Brush Type
Custom Strip Seal Brushes
Choose a strip seal brush when a continuous line of filament must seal, wipe, guide, contain, or protect an edge, gap, opening, or moving interface.
Type Overview
Strip brushes hold filament in a metal channel or a rigid or flexible backing to create continuous linear contact. They can block dust and mist, close door and cable-entry gaps, wipe a moving surface, guide parts, reduce noise, or protect an exposed edge.
The backing profile, holder, trim, density, filament direction, and installed compression determine whether the strip seals lightly, wipes actively, or guides with controlled drag. A strip that is too short will leave gaps; excessive interference bends the fill, raises friction, and shortens service life.
Key Customization Dimensions
| Filament diameter | 0.10–1.27 mm; 0.05–1.00 mm |
|---|---|
| Holder | Straight channel, aluminum carrier, angle holder, or custom profile; Aluminum, steel, PVC, or custom profile |
| Contact setting | Use 5–15% trim compression for wiping and dust control |
| Custom strip length | 100–3000 mm |
| trim height | 12.7–152.4 mm |
Common Configurations
Metal-channel strip
Filament captured in a formed channel for straight or curved holders and replaceable sealing sections.
Holder-mounted strip
A channel strip supplied with an aluminum or polymer carrier for screw, slot, or slide-in installation.
Stapled block strip
Tufts set into a rigid polymer or wood backing for wiping, guiding, and heavier linear contact.
Flexible-back strip
A bendable backing follows curves, irregular openings, or moving machine contours.
Segmented replacement strip
Short sections are installed in a long track so high-wear zones can be replaced separately.
Material Selection Guidelines
Nylon PA
General sealing and wiping with good recovery and a wide stiffness range.
PBT
Wet or frequently washed installations where lower water absorption is useful.
Polypropylene PP
Economical moisture and chemical service where the temperature is suitable.
Horsehair or soft fiber
Low-friction sealing and dust control on surfaces that should not be marked.
Antistatic or conductive filament
Cable entries, electronics, and process openings where charge control is part of the requirement.
Stainless wire
High-temperature or aggressive wiping only where metallic contact is acceptable.
Technical Considerations
Specify the gap or edge profile, total length, backing or holder section, trim height, intended compression, movement direction, surface speed if applicable, temperature, chemistry, static requirements, and mounting-hole pattern.
Frequently Asked Questions
How is a strip brush sized to close a gap while remaining flexible enough for movement and surface variation?
Seal performance is controlled by trim height, controlled compression, filament diameter and density, and the backing or holder; a dense brush with the wrong projection or interference will not seal reliably.
Which geometry defines Custom Strip Seal Brushes?
Continuous linear filament captured in a metal channel or stapled into a rigid or flexible polymer backing, with optional aluminum holders.
Which materials are used in Custom Strip Seal Brushes?
Nylon PA, Polypropylene PP, PBT, Horsehair, Anti-static Filament, and Stainless Steel Wire
When should another brush type or cleaning method be used?
Use rubber lips, foam, labyrinth seals, air curtains, or rigid scrapers when pressure sealing or liquid containment is required.
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