You are right Razorfaust. Corian is only inside thin layer. Outside is resin dyed for white and red colour, moulded on steel mesh. It's made specially for this project.
And small bonus. Clip with customer who is ahaving this razor.
https://youtu.be/7nein8G_tJ0
... and milling of scales
https://youtu.be/58xZWJh2UQ4