U-shaped rubber seals are versatile little tools that can be used in a variety of situations. They are rubber strips that are flexible and U-shaped in side view. These black rubber seal from Esen can be used to keep water, dust, or small insects out of the slots between machine parts.
The U-shaped exterior double lotus-shaped rubber band is the ideal product for sealing, which is convenient for installation and reliable for sealing. These rubber seal adhesive from Esen can be used to fill in gaps on doors, windows, and other openings to stop air, water, and dust from entering the interior. The tire rubber is flexible and conforms to the road and other surfaces, allowing for a tight seal that will last for a long time.

In addition, U shaped rubber seals are also used in industrial applications because they have several advantages. They can be applied to protect equipment doors from noise and vibration. They are also resistant to oil, grease and other chemicals typically found in an industrial setting, and are ideal for use in factories and warehouses. Furthermore, Esen's bottom door weather seal can help lower heating and cooling bills by sealing the gap between the door and the frame and the door and the floor.

Among the most frequent application, the U-shaped rubber strip and door and window sealing strip are included. These draft stoppers can be applied around doors and windows to keep cold air out and warm air in. The soft rubber is flexible enough to be pressed as needed to form a seal — even water or air can’t get in. Get your Esen's waterproof rubber seal today and enjoy its benefits!

There are a number of factors to consider when selecting a U-shaped rubber seal for your application. The first thing you will need to consider is how much of a gap you will be filling so you get the right size seal. It's also crucial that the sealant used is suitable for the surface it is to be bonded to. Also, remember the application the seal will be used in and make sure it can keep up with any adverse conditions. Check out the Esen black rubber door seal today to learn more
Located in China’s largest wood production base (Linyi) and container spare parts hub (Shanghai), we operate a 60,000-square-meter facility with 9 automated production lines, 500+ employees, and annual outputs of 100,000 m³ flooring plywood and 500,000 tons of spare parts.
With long‑term partnerships across Europe, North America, Southeast Asia, and domestic leaders like CIMC, we provide full pre‑sales support—from customized quoting and sampling to production follow‑up—ensuring reliable delivery and seamless collaboration worldwide.
Holding ISO, ABS (U.S.), and FSC certifications, we adhere to both international and Chinese quality standards, supported by advanced equipment—including AUTO multi‑saws, veneering machines, and dryers—to ensure consistent, high‑performance products.
Our dedicated R&D team focuses on innovation and differentiation, offering tailored container flooring and accessory solutions that meet specific customer requirements, backed by a flexible production system capable of 3,000–5,000 units per category monthly.