Polyurethane SpringsOur range of polyurethane mould springs include springs in Adipol and Ultraflex, which are both materials affording outstanding strength.Our catalogue also includes elastomer springs by Effbe, distinguished by resistance over time and permanent elasticity. Types Adipol® Ultraflex® Effbe Special designs We are in a position to produce special bespoke polyurethane springs, with the necessary dimensions for your mould.