巴斯夫聚苯二甲酰胺（PPA）产品组合添加新成员Ultramid ® Advanced N3U42G6。这是一款无卤阻燃聚酰胺9T材料，可降低新能源汽车的电子电气零部件上金属触点的电腐蚀。这款阻燃 PPA ...

Have you ever seen these scenes: Robot playing the guzheng, English short dramas generated by AIGC, and the ten-mile red ...