90-degree ceramic seal disc

We offer various specs of ceramic seal disc and rings, which can be used in many kinds of faucets, pumps, and so on.
Material: 95%--99% alumina
Size: According to customers' request
The frictional times are 300, 000 to 500, 000, the density is3. 6~3. 7g/cubic centimeter, the rigidity is 84~86 HRA, the thickness tolerance is less than 0. 02mm, the diameter tolerance is less than 0. 02mm, meanwhile, we can manufacture according to customers' drawings or samples.
Looking forward to cooperation with you.