High-Density Silicone Sponge Rubber Seal
Premium square extrusion design offers superior compression resistance and airtight sealing. Made from high-grade silicone sponge rubber for excellent weatherproofing, UV resistance, and thermal stability (-60°C to +230°C).
Precision-Engineered for Versatile Applications
Perfect for industrial machinery, HVAC systems, automotive weatherstripping, and electronic enclosures. Closed-cell structure prevents water/dust ingress while maintaining flexibility.
Customizable & Bulk-Optimized
Available in continuous lengths for seamless installation. Wholesale pricing with volume discounts for contractors and manufacturers. Non-toxic, RoHS-compliant material.
Durable Performance Guarantee
Resists ozone, chemicals, and extreme temperatures. Matte finish with uniform cell structure ensures consistent compression set over 10+ years.






























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Extrusion square silicone sponge rubber seal strip
$3$4.46-32.74%
Color:
Multiple colors
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