Microcellular PU vs rubber bump stops is decided by load case and engagement frequency, not by material prestige. Polyurethane holds a progressive curve and holds its height under heat; rubber costs less and suits stops that are rarely touched. The eight-dime...

How a Polyurethane Bumper Is Made A jounce bumper, also known as a bump stop, bump rubber, rubber buffer or strut bumper, is an elastic component typically made of high elasticity polyurethane using an MDI or NDI system. It is installed on the piston rod of a...