High-friction surface treatment (HFST) primarily uses calcined bauxite aggregate with a durable polymer resin binder to increase skid resistance on various surfaces.
Materials Overview
An HFST system consists of an aggregate for texture and a binder to secure it.
| Component | Description | Key Properties |
|---|---|---|
| Aggregate | Calcined bauxite, heated for increased hardness and abrasion resistance, is the standard material. | Hard, polish-resistant, and angular for tire grip. |
| Binder | A multi-component polymer resin system that hardens when mixed. Epoxy, polyurethane, and polyester are common. | Strong adhesion, resistance to environmental factors, and durability. |
HFST is applied in specific "spot" locations requiring higher friction. Examples include horizontal curves, intersections, bridge decks, steep grades, and pedestrian crossings.
Key Benefits
Improved Safety: Significantly reduces wet-weather crashes.
Durability: Can last 5 to 10 years.
Quick Installation: Minimizes traffic disruption.
For material inquiries (binders, colored aggregates) or technical consultation:
For material samples or project consultation:
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