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Home > Resources > Shooting Star Newsletter > Shooting Star Volume 8 Issue 11
Volume 9 Issue 3

We’re proud to supply our Ultracomp® bearing materials as part of a new level of fire resistance for one of the world’s premier transit systems. Our fire retardant (FR) composite bearing components help protect passengers from the moment they step onto the platform, throughout their train ride, and right along to departure.

Avoiding passenger peril

Our client manages one of the largest transit systems in the world, with more than 450 stations and over 1.5 million riders annually. With such a massive passenger volume, limited evacuation routes, plus an underground location, fire prevention remains a chief design consideration for system authorities.

Fire can result from a multitude of sources. A simple spark generated from a moving train can quickly ignite paper refuse along electric rails. Even steel dust can ignite if left to accumulate too long.

That’s why our team was honored to collaborate with transit designers to ensure that their bearing materials and components were specially treated to resist fire and improve passenger safety.

Fire resistant and fully reliable

Aboard the train, we recommended our Ultracomp UC200FR bearing materials to reduce the threat of fire on the system’s brakes, couplers and other undercarriage components. Ultracomp is prized for its ability to absorb vibration and impact, as well as its self-lubricating properties

Together, TriStar’s bearing materials help to improve public safety, and enhance fire resistance throughout the system.

We invite you to reach out to our in-house experts for advice on your bearing application. You can also join the conversation of our Tech Talk Bearing Blog to learn more about the latest in custom plastic manufacturing.

Tech Talk

TriStar Plastics Corp.
Surface Energy of Plastics
The dynamics of wetting is described on the next page: Spreading = A - ( B+ C ) Where: A = surface energy of solid (given below) B = surface tension of liquid C = surface energy of solid-liquid interface If Spreading is: Negative. Then, liquid will bead up. Zero. Then, liquid will spread. Positive. Then, liquid will spread. If ...

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Download the TriStar Ultracomp Brochure
Ultracomp Brochure
(Ultracomp.pdf - 892KB)