the present invention refers to an environmentally degradable polymeric blend , comprising biodegradable polymers defined by polyhydroxybutyrate or copolymers thereof and polycaprolactone and , optionally , at least one additive defined by a filler , nucleant , thermal stabilizer , processing aid , with the purpose of preparing an environmentally degradable polymeric blend . according to the production process described herein , the blend resulting from the mixture of the biodegradable polymers , phb and pcl , and at least one additive , can be utilized in the manufacture of injected food packages , injected packages for cosmetics , tubes , technical pieces and several injected products .