• September 23. 2025

JST Seals possesses comprehensive in-house capabilities to perform PR2 tests under stringent conditions, ensuring the reliability and performance of our sealing products. Our facility is equipped with advanced testing apparatus, including material abrasion testers, high- and low-temperature PR2/PR2F test systems, ultra-low temperature equipment using liquid nitrogen (-320.8°F / -196°C), and a rang...

• September 25. 2025

The Step seal is a preloaded combination seal, integrating a PTFE glide ring for dynamic sealing and an elastomeric O-ring for static sealing and energization. For optimal system performance, it is recommended to be used in conjunction with a double-lipped wiper seal. Characteristics and Benefits: Compact Groove Design: Minimizes the required installation space. Minimized Friction: Provides extrem...

• October 11. 2025

In the high-pressure environments of the oil and gas industry, there is a seemingly small yet critically important component—the seal. When it comes to completion equipment and drilling equipment, a phenomenon known as Rapid Gas Decompression (RGD) can have catastrophic effects on sealing systems. Today, we will delve into this specialized but crucial topic.   What is Rapid Gas Decompre...

• October 22. 2025

As semiconductor manufacturing advances towards more sophisticated processes, the operating environments have become extremely demanding—high temperatures, aggressive plasmas, corrosive chemical gases, and stringent purity requirements all place near-cruel challenges on sealing materials. JST has launched the Kalfluo® series of perfluoroelastomer (FFKM) sealing solutions, dedicated to me...

• October 31. 2025

In industrial applications, sealing performance is critical to equipment stability, safety, and operational efficiency. Standard seals often fail under extreme conditions—such as intense pressure, wide temperature fluctuations, and harsh chemical exposure. That’s where JST Spring energized seal come in. Engineered with a unique composite structure and superior materials, they deli...