Custom EPDM rubber, TPE, and TPV sealing profiles for vehicle doors, trunks, hoods, and windows. Engineered with co-extrusion technology and built-in steel core for maximum clamping force and durability.
Automotive sealing systems are critical for reducing water ingress, wind noise, dust, and vibration in modern vehicles. Onaseal specializes in high-quality co-extruded EPDM seals with embedded steel carriers or wire carriers, ensuring secure fastening to sheet metal flanges. We serve both OEM vehicle manufacturers and global aftermarket distributors.
| Material | EPDM Sponge & Solid Rubber Co-extrusion |
| Core Type | Embedded Steel Segment / Wire Carrier / Metal Clip |
| Color | Black, custom colors available |
| Profile | Bulb seals, U-channel edge trims, lip seals |
| Hardness | Solid EPDM: 60-80 Shore A; Sponge EPDM: 0.4-0.6 g/cm³ |
| Standards | IATF 16949 / ISO 9001 certified manufacturing |
Dual-durometer co-extrusion combines solid attachment rubber and soft sponge bulb for superior sealing.
Built-in segmented steel core ensures strong grip and easy press-on installation without adhesive.
Premium EPDM compound offers outstanding ozone, UV, and aging resistance from -40°C to 120°C.
Automotive-grade tolerance control and rigorous testing process for OEM-level reliability.
The co-extruded design combines a high-strength solid rubber U-channel with a flexible sponge rubber bulb. The embedded steel carrier provides excellent gripping force onto sheet metal flanges without needing glue.
Yes, we manufacture under IATF 16949 quality systems. Our EPDM compounds meet standard automotive specifications for tensile strength, elongation at break, compression set, and UV aging.
Absolutely. We can create precise tooling based on your CAD drawings (.dwg, .dxf, .step) or physical samples. We provide pre-production samples for your approval before mass production.
Automotive weatherstrip and complex extrusion section photos are displayed without changing the cross-section shapes.
Flexible edge protection strips for automotive, equipment and cabinet applications.
Section-based extrusion solutions for sealing, protection and cushioning functions.
Vehicle sealing systems for doors, trunks, hoods and glass channels.
