Dust Keeps Coming Back After You Blow It Off? How an Anti-Static Ionizing Air Gun Helps
Quick answer: if dust lands right back on a part you just blew clean, the dust and the surface are usually holding a static charge. A normal blow gun moves the dust but does not remove that charge, so the dust is pulled back. An anti-static (ionizing) air gun mixes positive and negative ions into the air stream, so it blows the dust off and neutralizes the charge at the same time. A Japanese body-shop trade journal describes using this kind of gun on car bodies before painting. The one we stock is the cordless BIC TOOL MG-3000 Ion Shower MAGNUM.
Which tool fits your problem?
BIC TOOL MG-3000 Ion Shower MAGNUM Cordless Anti-Static Air Blow Gun (AC 100V Charger)
ANEST IWATA AG-6 Air Blow Gun, Aluminum Body
| Your situation | What usually helps | From our shop |
|---|---|---|
| Dust jumps back onto plastic, painted panels or film after blowing | Ionizing (anti-static) air gun | BIC TOOL MG-3000 |
| You only need to blow chips or dust off metal parts | A regular air blow gun | ANEST IWATA AG-6, VESSEL AD-2 |
| Your air line spits water or oil mist | Air filters before the gun (any blow gun) | ANEST IWATA ALF1300B-14D (3 µm), AMF1200B-14D (0.01 µm) |
| The surface has an oil or grease film | Cleaning or degreasing first; air alone does not lift a film | — |
Why the dust comes back
Plastic parts, painted panels and films pick up static charge easily. A charged surface attracts fine dust, and the dust particles can carry a charge too. Keyence, a Japanese maker of static control equipment, explains that blowing particles off with a regular air gun does not remove the static charge on them, so they can stick again. Panasonic Industry adds that friction between the moving air and the object can itself create static, which is why some parts seem to get dustier the more you blow them.
So the problem is not air pressure. Blowing harder or longer moves the same dust around without fixing the cause.
How an ionizing air gun fixes it
An ionizing air gun puts ions of both polarities into the compressed air. When this air hits the part, the ions neutralize the charge on the surface and on the dust, and the air carries the dust away. With the charge gone, the dust has nothing pulling it back. Keyence describes this as removing particles and preventing them from re-adhering in one pass.
The MG-3000 makes its ions by DC corona discharge (bipolar ±) inside the gun and blows them out with the air from your compressor.
Where it is used
- Paint preparation on car bodies and bumpers. A Japanese body-shop trade journal (BSR) describes the MG-3000 as an ion air duster that removes dust and static when blown on the body before painting.
- Plastic and resin parts before assembly, coating or packing, where static dust is visible.
- Panels and covers that must be dust-free before the next step.
We have not tested the MG-3000 on electronics, and BIC TOOL's ESD rating for circuit-board work is Not confirmed, so please check with your own ESD requirements before using it near sensitive components.
BIC TOOL MG-3000: the cordless option
Some ionizing air guns are powered from a wall outlet (for example, models that take 100 V or 200 V input), so they need a power cable as well as the air hose. The MG-3000 runs its ionizer on a built-in rechargeable battery, so the air hose is the only line on the gun.
| Item | BIC TOOL MG-3000 |
|---|---|
| Static elimination method | DC corona discharge (bipolar ±) |
| Power | Built-in Ni-MH battery (DC 4.8 V), charged with the included AC adapter |
| Charger input | AC 100 V (Japanese-market adapter) |
| Continuous use | About 6 hours per charge |
| Charging time | About 2–4 hours |
| Power consumption | 2.88 W |
| Air pressure | 0.6 MPa (about 87 psi) or less, clean air |
| Air flow | About 200 L/min |
| Size | W 38 × D 224 × H 174 mm |
| Weight | 380 g |
| Air inlet fitting type | Not confirmed |
| Country of origin | Japan |
Compared with BIC TOOL's previous model, the MG-3000 is listed with about 1.7 times the ion output, 6 hours of continuous use instead of 3, about twice the air flow and about 20% less weight. BIC TOOL is based in Tottori, Japan.
Sources: our MG-3000 product page (Orange Book and MonotaRO data); BIC TOOL product information as listed on Metoree and DirectIndustry.
Before you order: is it right for your shop?
- Compressed air: you need a compressor that can supply clean air at 0.6 MPa or less. If your air has water or oil in it, add filters first, or you will blow that onto the part.
- Charger voltage: the included adapter is for AC 100 V, the voltage used in Japan. Use on 110–120 V or 220–240 V is not confirmed by the manufacturer. Plan to use a step-down transformer for charging. The gun itself runs on its battery, so 100 V is needed only while charging.
- Air fitting: the inlet fitting type is Not confirmed. Check your hose coupler, or ask us before ordering.
- Not the right tool if: static is not what keeps your dust in place (for example, metal chips that only need blowing away), you need to neutralize a whole room or booth rather than one part at a time, or you have no compressed air.
FAQ
Is an anti-static air gun the same as an ionizer?
It is a hand-held ionizer that uses compressed air to carry the ions. Fixed ionizers (fans, bars, booths) cover an area; an air gun covers the spot you aim at.
Will it remove fingerprints or oil?
No. It removes loose dust and static charge. Oil and fingerprints need cleaning.
How long does one charge last?
About 6 hours of continuous use, and a full charge takes about 2–4 hours.
Can I charge it on US power?
The included adapter is the Japanese 100 V version, and use at 110–120 V is not confirmed by the manufacturer. Use a step-down transformer to supply 100 V when charging.
Related
- BIC TOOL MG-3000 Ion Shower MAGNUM
- Japanese blow guns and air dusters
- ANEST IWATA air filters, regulators and fittings
- ANEST IWATA spray gun guide
- ANEST IWATA spray guns
- How to buy Japanese tools from Japan
Sources
- Keyence, "Solutions to remove contamination on objects" and "Overcoming Dust Issues with Static Control Solutions" (keyence.com)
- Panasonic Industry, "Verification of the effect of Pulse Air-gun Ionizer" (channel.panasonic.com)
- BSR web, BIC TOOL news, 2020-10-02 (bsrweb.jp)
- BIC TOOL MG-3000 product information on Metoree and DirectIndustry
- yourtoolboxJP product page for MG-3000 (Orange Book and MonotaRO data)
