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3,996,751 so'm
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About the product
Characteristic
Diamond
Zhecheng county, Shangqiu city, Henan province
60/70
60/70
65
Shifa
60/70
Single crystal diamond
No
60/70
Central South Diamond
Description
粒度目数对照表
中国标准 | 美国标准 国际标准 | 日本标准 目数# | 中值(D50um) |
W0.2 | 0-0.2 | 80000 | 0.1 |
W0.25 | 0-0.25 | 60000 | 0.11~0.20 |
W0.5 | 0-0.5 | 30000 | 0.20~0.30 |
W1 | 0-1 | 15000 | 0.6~0.8 |
W1.5- | 0-2 | 13000 | 1.0 |
W1.5 | 1-2 | 12000 | 1.1~1.3 |
W2.5 | 1-3 | 10000 | 1.6~1.8 |
W3 | 2-3 | 7000 | 1.9~2.1 |
W3.5 | 2-4- | 6500 | 2.2~2.6 |
W3.5 | 2-4 | 6000 | 2.6~3.0 |
W4 | 2-5 | 5000 | 3.1~3.4 |
W5 | 3-6 | 4000 | 3.5~4.2 |
W6 | 4-6 | 3500 | 4.4~5.0 |
W7 | 4-8 | 3000 | 5.0~6.0 |
W10 | 4-9 | 2500 | 6.1~6.5 |
W10 | 5-10 | 2000 | 6.5~7.3 |
W10 | 6-12 | 1800 | 7.3~8.3 |
W12 | 8-12 | 1600 | 8.3~9.0 |
W14 | 7-14 | 1500 | 9.1~10.5 |
W14 | 8-16 | 1300 | 10.0~12.0 |
W20- | 10-20 | 1200 | 12.5~15.0 |
W20 | 12-22 | 1000 | 15.0~17.0 |
W20+ | 15-25 | 800 |
18.0~20.0 |
W28 | 20-30 | 700 | 20~23 |
W28+ | 22-36 | 600 | 23~26 |
W40- | 20-40 | 500 | 26~29 |
W40 | 30-40 | 450 | 29~32 |
W40+ | 35-45 | 400 | 32~36 |
W50 | 36-54 | 37~43 |
Characters
Diamond
Zhecheng county, Shangqiu city, Henan province
60/70
60/70
Description
粒度目数对照表
中国标准 | 美国标准 国际标准 | 日本标准 目数# | 中值(D50um) |
W0.2 | 0-0.2 | 80000 | 0.1 |
W0.25 | 0-0.25 | 60000 | 0.11~0.20 |
W0.5 | 0-0.5 | 30000 | 0.20~0.30 |
W1 | 0-1 | 15000 | 0.6~0.8 |
W1.5- | 0-2 | 13000 | 1.0 |
W1.5 | 1-2 | 12000 | 1.1~1.3 |
W2.5 | 1-3 | 10000 | 1.6~1.8 |
W3 | 2-3 | 7000 | 1.9~2.1 |
W3.5 | 2-4- | 6500 | 2.2~2.6 |
W3.5 | 2-4 | 6000 | 2.6~3.0 |
W4 | 2-5 | 5000 | 3.1~3.4 |
W5 | 3-6 | 4000 | 3.5~4.2 |
W6 | 4-6 | 3500 | 4.4~5.0 |
W7 | 4-8 | 3000 | 5.0~6.0 |
W10 | 4-9 | 2500 | 6.1~6.5 |
W10 | 5-10 | 2000 | 6.5~7.3 |
W10 | 6-12 | 1800 | 7.3~8.3 |
W12 | 8-12 | 1600 | 8.3~9.0 |
W14 | 7-14 | 1500 | 9.1~10.5 |
W14 | 8-16 | 1300 | 10.0~12.0 |
W20- | 10-20 | 1200 | 12.5~15.0 |
W20 | 12-22 | 1000 | 15.0~17.0 |
W20+ | 15-25 | 800 |
18.0~20.0 |
W28 | 20-30 | 700 | 20~23 |
W28+ | 22-36 | 600 | 23~26 |
W40- | 20-40 | 500 | 26~29 |
W40 | 30-40 | 450 | 29~32 |
W40+ | 35-45 | 400 | 32~36 |
W50 | 36-54 | 37~43 |