![](/images/smile/93.jpg)
![](/images/smile/196.jpg)
![](/images/smile/49.jpg)
![](/images/smile/271.jpg)
![](/images/smile/47.jpg)
![](/images/smile/200.jpg)
![](/images/smile/170.jpg)
![](/images/smile/224.jpg)
![](/images/smile/148.jpg)
![](/images/smile/336.jpg)
![](/images/smile/10.jpg)
![](/images/smile/241.jpg)
![](/images/smile/42.jpg)
![](/images/smile/183.jpg)
![](/images/smile/43.jpg)
![](/images/smile/207.jpg)
![](/images/smile/159.jpg)
![](/images/smile/283.jpg)
![](/images/smile/134.jpg)
![](/images/smile/270.jpg)
![](/images/smile/145.jpg)
![](/images/smile/214.jpg)
![](/images/smile/57.jpg)
![](/images/smile/314.jpg)
![](/images/smile/81.jpg)
![](/images/smile/344.jpg)
![](/images/smile/26.jpg)
![](/images/smile/313.jpg)
![](/images/smile/137.jpg)
![](/images/smile/250.jpg)
![](/images/smile/168.jpg)
![](/images/smile/327.jpg)
![](/images/smile/45.jpg)
![](/images/smile/299.jpg)
![](/images/smile/169.jpg)
![](/images/smile/329.jpg)
![](/images/smile/149.jpg)
![](/images/smile/246.jpg)
Most of the industrial diamonds are used to make abrasive tools. The hardness of diamond is particularly high, which is 2 times, 3 times and 4 times that of boron carbide, silicon carbide and corundum respectively. It can grind extremely hard workpieces and has many advantages. Some of its applic...
![](/images/whatsapp.png)
![](/images/smile/157.jpg)
![](/images/smile/202.jpg)
![](/images/smile/7.jpg)
![](/images/smile/280.jpg)
![](/images/smile/168.jpg)
![](/images/smile/271.jpg)
![](/images/smile/139.jpg)
![](/images/smile/333.jpg)
![](/images/smile/155.jpg)
![](/images/smile/246.jpg)
![](/images/smile/100.jpg)
![](/images/smile/244.jpg)
![](/images/smile/155.jpg)
![](/images/smile/273.jpg)
![](/images/smile/61.jpg)
![](/images/smile/293.jpg)
![](/images/smile/120.jpg)
![](/images/smile/238.jpg)
![](/images/smile/104.jpg)
![](/images/smile/321.jpg)
![](/images/smile/86.jpg)
![](/images/smile/289.jpg)