Material: 90%~95% alumina.
Size: As per customers' request

Surface treatment: Mirror surface ( polishing surface)

Features:
1.The frictional times is 300, 000 to 500, 000,

2.Density :3.6~3.7g/cubic centimeter,

3.Rigidity is 84~86 HRA,

4.The thickness tolerance is less than 0.02mm, the diameter tolerance is less than 0.02mm,

Application:

1.Used in quick open cartridge

2.Used in many kinds of valve for faucets, diverter and sanitary devices.

3.Ceramic sealing parts for various of industrial devices

We have great advantage in cost and technology on these parts because of our skillful, professional staffs, In the meantime, we can manufacture different kind of ceramic disc based on customers' drawings or samples.