... stability, good shape processing performance and relatively low price. The PP was modified so that it can adapt to a wider ... range of application requirements, the modified PP materials, research and promotion, making crowd in PP material in the engineering plastics industry, ... :Common engineering plastics: PC, ABS, PP, PPO, HIPS, PA6, PA66, PPS, POM, PET, PBT.Special high polymer: PPA, PPS, PES, PEI, ...