Adding an opacifier can produce cutlery marking!

Wednesday 2nd April 2014

G2934 cone 6 matte (left) with 10% zircopax (center), 4% tin oxide (right). Although the cutlery marks clean off all of them, clearly the zircopax version has the worst problem and is the most difficult to clean. To make the best possible quality white it is wise to line blend in a glossy glaze to create a compromise between the most matteness possible yet a surface that does not mark or stain.

Pages that reference this post in the Digitalfire Reference Database:

ZrO2, G2934 - Matte Glaze Base for Cone 6, Zircopax, Opacifier, Opacification, Cutlery Marking

This post is one of thousands found in the Digitalfire Reference Database. Most are part of a timeline maintained by Tony Hansen. You can search that timeline on the home page of