alumina ceramic rings

Ceramic seal

Specification:   

Purity of material: *5%, *6% and *9% alumina optional Process:  Heat compression molding or dry-pressed molding

Color: White, Ivory, black optional

Size: Outer diameter up to **0mm; Minimal inner diameter:1mm; Thickness : Min. 0.8mm Length tolerance:≤± 0.*5mm, Width tolerance≤± 0.1mm, Height tolerance ≤±0.1mm, Parallelism ≤ 0.*3mm  

Features:

1.Alumina ceramic seal faces have the property of the resistant-high-temperature, resistant-corrosion, resistant-wearing and good sealing.

2.Perfect flatness, no deformation.

1.Surface treatment: Polished or ground plane surface

4.Leadless glaze, the surface is bright, and without sharp edge at the corners. 5.The plane surface without pores,without miscellaneous points,without scratches and cracks. 6.Can be arbitrarily adjusted glaze color and glaze firing temperature.