What specific type of rubber were the Space Shuttle SRB O-rings made out of? What changes were made to them after Challenger? - Quora
![PDF] FE Analysis of Contact Pressure Prediction on O-Rings Used in Solid Rocket Booster Segment Joints | Semantic Scholar PDF] FE Analysis of Contact Pressure Prediction on O-Rings Used in Solid Rocket Booster Segment Joints | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/4cc7c2c42b08d8b5077cc9cf51459eac451bb142/1-Figure2-1.png)
PDF] FE Analysis of Contact Pressure Prediction on O-Rings Used in Solid Rocket Booster Segment Joints | Semantic Scholar
![This is a close-out photograph of the O-ring in the top of the aft segment of the right solid rocket booster flown on space shuttle Challenger mission 51-L. The photograph was released This is a close-out photograph of the O-ring in the top of the aft segment of the right solid rocket booster flown on space shuttle Challenger mission 51-L. The photograph was released](https://c8.alamy.com/comp/DHD9DB/this-is-a-close-out-photograph-of-the-o-ring-in-the-top-of-the-aft-DHD9DB.jpg)
This is a close-out photograph of the O-ring in the top of the aft segment of the right solid rocket booster flown on space shuttle Challenger mission 51-L. The photograph was released
![Space Shuttle Challenger Disaster (1986) | by Arjit Raj | Rocket Science, Falcon 9 and SpaceX | Medium Space Shuttle Challenger Disaster (1986) | by Arjit Raj | Rocket Science, Falcon 9 and SpaceX | Medium](https://miro.medium.com/max/602/0*HlhMkNDLpDydrr5C.png)