ATEX / ESD Antistatic vacuum accessory · Zone 21 · Zone 22
CURIOSITY – ATEX
Antistatic NBR
PXBR / NATBR bristles
Zone 21
Zone 22
−20°C to +110°C
Disk Ø75 and Ø100 mm
Handle Ø38–Ø50 mm
Used together with
CURIOSITY is a round brush in antistatic oil-proof NBR compound for scrubbing and vacuuming on machinery, production equipment and laboratory surfaces in ATEX-classified zones. The detachable bristle disk is available in two diameters and four bristle types, letting you choose the combination that matches the material and desired scrubbing or suction effect.
Body
Antistatic NBR
Oil-proof compound
Bristles
4 types
PX, NAT, PXBR, NATBR
Temperature
−20 / +110°C
Operating range
Disk
Ø75 / Ø100
2 sizes
Disk Ø100 mm (bristles**)
| Product code | Handle Ø | Bristles | Zone |
|---|---|---|---|
| PRB150A | Ø50 / 40 / 38 mm | PXBR (polyester + brass) | Zone 21 / 22 |
| PRB150A | Ø50 / 40 / 38 mm | NATBR (natural + brass) | Zone 21 / 22 |
| PRB144A | Ø44 mm | PXBR (polyester + brass) | Zone 21 / 22 |
| PRB144A | Ø44 mm | NATBR (natural + brass) | Zone 21 / 22 |
| PRB501A | Ø50 mm (inner) | PXBR (polyester + brass) | Zone 21 / 22 |
| PRB501A | Ø50 mm (inner) | NATBR (natural + brass) | Zone 21 / 22 |
Disk Ø75 mm (bristles*)
| Product code | Handle Ø | Bristles | Zone |
|---|---|---|---|
| PRB838A | Ø38 mm | PXBR (polyester + brass) | Zone 21 / 22 |
| PRB838A | Ø38 mm | NATBR (natural + brass) | Zone 21 / 22 |
| PRB840A | Ø40 mm | PXBR (polyester + brass) | Zone 21 / 22 |
| PRB840A | Ø40 mm | NATBR (natural + brass) | Zone 21 / 22 |
| PRB850A | Ø50 mm | PXBR (polyester + brass) | Zone 21 / 22 |
| PRB850A | Ø50 mm | NATBR (natural + brass) | Zone 21 / 22 |
PX = polyester · NAT = natural hair · PXBR = polyester + brass · NATBR = natural + brass. The bristle disk is detachable and replaceable.
Application areas
- Food production – grain, starch, sugar, light metals, coal and wood
- Woodworking – sawdust and wood shavings
- Metal processing – swarf, glass and ceramic fragments
- Chemical industry – explosive powder and granulate
- Laboratories – cleaning of production benches and equipment
Important notice: CURIOSITY ATEX is not ATEX-certified as a product. The brush is manufactured with antistatic materials (NBR body + PXBR/NATBR bristles with brass strands) providing electrical conduction and preventing static charge build-up. It is the installer's and user's responsibility to verify suitability for the specific ATEX-classified environment and zone.
Frequently asked questions
PX (polyester) fibres are the most durable and suited for harder materials. NAT (natural hair) is softer and does not damage delicate surfaces. PXBR and NATBR are the corresponding variants with brass strands, adding antistatic conductivity for use in ATEX-classified zones.
The Ø100 mm disk covers a larger area and fits handle diameters Ø38–50 mm and Ø44 mm. The Ø75 mm disk is more compact and suited for more precise cleaning. Choose based on the area to be covered and the available space on the machine.
No, the brush is not ATEX-certified as a product. It is manufactured with antistatic materials (NBR body + PXBR/NATBR bristles with brass) suitable as accessories for ATEX-certified systems. It is always the user's and installer's responsibility to verify suitability.
Yes, the bristle disk is detachable and replaceable. Replacement antistatic disks for CURIOSITY are available separately in both Ø75 mm (DIS82PO) and Ø100 mm (DIS100PO). Contact us to order.
Choose the handle diameter that matches the pipe system on your vacuum unit. Available diameters are Ø38, Ø40, Ø44 and Ø50 mm. Contact us if you are unsure.
Minimum order is 10 pcs. per variant. Contact us for pricing and delivery time.
Need advice on ATEX accessories?
Particulair helps you select the right disk size, bristle type and ATEX-compatible solutions for your environment.

