產品介紹: GAR Electroforming Cast Comparator C9鑄造表面對比板 CAST microfinish Surface comparator 9 Specimens provided.包含九個樣板 Cast surface values for die casting, investment, shell, centrifugal, permanent mold ferrous and non-ferrous, sand and green sand from 20 to 900 microinches (Metric Model: 0.51 to 22.86 micrometers). 壓鑄件、熔模、外殼、離心式、鑄模、黑色金屬和有色金屬、砂和濕砂的鑄造表面值為20至900微英寸