What is it and where to get this plastic trim piece

[Fly Boomer]

18 hours ago, PT20J said:

Data sheet for R57:

Royalite® R57 – thermoplastic sheet is a fire-rated, rigid ABS/PVC product
specifically developed to meet Federal Aviation Administration requirements. It
passes FAR 25.853b at 0.047" and above. It combines its light weight with very
high impact strength, high tensile strength and stiffness, and excellent formability
and ductility.

Looks like a close relative of R59.

[PT20J]

11 hours ago, M20F-1968 said:

 

I stand corrected.

John Breda

No worries. I didn't know that there were so many variants of ABS until your post caused me to investigate. So, we all learned something. I've always just picked up scraps from a local TAP Plastics. I never gave fire retardancy a thought because I only use small pieces for reinforcing the original plastic parts. But, it's good to know that there is a material that meets FAA specs if I ever had to fabricate something larger.