Hi All,  Does anyone know the exact name of the material that
was used to make the Standard valve guides that were sold by PPCo?
Here are a couple of pictures.

Musically,
John A Tuttle
Player-Care.com
Brick, New Jersey

 [ red valve guide
 [ http://www.mmdigest.com/Attachments/15/11/13/151113_202203_valve-guide.jpg

 [ gray valve guide
 [ http://www.mmdigest.com/Attachments/15/11/13/151113_202203_valve-guide-3.jpg

 [ It looks like a paper base phenolic laminate such as Bakelite
 [ or Micarta.  Ref. https://en.wikipedia.org/wiki/Micarta
 [ -- Robbie