In the rubber sealing industry, the flocking process plays a critical role in improving product performance, surface quality, and user experience—especially in the automotive sector. At Trustseal, we apply this specialized technique to our EPDM rubber profiles to ensure smoother, quieter, and more durable sealing solutions.
What is the flocking process?
Flocking is a manufacturing process where polyester fibers—customized in length, color, and composition—are electrostatically applied onto a surface previously coated with adhesive. This creates a soft, uniform, and velvety texture that reduces friction without compromising structural integrity. The result is a tactile, noise-dampening surface designed to enhance the functionality and aesthetics of sealing components.
Application in automotive weatherstrips
In rubber extrusion, flocking is primarily used in the production of automotive weatherstrips (also known as automotive felts or flocked seals). These profiles are critical components installed around the window frames of cars, buses, and trucks, enabling the glass to slide smoothly while preventing unwanted noise, water leaks, and friction.
At TrustSealCorp, our flocked EPDM profiles are engineered to meet the highest standards in automotive sealing systems. The process begins with the extrusion of EPDM rubber, followed by a controlled abrasion (grating) of the target surface. This pre-treatment ensures optimal adhesive bonding. The nylon flock fibers are then applied through a magnetic electrostatic process, and finally, the profile passes through a post-curing tunnel to ensure long-lasting adhesion and performance.
Why flocked rubber profiles matter in the aftermarket
Flocked automotive seals are in high demand in the automotive aftermarket, particularly for replacement parts. Due to continuous use—especially during window operation—these profiles wear out over time, leading to increased noise, friction, and water infiltration. Timely replacement is essential to prevent further damage to vehicle interiors and window systems.
✅ Trust in Sealing Technology
With years of experience in custom rubber extrusion and value-added processes like flocking, TrustSealCorp delivers sealing solutions that combine functionality, comfort, and durability. Whether for OEM or aftermarket needs, our flocked EPDM weatherstrips ensure optimal performance in demanding environments.
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