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Classification Of Polycrystalline Materials of PCD wire drawing dies

Classification of polycrystalline materials of polycrystalline drawing dies Polycrystals in PDC drawing dies are mainly divided into the following 4 categories:

1) Common polycrystalline wire drawing dies: our term is TSP. It is sintered with “silicon” as the binder. It is characterized by its low price,high-temperature resistance below 1600 degrees and good wear resistance (about 10 times the life of carbide dies), but its surface finish is not very good. Classification of polycrystalline materials of polycrystalline drawing dies Polycrystals in PDC drawing dies are mainly divided into the following 4 categories:

2) High-density polycrystalline wire drawing dies: our term is TSP. It is also sintered with “silicon” as the binder. As the name suggests, its density is relatively high, characterized by the low price,high-temperature resistance below 1600 degrees, and good wear resistance (about 15 times the hard alloy die). Still, its surface finish is not very good.

3) High crystal poly wire drawing dies: the term is “PCD”; it is sintered with “cobalt” as the binder. It is characterized by high price,high-temperature resistance below 1200 degrees, and very good wear resistance (15 times life than carbide dies), but its surface finish is good.

4) CD polycrystal wire drawing dies: the term is “PCD”; it is sintered with “cobalt” as the binder. It is characterized by a relatively high price,high-temperature resistance below 1200 degrees, very good wear resistance ( 30 times use life than carbide dies), and its surface finish is greatly good.

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