Semi-Matte Glaze
It is difficult to draw a line between what is matte and what is semi-matte from a visual inspection point of view. However from a production point of view it is much easier. Glazes generally want to be glossy, the vast majority of random glaze formulations would be glossy. Matte glazes, on the other hand, are difficult to create, there is a narrow range of chemistries wherein matte effects will develop such that the glaze is still well melted and does not cutlery mark or craze. Matte glazes can be such because of a micro-wavy light-scattering surface or because of crystallization, each mechanism has its own firing and process challenges to maintain. Companies generally configure their process to make the glaze as matte as possible while still having good technical properties (actually some do relax the technical properties and tolerate some cutlery marking, for example). Thus, to them, a semi-matte is a relaxing of the stringent requirements of the matte effect, a movement toward an easier-to-manufacture product. The semi-matte range is quite narrow, small chemistry changes toward more gloss produce large shifts toward actual gloss in the fired glaze. Companies can measure the amount of semi-matteness by measuring the amount of reflected light from a glaze surface or comparison of surface micrographs. Out Bound Links
- (Glossary)
Matte Glaze
A glaze that is not glossy. Of course, unmelted gl... - (Articles)
G1214Z Cone 6 Matte Base Glaze This glaze was developed using the 1214W glossy as a starting point. This article overviews the type...
In Bound Links
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