国产成人剧情AV果冻传媒

        1. <big id="1ef9q"></big>
          當前位置:首頁 > 產品中心 > 詳情瀏覽
           
             
           

          Note: The grit designation is prefixed with a "D" to denote diamond and a "B" to denote CBN

           

          Narrow Range Grades   

          FEPA
          Grit Designation
          approx.
          mean size µm

          U.S.
          Standard
          ASTME 11

          BRITISH BS 1987

          1181

          16/18

          14/16

          1001

          18/20

          16/18

          851

          20/25

          18/22

          711

          25/30

          22/25

          601

          30/35

          25/30

          501

          35/40

          30/36

          426

          40/45

          36/44

          356

          45/50

          44/52

          301

          50/60

          52/60

          251

          60/70

          60/72

          213

          70/80

          72/85

          181

          80/100

          85/100

          151

          100/120

          100/120

          126

          120/140

          120/150

          107

          140/170

          150/170

          91

          170/200

          170/200

          76

          200/230

          200/240

          64

          230/270

          240/300

          54

          270/325

          300/350

          46

          325/400

          350/400

           

           Wide Range Grades  

          FEPA Grit Designation
          approx.
          mean size µm

          U.S Standard ASTME 11 

          BRITISH BS 1987 

          1182

          16/20

          14/18

          852

          20/30

          18/25

          602

          30/40

          25/36

          502

          35/45

          30/44

          427

          40/50

          36/52

          252

          60/80

          60/85

           

           
          国产成人剧情AV果冻传媒