Ceramic / Glass Additives
50 products
Ceramic / Glass Additives
Binders, dispersants & functional additives for ceramics and technical glass
50 products
50 products
ceramic glass additives
Manganese Dioxide Brown Ceramic Colorant
CAS: 1313-13-9
Manganese dioxide (MnO2) is a brown-to-black ceramic colorant and flux modifier used in earthenware, stoneware, and porcelain glazes and bodies. At 2–5%, MnO2 produces warm tan-to-brown tones; in combination with CoO it generates blue-grey and violet ceramic colors. MnO2 is also a key dopant in ZnO varistor compositions where it stabilizes grain boundary microstructure.
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Methylcellulose Ceramic Binder & Plasticizer
CAS: 9004-67-5
Methylcellulose (MC) is a non-ionic cellulose ether used as a binder, plasticizer, and rheology modifier in ceramic extrusion and injection molding. Its unique thermal gelation property—forming a gel when heated—provides shape retention during extrusion of honeycomb bodies, catalytic substrates, and tubes. It burns out cleanly during sintering.
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Nonionic Wetting Agent for Ceramics (Triton X-100 Type)
CAS: 9002-93-1
Polyethylene glycol octylphenyl ether (Triton X-100 type) is a nonionic surfactant and wetting agent widely used in ceramic slips, glazes, and screen-printing pastes to reduce surface tension, improve substrate wetting, and prevent crawling and pinholing defects. At 0.05–0.5%, it enables uniform glaze coverage on porous substrates and improves ceramic ink penetration in inkjet printing.
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PEG 4000 Ceramic Spray-Drying Aid
CAS: 25322-68-3
Polyethylene glycol 4000 (PEG 4000) is the preferred molecular weight grade for ceramic spray-drying granulation, balancing granule flowability, pressing behavior, and burnout characteristics. As a spray-drying additive at 1–3 wt%, PEG 4000 produces free-flowing, near-spherical granules with good inter-granule bonding strength, enabling consistent die filling and uniform compaction in automated pressing lines.
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Paraffin Wax Ceramic Binder
CAS: 8002-74-2
Paraffin wax is the primary binder and carrier in hot-press slip casting and low-pressure injection molding (LPIM) of technical ceramics. Molten paraffin provides excellent flowability and shape replication at processing temperatures, while wax debinding by solvent extraction or thermal methods yields minimal carbon residue in sintered parts.
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Polyethylene Glycol Ceramic Plasticizer & Binder
CAS: 25322-68-3
Polyethylene glycol (PEG) is a versatile water-soluble polymer used as a plasticizer, binder, and lubricant in ceramic forming processes including dry pressing, extrusion, and spray drying. PEG grades 1000–6000 are most common for ceramics, providing excellent lubrication during compaction and clean, low-residue burnout during binder removal.
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Polyethylenimine Cationic Ceramic Dispersant
CAS: 9002-98-6
Polyethylenimine (PEI) is a branched cationic polymer used as a dispersant for negatively charged ceramic powders such as SiC, Si3N4, and carbon-based materials at acidic to neutral pH. PEI adsorbs strongly through electrostatic interaction, providing steric and electrostatic stabilization. It is widely used in aqueous processing of non-oxide ceramics and as a flocculation reversal agent.
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Polyvinyl Alcohol Ceramic Binder
CAS: 9002-89-5
Polyvinyl alcohol (PVA) is a water-soluble synthetic polymer widely used as a temporary binder in ceramic powder pressing and extrusion. It provides excellent green strength, uniform dispersion, and clean burnout at low temperatures, leaving minimal residue in sintered parts. Ideal for technical ceramics, tiles, and advanced ceramic components.
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Potassium Feldspar Ceramic Flux
CAS: 68476-25-5
Potassium feldspar (K-feldspar, KAlSi3O8) is the primary fluxing agent in porcelain, bone china, and vitreous sanitary ware ceramic bodies. During firing, feldspar melts at 1150–1250 °C to form a viscous glass that cements the ceramic grains and provides translucency and mechanical strength. The K2O/Na2O ratio determines glass viscosity and firing range.
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Praseodymium-Zircon Yellow Ceramic Pigment
CAS: 68609-53-0
Praseodymium-doped zircon yellow (Pr-ZrSiO4) is a high-performance, environmentally-friendly yellow ceramic pigment used in glazes, ceramic inks, and body stains. The Pr4+ ion substituting into the ZrSiO4 crystal lattice provides intense lemon-yellow color with outstanding thermal stability above 1300 °C and excellent resistance to acids, alkalis, and solvents.
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Quartz Silica Ceramic Filler
CAS: 14808-60-7
High-purity ground quartz (SiO2) is one of the three principal raw materials in traditional ceramic bodies alongside kaolin and feldspar. Quartz acts as a refractory filler that controls thermal expansion, reduces drying shrinkage, and improves fired strength and dimensional stability. Particle size distribution and iron content are critical quality parameters for whiteness and fired properties.
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Silicon Carbide Whisker Ceramic Reinforcement
CAS: 409-21-2
Silicon carbide (SiC) whiskers are single-crystal fibrous reinforcements used to improve the fracture toughness and mechanical strength of ceramic matrix composites, particularly in alumina and silicon nitride matrices. SiC whisker additions of 20–30 vol% can increase KIC by 2–4x through crack-bridging and crack-deflection toughening mechanisms.
