What's the difference between abdominal muscles? Taiwan Province chimei PA747 and PA747s? Is there any difference in the product performance of beer M?

Although these two ABS brands look very similar, they are not the same. PA747 is suitable for injection molding and PA747S is suitable for extrusion, and its fluidity is much worse than that of PA747.

Apart from the problem of processability, there is little difference in mechanical properties between them. Generally speaking, PA747 is slightly better and PA747S is slightly harder.