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Material

Conductive Nylon

Conductive Nylon is selected from its stiffness, recovery, wear, wet-service, chemical, and temperature behavior. The same material can produce different stiffness, so filament diameter, trim length, density, grade, and service conditions must also be defined.

Conductive Nylon

Material Overview

Conductive nylon combines a polyamide matrix with carbon, metal or other conductive technology to provide a lower electrical resistance than ordinary nylon.

In a finished brush, Conductive Nylon does not create a fixed stiffness by itself. Contact force and recovery depend on filament diameter, free trim, density, tuft pattern, and installed interference. Grade, moisture, temperature, and chemistry affect how that behavior changes in service.

Material Properties

Surface resistance10³–10⁶ ohms
Filament diameter0.10–1.00 mm
Water absorptionpolyamide carrier behavior; PA612 or PBT carrier is used where lower wet-stiffness change is required
Carbon additivenormally 10–30% by compound

Brush Applications

For Conductive Nylon, directly related brush structures include Roller and Conveyor Brushes, Handheld Detail Brushes, and Strip Seal Brushes. Applications related to Conductive Nylon include Connector & Slot Cleaning, PCB Cleaning, Dust Removal, and Brick, Tile & Building Material Machine Brush Use.

Specification and Customization

Material form

Filament / Molded Component

Common forms

Conductive PA6 or PA66 filament; carbon-filled molded component; grounded strip or detail brush fill.

Grade

Carbon-filled or conductive-additive nylon grade

Reference standard

ISO 527-1:2019; ASTM D638; ISO 62:2008; ASTM D570-22; ISO 868:2003; ASTM D2240-15(2021); ISO 4892-3:2024; ASTM G154-23; UL 94; IEC 61340-5-1:2024; IEC TS 61340-5-4:2021; ASTM D257

Limitations and Alternatives

A material label without resistance data, conditioning, grounding and particle testing is insufficient for ESD or clean-process claims.

Frequently Asked Questions

What are the key properties of Conductive Nylon brush material?

Conductive nylon combines a polyamide matrix with carbon, metal or other conductive technology to provide a lower electrical resistance than ordinary nylon. Direct data: Surface resistance: 10³–10⁶ ohms; Filament diameter: 0.10–1.00 mm; Brush operating range: -20–100°C; Water absorption: polyamide carrier behavior; PA612 or PBT carrier is used where lower wet-stiffness change is required; Carbon additive: normally 10–30% by compound.

Where is Conductive Nylon used in cleaning brushes?

Grounded ESD strip, roller and detail brushes used around films, electronics and charge-sensitive components.

How does filament geometry change Conductive Nylon brush stiffness?

Conductive Nylon changes brush stiffness through filament diameter, free trim, density, crimp, and contact. Use finer filament and longer trim for conformable contact; use coarser filament, shorter trim, or higher density for stronger displacement or cutting.

When should Conductive Nylon be replaced by another material?

Compare Conductive Nylon with Anti-static filament, carbon fiber, stainless conductive filament, standard PA6. Change material when wet stiffness, temperature, chemical resistance, conductivity, particle shedding, or surface marking becomes the limiting factor.

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