This U-shape Sponge Rubber Extrusion Profile is made from EPDM sponge rubber extrusion, comes with self-adhesive backing, and has excellent elastic rebound. The U-shaped structure fits edge trims, providing dust and water resistance, shock absorption, high and low temperature resistance, and UV protection. It's suitable for doors, windows, cabinets, cars, and more, with customizable cross-section sizes.
The materials are generally divided into three categories: nitrile rubber sponge, silicone rubber sponge, and polyethylene/vinyl acetate foam. However, EPDM (Ethylene Propylene Diene Monomer) sponge rubber is the preferred choice due to its unmatched weather resistance (UV, ozone, high and low temperatures) and excellent physical properties, making it ideal for outdoor and high-end industrial applications. It has a wide operating temperature range (approximately -60 ℃ to +140 ℃) and an exceptionally long service life.
U-shaped sponge rubber extrusion profile inherently provides natural elasticity and gripping force. The sponge rubber (typically closed-cell EPDM foam) contains numerous tiny, independent cells, giving it outstanding compressibility. When placed or clamped onto the edge of sheet materials, glass, or pipes, the U-shaped arms generate uniform clamping pressure. At the same time, the sponge compresses and rebounds, perfectly filling gaps and delivering effective sealing against dust, water, and air leakage. Even with slight dimensional tolerances of the installation object, the profile adapts well.
Sponge rubber is an excellent damping material capable of absorbing and dispersing energy. When installed along the edges of sheet metal, glass, dashboards, or similar components, it prevents direct hard-surface contact, avoiding scratches and noise. In vehicles and machinery, the U-shaped sponge rubber extrusion profile helps absorb and mitigate vibrations between components, reducing noise and prolonging equipment life.
The combination of the U-shaped groove and sponge rubber design makes installation simple and widely adaptable. The inner diameter and lip-edge structure allow it to fit securely onto sheet or glass edges of varying thicknesses without adhesives or fasteners. Installation is quick and replacement is convenient. It can accommodate objects within a certain thickness range and is often used to cover sharp metal edges, serving functions of beautification, decoration, and safety enhancement.
High-quality U-shaped sponge rubber extrusion profiles are usually made of EPDM. They exhibit exceptional resistance to UV radiation, ozone, and extreme temperatures, without cracking, hardening, or undergoing permanent deformation during long-term outdoor use. They also resist water, detergents, acids, and alkalis, making them suitable for harsh environments. With long-lasting elasticity and sealing performance, they provide excellent durability throughout their service life.
| 40–70 Shore A | |
| -40℃ ~ 120℃ | |
Q: Can you provide customized services for the U-shape Sponge Rubber Extrusion Profile ?
A: Yes, full customization is available. We can tailor size, rubber material, hardness, color and special formulas to match your actual working conditions.
A: 12-month warranty. We resend/replace defective items caused by production; not liable for buyer's local extra fees.
Q: How to get spare parts for after-sales repair?
A: Spare parts are supplied long-term with separate quotations. Parts can be shipped together with your bulk order or delivered separately by express.
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