QualiCell cellulose ethers are indispensable additives for a broad variety of ceramic applications. Our highly specialized products act as Binder,Plasticizer,Rheology modifier,Stabilizer, QualiCell ceramic grades can help you to improve your product quality and to optimize your process efficiency:
·Provide good lubricity and plasticity.
·Entirely give the operability of ceramic product molds.
·Ensure a very dense internal structure after calcination, and the surface of the product is smooth and delicate.
·Workability of mould of honeycomb ceramic products
·Better green strength of honeycomb ceramic products
·Good lubrication performance, which is conducive to extrusion molding
·Round and delicate surface.
Ceramics
Honeycomb ceramics are widely used in power generation, desulfurization and denitrification, and exhaust gas treatment of automobiles. With the advancement of technology, thin-walled honeycomb ceramic technology is increasingly used. Cellulose ether plays a vital role in the production of thin-walled honeycomb ceramics and significantly affects the shape retention of the green body.
Engobes and glazes
The rheology modifying effects of Tylose prevent sedimentation of solids as well as supporting good flowability of the glazing slips, ensuring a uniform coating of ceramic bodies. In a dry state, KimaCell strengthens the capability of the glaze film to bind to the ceramic surface, making it smooth and stable.
Extrusion
QualiCell is an indispensable additive for the plastification of ceramic extrusion mixes, especially for the extrusion of technical ceramics, used in the automotive and chemical industry. Typical examples are honeycomb catalyst substrates and particle filters for exhaust gas after-treatment applications. QualiCell shows fast hydration and swelling and unfolds its plastification and water retention effects in a highly efficient way. With the combination of high thermal stability, high green strength and low fibre content, QualiCell enables high extrusion rates, even with ultra-thin wall substrates. In the drying process QualiCell prevents cracks via its binding effect, additionally supported by its thermal gelation capabilities.
Powder Granulating
Cellulose ether prevents sedimentation in spray drying slips and acts as rheology modifier. It contributes to an advantageous particle size distribution of the dried granules and fast filling of pressing moulds. In combination with plasticising and other additives, it provides high green strength and shows excellent debinding behaviour.
Engobes & Glazes
Tape casting: Use of 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.
Powder Metallurgy
In powder metallurgic extrusion applications, special cellulose ether grades provide an outstanding thickening effect in water and in certain compositions of organic solvents.
Extrusion
Tape casting: Use of 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.
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