Originally Posted by areveruz
The quickest explanation I can give you without writing a wall of text to explain sintered vs. extruded is that extruded is slower, doesn't hold wax as well, and are usually boards you beat up pretty good. Most cheap park boards are extruded for that reason. Sintered bases are the exact opposite. Extruded = carefree. Sintered=Performance.
couldnt have said it better myself