Rubber Piston Ring Seal

It is a rubber or metallic expandable split ring located between the piston and cylinder wall to fill its gap so the machinery will operate efficiently. However, a too small or large gap between the piston and cylinder will cause a low power output and not work efficiently. The rubber piston ring should fit perfectly to avoid thermal throttle and severe damage to the engine. The friction made by piston rings is roughly 33% of the total resistance of the machine. A suitable piston ring will minimize its friction and maintain excellent sealing to increase the engine’s lifespan.

Facts about Metal or Rubber Piston Ring

It acts as a support system to the piston, whereas it allows smooth movement ups and downs. If a low-quality piston ring is installed, it may rub the cylinder inside and cause engine failure.

Existence of friction and gas ignition inside the cylinder, the temperature may pump up to 350 Celcius, and it may damage the engine. The piston ring has a significant role in releasing the heat inside the cylinder.

Having the right size of a piston ring is a huge factor, wherein it will not allow any leakage of gas from the cylinder to prevent high fuel consumption and pollution. Piston ring configuration and sizes may vary depending on the machinery or engine size. That’s why it is essential to know the exact details of the project to make a perfect rubber piston ring. Our customized rubber products are made from high-grade compound materials and comply with global quality standards to ensure durability and reliability. To know more about the rubber piston ring, don’t hesitate to contact our sales team.


The piston ring and how the rubber-type piston ring started are quite interesting. The first type of piston ring was made of metal. However, this ring was not very effective because it often caused engine noise and wear. Rubber-type piston rings were invented in the early 1800s, and it became popular because they tended to be more effective in preventing engine noise and wear. After the invention of rubber-type piston rings, many engines and device manufacturers began to use them to improve their performance and efficiency. Therefore, more and more customers prefer this type of piston ring.

Industrial-grade and Traditional Piston Ring

Which is the better piston ring for your engine? The industrial-grade piston ring, made from high-quality materials and designed for durability? Or the traditional piston ring, made from softer materials and less durable?

The answer to that question may surprise you. In many cases, the traditional piston ring is the better option. The conventional piston ring conforms to the engine’s bore more easily, creating a tighter seal that prevents oil and gas from escaping. The industrial-grade piston ring is more likely to cause wear and tear on the engine over time.

So if you’re looking for a piston ring that will provide long-term performance and protect your engine, go with the traditional piston ring. It may not be as durable as the industrial-grade option, but it will do the job well for a much lower price.

Manufacturing Process

Rubber piston rings are manufactured in a variety of ways. A few methods include extrusion, compression molding, and injection molding. The most common rubber rings are compression molded, which is the easiest to manufacture. This process involves heating a mixture of rubber and plastic under high pressure; then cooling it into a shape. There are a lot of benefits to using rubber rings in your machine. First, they are very durable and will last for years. Another advantage is that the rubber ring is more resistant to wear and tear than metal rings. Rubber piston rings can come in various shapes and sizes to suit the needs of a particular application.

Rubber Piston Ring Seal Quick Details

Application Type: Automotive, Engineering, Industrial, Aerospace, Manufacturing, Marines
Material: EPDM, Nitrile, Silicone, Neoprene, etc…
Color: Black
Variants/ Type: This Will be base on the client’s specification
Purpose: Sealing, Friction Resistance

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
Facebook Page: RK Rubber Enterprise Co.