C
Professional Workflow – 6 Steps
- Sand the defect using Mirka Iridium SR 5 µ (with water).
- Clean the surface with a microfiber cloth.
- Apply a small amount of PRO Iridium 1250 compound to the pad.
- Polish evenly with the Mirka ARP-B 300 NV (medium speed).
- Check results and repeat if necessary.
- Finish by wiping to a high gloss with a soft cloth.
Troubleshooting
- 🔸 Holograms: Clean or switch to a softer pad.
- 🔸 Overheating: Lower the speed, reduce pressure.
- 🔸 Uneven gloss: Apply steady pressure and use cross-motion.
- 🔸 Remaining sanding marks: Use finer Iridium SR grade (3 µ = P5000).
Maintenance
- Do not fully discharge the batteries – recharge regularly.
- Wash and dry pads after every use.
- Store the tool dust-free at 18–25 °C.
- Check Bluetooth functions via the myMirka app regularly.
- Lightly lubricate the drive shaft occasionally.
FAQ
- How long does the battery last? Up to 16 hours of spot use (depending on workload).
- Which pads are best? Yellow waffle pad for polishing, black pad for finishing.
- How can I control RPM? Via Bluetooth in the myMirka app.
- Can I use Polarshine compounds? Yes, especially Polarshine 8 or 12 for finishing stages.
- Is the tool maintenance-free? Almost – the brushless motor requires minimal upkeep.
Conclusion: The Mirka ARP-B 300 NV offers cordless freedom, intuitive control, and precise results. Perfect for body shops, painters, and detailers who want to standardize their finishing processes efficiently.
