With more than 10 years of technology expertise on alumina materials, Johncera has recently developed a series of high purity alumina grinding balls that solves your problems on both Cost and Purity.

The table shows several key differences between tra and specialty ceramics.

The table shows the main properties and applications of structural ceramic materials.

The table shows representative milestones in the development and application of specialty ceramic materials.

Johncera provides 99.7% corundum (alumina) crucibles with excellent thermal performance. Made by traditional slipcasting method. Available in various shapes and sizes. Checkout classic arc, boat, cylindrical, and rectangular corundum cr

Johncera provides 99.7% corundum (alumina) crucibles with excellent thermal performance. Made by traditional slipcasting method. Available in various shapes and sizes. Checkout classic arc, boat, cylindrical, and rectangular corundum cr