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Sodium Alginate Ceramic Binder
CAS: 9005-38-3
Sodium alginate is a natural polysaccharide binder derived from brown seaweed, used in traditional and technical ceramics for slip casting, extrusion, and pelletizing. It forms strong hydrogel networks in the presence of calcium ions, providing excellent green strength and shape stability. Sodium alginate is a sustainable, bio-based binder alternative.
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Sodium Hexametaphosphate Ceramic Deflocculant
CAS: 10124-56-8
Sodium hexametaphosphate (SHMP), also known as Calgon, is a potent inorganic deflocculant for ceramic slips containing clay minerals. Its polymeric phosphate chain strongly adsorbs onto clay edges and surfaces, maintaining electrosteric repulsion and enabling ultra-high solids loading (65–72 wt%) in sanitaryware and porcelain slip casting operations.
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Sodium Polyacrylate Ceramic Dispersant
CAS: 9003-04-7
Sodium polyacrylate (NaPA) is a high-performance anionic dispersant for aqueous ceramic suspensions, particularly alumina, silica, and mixed oxide systems. It provides steric and electrostatic stabilization through polymer chain adsorption onto ceramic particle surfaces, enabling high-solids slurries (>70 wt%) with low viscosity. Widely used in MLCC, technical ceramics, and advanced structural ceramics.
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Sodium Silicate Ceramic Deflocculant
CAS: 1344-09-8
Sodium silicate (waterglass) is one of the oldest and most widely used ceramic deflocculants, typically used in combination with STPP in traditional ceramics. The silicate anion increases the negative surface charge on clay particles, reducing viscosity and improving casting behavior. It also acts as a binder component in colloidal silica refractories and investment casting shells.
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Sodium Tripolyphosphate Ceramic Deflocculant
CAS: 7758-29-4
Sodium tripolyphosphate (STPP) is a classic inorganic deflocculant used in porcelain, sanitaryware, and whiteware slip casting. By adsorbing onto clay particle surfaces and increasing zeta potential, STPP reduces slip viscosity at minimal additions (0.1–0.5 wt%), enabling high solids-loading slips for efficient slip casting and glaze preparation.
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Starch Ceramic Binder
CAS: 9005-25-8
Pregelatinized and modified starches are cost-effective binders for traditional ceramic tile, sanitaryware, and refractory applications. Starch provides high green strength, good plasticity, and clean burnout in the 300–500 °C range. Modified dextrin and corn starch grades offer improved cold-water dispersibility and controlled viscosity for various forming processes.
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Talc Ceramic Additive for Cordierite
CAS: 14807-96-6
Talc (Mg3Si4O10(OH)2) is a key raw material for cordierite ceramics and a versatile fluxing and plasticizing agent in traditional ceramics. In cordierite synthesis, stoichiometric blends of talc, kaolin, and alumina yield the 2MgO·2Al2O3·5SiO2 phase with very low thermal expansion coefficient (CTE ~1.5×10-6/°C), ideal for kiln furniture, catalyst substrates, and diesel particulate filters.
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Titanium Dioxide Ceramic Densification Aid
CAS: 13463-67-7
High-purity titanium dioxide (TiO2, anatase or rutile) is used as a sintering and densification aid in alumina, barium titanate, and electronic ceramics. In alumina, 0.05–0.3 wt% TiO2 promotes liquid-phase sintering and enhances grain boundary diffusion, lowering the densification temperature and improving ionic conductivity. In BaTiO3 systems it acts as a stoichiometry corrector.
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Titanium Dioxide for Dielectric Ceramics
CAS: 13463-67-7
High-purity rutile titanium dioxide (TiO2) is the titanium source for barium titanate (BaTiO3) MLCC dielectrics, titanate-based microwave ceramics, and piezoelectric materials. The rutile phase is preferred over anatase for solid-state ceramic synthesis due to its higher density and reactivity with BaCO3 at calcination temperatures. Precise particle size control is critical for MLCC manufacturing.
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Triethanolamine Alumina Dispersant
CAS: 102-71-6
Triethanolamine (TEA) is an amino alcohol used as a surface modifier and dispersant for alumina powders in non-aqueous ceramic processing systems. Its amine and hydroxyl groups adsorb onto alumina surfaces, reducing inter-particle friction and improving flow in hot-press and injection molding compounds. TEA also acts as a pH buffer in aqueous alumina slips.
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Vanadium-Zircon Blue Ceramic Pigment
CAS: 68611-31-4
Vanadium-doped zircon blue (V-ZrSiO4) is a premium inorganic blue ceramic pigment providing a pure blue hue in ceramic glazes and inks, alternative to the deeper cobalt blue. The V4+ ion hosted in the ZrSiO4 matrix delivers a bright blue color with excellent stability above 1200 °C and high resistance to acid and alkaline environments, making it ideal for digital ceramic printing applications.
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Yttria Sintering Aid for Si3N4 Ceramics
CAS: 1314-36-9
Yttrium oxide (Y2O3) is the primary sintering aid for silicon nitride (Si3N4) and sialon ceramics, typically used together with Al2O3 or MgO. Y2O3 reacts with the surface oxide layer on Si3N4 particles to form a liquid-phase oxynitride glass that facilitates densification at 1700–1800 °C. The resulting intergranular glass phase determines the high-temperature mechanical properties of the sintered body.
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