High-Quality Silicone Rubber Weather Stripping for Car Doors – Custom Extruded Edge Trim, Thickness Options, OEM/ODM Automotive Sealing Solutions

Our High-Quality Silicone Rubber Weather Stripping for Car Doors is engineered to deliver reliable, long-lasting sealing performance for automotive OEMs, aftermarket brands, and vehicle customization manufacturers. Produced using platinum-cured, high-purity silicone and advanced precision extrusion technology, these edge trim seals provide exceptional resistance against extreme temperatures, deformation, and environmental impact—ensuring sealing stability in demanding road conditions.

Premium silicone significantly outperforms traditional EPDM or PVC sealing strips. It offers superior temperature resistance (-60°C to 250°C), excellent elasticity retention, and low compression set, guaranteeing that car doors maintain optimal sealing against water, dust, wind, vibration, and road noise even after prolonged use. This makes it an ideal choice for high-end vehicles, EVs, commercial fleets, and custom modification projects.

Improves door sealing strength, prevents leaks, blocks dust and wind, and provides a quieter cabin environment.

UV-resistant, ozone-resistant, odorless, non-toxic, and compliant with RoHS/REACH international standards.

Maintains flexibility and sealing performance across extreme cold and heat with no cracking, fading, or hardening.

We offer custom profiles, thickness, hardness (Shore A 20–80), colors, lengths, and precision tolerances to meet diverse automotive design requirements.

Soft, flexible silicone ensures smooth installation while delivering long-term durability without deformation.

With years of experience in industrial-grade and automotive-grade silicone, SiliconePlus provides stable quality, high precision, and reliable batch consistency for global automotive clients.

We provide custom mold development, profile design assistance, CAD drawings, and material formula adjustments to meet specific sealing project needs.

All products undergo dimensional inspection, aging resistance tests, tensile tests, compression tests, and surface-quality evaluation to ensure optimal performance.

We specialize in platinum-cured silicone for enhanced purity, mechanical strength, and environmental compliance—ideal for brands seeking higher sealing performance.

Car door weather seal

Edge trim protection

Trunk sealing

RV & trailer sealing

EV battery compartment sealing

Commercial vehicle cabin sealing

SiliconePlus supports full customization based on customer requirements:

Custom cross-sectional profiles

Custom color matching (Pantone)

Custom hardness & elasticity

Laser logo printing

Rolls, strips, coils, or finished cut lengths

Packaging customization for brand owners