An anonymous user on Reddit, who apparently works in the aerospace field, posted an image of what a 1/2oz of space debris can do to a block of solid aluminum. This test was done by a light-gas gun in close quarters and shows how much damage even a tiny amount of space debris can do:
trainsphobic on April 7th, 2019 at 15:08 UTC »
That's because aluminum is a little bitch metal
jsg144 on April 7th, 2019 at 16:35 UTC »
What happened to the plastic.
SheepCantFly on April 7th, 2019 at 18:17 UTC »
https://bigthink.com/news/heres-the-damage-a-tiny-speck-of-space-debris-can-do-at-15000mph