Material
UV-resistant Anti-aging Filament
Weather-stabilized synthetic filament
UV-stabilized, or anti-aging, filament is synthetic monofilament with stabilizers, and often pigments, that slow the cracking, chalking, color loss and embrittlement sunlight causes. It is used for brushes that live outdoors: gutter, pool and solar brushes. It extends outdoor life; it does not give a fixed number of years.
Datasheet values
- Carrier polymer
- PP, PA, PBT or other brush filament polymer
- UV package
- Stabilizer and pigment package is supplier- and grade-specific
- Weathering validation
- Use supplier weathering data or an appropriate accelerated-weathering method for the selected grade
- Filament diameter
- Set by the brush geometry and required contact force
- Color retention
- Grade, pigment, stabilizer package and exposure dependent
What is UV-stabilized filament?
A PP, nylon or PBT filament with about 0.2–1.0% UV stabilizer, drawn from about 0.15 mm to 2.0 mm. Grades are designed against accelerated weathering targets of about 1,000–3,000 hours. Color retention depends on the grade and pigment.
Where is it used?
In our range: gutter cleaning brushes, pool wall brushes and the 700 mm PBT solar panel disc brush, all of which spend their life in the sun.
Why does UV matter?
Sunlight breaks polymer chains at the surface. Unprotected filament fades, turns chalky and becomes brittle, then snaps at the base instead of bending. Stabilizers absorb or quench that energy, so the fill keeps its spring much longer outdoors.
What can it not promise?
There is no generic anti-aging service life. Accelerated weathering hours do not convert into a fixed number of outdoor years, which depend on climate, exposure and use. The stabilizer also does not change the carrier’s temperature limit.
How hot can it run?
As hot as the carrier polymer allows: PP, nylon and PBT grades range from about 79°C to 140°C. The UV stabilizer protects against sunlight, not heat, so a hot outdoor surface still needs a carrier rated for that temperature.
What should you tell us?
The climate and exposure, the carrier fill, the color, and the brush. Storing brushes out of the sun between uses helps any of them.
Questions buyers ask about UV-resistant Anti-aging Filament
Why do outdoor brushes need UV-stabilized bristles?
Sunlight embrittles ordinary filament until it snaps. Stabilizers slow that, so the brush keeps its spring longer.
How many years will UV-stabilized bristles last?
There is no fixed figure; it depends on climate, exposure and use. Accelerated test hours do not equal outdoor years.
How can I tell UV has damaged a brush?
The fill fades, turns chalky and snaps at the base instead of bending.
Where these figures come from
| Property | Published value | Source |
|---|---|---|
| Chemical resistance | Defined by carrier polymer and additives; Test combined chemical and weathering exposure. | Perlon Retrieved 2026-07-20 |
| Published datasheet figures |
|
BASF Retrieved 2026-07-20 |
| Hardness and stiffness | Defined by the carrier polymer, diameter and weathering condition. | Perlon Retrieved 2026-07-20 |
| Limitations | No generic 'anti-aging' service life exists; accelerated weathering does not automatically equal a fixed number of outdoor years. | Perlon Retrieved 2026-07-20 |
| Water resistance | Water resistance follows the carrier polymer, while the stabilizer package protects filament strength and color during outdoor exposure. | BASF Retrieved 2026-07-20 |
| Material definition | UV-resistant anti-aging filament is synthetic monofilament formulated with stabilizers and often pigments to reduce sunlight-driven cracking, chalking, color change and loss of mechanical properties. | Perlon Retrieved 2026-07-20 |
Guides that go deeper on this
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We reply to every request within 24 hours, with a quotation or with the questions we need answered first. If the brush can be made on our existing tooling, we make the sample directly. If it needs new tooling, we quote a sample fee and a tooling fee, and the sample fee is credited against the bulk order. Need an NDA first? We sign yours before you send drawings, and the files you send are never shown to other customers.
- MOQ500 pcs for small hand-held brushes, 100 pcs for medium and large ones
- SampleTypically 3–7 days
- ProductionFrom 7 days after sample approval, by size and quantity
- Payment30% deposit and 70% before shipment above US$10,000; smaller orders on agreed terms
“We need a brush to remove wet residue from a stainless steel conveyor, about 800mm wide. The current brush wears quickly. We can send photos.”
“We sell drinkware and need a cleaning brush to include with the product. Quantity around 5,000 pieces.”