J-Type Rubber Seal


J-Type rubber seal was invented in the 1940s and has remained a popular sealant. It is a transparent, rubber-like material that can be applied to the exterior of windows and doors to prevent air and water from entering or escaping. It is characterized by a “j” shape, allowing it to fit more tightly into tight spaces, and is less likely to leak than traditional rubber seals. It is a weather sealant made up of two different types of rubber. The first rubber is natural rubber, and the second rubber is synthetic rubber. The two rubbers work together to create a tight seal between the object and the weathering surface. This seal prevents moisture and weather from entering the object and causing it to rot.


Sealing your home or business against the elements is important for many reasons, but one of the most important is keeping out pests and other contaminants. One popular type of sealant is J-Type rubber sealant. This kind of sealant is made from natural rubber and can be used to create a watertight barrier between two surfaces. It is available in various colors and can be easily applied with a brush or spray gun. A rubber seal made from polyurethane is widely used in architectural or building industries. It has been used for sealants for decades, including caulks, gaskets and friction tape, O-rings, and bushings.

Design and Application of J-Type Rubber Seal

J-type rubber seals are a type of rubber seal used in industrial, robotics, automotive, aerospace, and oil & gas. It is characterized by its unique design, which allows them to resist tear and wear. It is also available in various colors and sizes to suit your specific needs. This seal is used in applications where high resistance levels are required, such as oil pipelines, gas masks, and other industrial-grade machinery. The J-type rubber seal features a crimped ring design that helps resist leaks. It also features a special silicone compound that provides excellent resistance against water.


The J-type rubber seal is a compound material composed of rubber and plastic. This makes it an advantageous option for applications where a seal is needed between two different materials, such as when airtightness is required between two pipe sections. Additionally, the J-type seal can be made using less material than other seals, which may lead to reduced costs. It is also suitable for applications requiring seals between two different materials simultaneously, such as when two pipes must be joined together.


  • Durable and has a long lifespan
  • High resistance to oil and water contamination
  • An excellent choice for watertight seal-like boats, huge vessels, and planes
  • Made from high-grade compound rubber materials
  • The best solution for gas leaks
  • Ideal use for sealing in all types of industries
  • Very flexible & easy to install
  • Environmental friendly & it doesn’t release harmful chemicals when exposed to the high-temperature working environment


It has many potential advantages over traditional rubber seals, but there are also some disadvantages. One potential drawback is that j-type are not as robust as conventional rubber seals, so they may be less resistant to tear & wear. It may also require greater precision when manufacturing and can be more challenging to handle than traditional rubber seals.


In conclusion, j-type rubber seals are an essential part of many industries. They have several benefits that make them valuable assets. Some of these benefits include their resistance to high temperatures and corrosion and their ability to withstand harsh environmental conditions. Additionally, the j-type rubber seal is often easier to install and maintain than other seals. As a result, it plays an essential role in many industries and can help companies save time and money.

Do you need a durable, high-quality rubber seal? Look no further than RK Rubber Enterprise Co. We manufacture the best j-type rubber seals around and can customize our products to meet your specific needs. Plus, we offer excellent customer service and will go the extra mile to make sure you’re satisfied with your purchase. Contact us today to learn more!

Below are some of the actual products and applications.


Civil/Construction Rubber Products
Anti-Vibration Rubber Pad | Elastomeric Bearing Pad | Water Stopper |Wire Stopper

Industrial Rubber Products
Bumper | Column Guard | Footings | Polyurethane Wheel | Ramp | Rubber Block | Rubber Matting | Rubber Rollers | Rubber Suction | Rubber Wheel Chock

Mechanical Rubber Products
Coupling | Diaphragm | Rubber Bushing | Rubber Door Seal | Rubber End Cap | Rubber Gaskets | Rubber Ring | Rubber Tubing

Marine Rubber products
Arch Rubber Dock Fender | D-Type Rubber Dock Fender

We would love to hear from you! Contact us now and look for Ms. Louise.
Landline : (02) – 8897-6651
Globe: 0915-126-7158 / Smart: 0939-149-6019
Address: #753 Quirino Highway, Brgy. San Bartolome, Novaliches, Quezon City
Landmark: St. John of Beverly, TV5 and SM Novaliches
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