Bi-material BI-INJECTION or BI-MATERIAL INJECTION is a method for producing in an economical, parts combining the characteristics of two different thermoplastic materials. The main applications are: 2-color parts or having a transparent portion and an opaque portion Parts with rigid zones and areas in ELASTOMER FLEXIBLE: SEAL, SEAL, HINGE effect, areas SHOCK absorbers, integrated push button function ... Rigid parts with areas a "SOFT TOUCH" or indeed "GRIP" The technology used by OPS Plastique is suitable for small and medium series. It reduces the cost of molds and thus makes this technology affordable to many new markets.