Engobes and Glazes

Cellulose ether for Engobes and Glazes
Gomez Chemicals Cellulose ethers products, especially HEC products, are widely used in engobe, glazes, and extrusion. They exhibit excellent performance features in these applications

MASI® Cellulose for Ceramic

MASI® HE cellulose ethers can be used in the glaze for ceramics and combined with vitreous enamel, to ensure a uniform coating of ceramic bodies. Besides, the addition of MikaZone™ products can improve the smooth surface finish of ceramic products and increase stability.

Tape casting: Use of Gomez cellulose ethers provides better flow and leveling and more uniform thickness. Low sodium residues provide the purity necessary for electronic items. Thermal gelation reduces binder migration and surface faults.

Extrusion forming: Used as a temporary binder and processing aid, Gomez cellulose ethers allow precise control of rheology in ceramic mixes, permitting broader operating ranges. Lubricity reduces energy consumption and dies wear, and promotes smoother surfaces. Thermal gelation permits extrusion of extremely delicate, thin-walled shapes without sag or deformation.

Dry and isostatic pressing: Gomez products provide optimum grain lubrication for tighter, more uniform packing. The results are more predictable green densities, less shrinkage during firing, and higher fired strengths.

Dry and isostatic pressing: Gomez products provide optimum grain lubrication for tighter, more uniform packing. The results are more predictable green densities, less shrinkage during firing, and higher fired strengths.

Glazes/porcelain enamel: Gomez cellulose ethers improve control of viscosity and rheology and fire out completely in the kiln.

Injection molding: Use of gomez cellulose ethers provides higher green densities and better green strength. In high-temperature coatings/refractory mixes and mortars, gomez cellulose improves workability and application properties. Because celopro products have low ionic salt residues, they won’t lower melting points. In fact, they can permit a reduction in use of plasticizers with low melting points. ​

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