The materials formulations and processing technology of the polypropylene packaging box for cannonhall are studied by twin-screw extruding blending with polypropylene as the main materials.

• 以聚丙烯为主要原料,通过双螺杆挤出机挤出共混研究炮弹用聚丙烯包装箱材料的配方及加工工艺。