common plastic
especially common for shock-absorbing, “comfort” outsoles
adhesives often require prior treatment with a primer
often gums up abrasives by partial melting
often used in open-cell form, which can absorb and retain water
Also Known As: Urethane, PU
common plastic
especially common for shock-absorbing, “comfort” outsoles
adhesives often require prior treatment with a primer
often gums up abrasives by partial melting
often used in open-cell form, which can absorb and retain water