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E555 Potassium aluminium silicate is refined and ground to particles of ≤150 μm.
E555 Potassium aluminium silicate imparts a natural translucence when used up to 20% in formulations of face powder blushes.
E555 Potassium aluminium silicate is available as wet ground (creamy) or as dry ground (matte).
CAS Number: 12001-26-2
Molecular Formula: Al2K2O6Si
Molecular Weight: 256.24
EINECS Number: 601-648-2
Synonyms: Decalso, Zeolex, Decalso F, Alusil ET, Vulkasil A 1, Zeolex 23A, Zeolex 23P, Zeolex 25, Zeolex 35, Sodium silicoaluminate, Zeolex 100, Sasil, Type A Zeolite, Amsr 3, Degussa P820, Valfor zeolite Na-a, 058TS43PSM, Alusil SD533, Zeolex 330, Silicic acid, aluminum sodium salt, Aluminium sodium silicate, Aluminum silicon sodium oxide, Aluminosilicic acid, sodium salt, NCI-C55505, E554, RefChem:183771, DTXCID606021, INS NO.554, INS-554, E-554, 215-684-8, 1344-00-9, Aluminum sodium silicate, DTXSID7026021, Sodium aluminosilicate, Zeolite-A, Ukatan PRE, Oveil AR, Sipernat 44MS, Zeolex 7A, UOP T-Powder, Tixolex 17, Sipernat 820, Sipernat 820A, Zeolex 80, FIXWOOL, Ketjensil SM 405, Silton AL 08, Silton AMT 20S, Silton AMT 30, Silton FI 85, ZEOflair 100, ZEOflair 200, ZEOflair 300, Pirosil AS 100A, Zeolex 123, Zeolex 201, Zeolex 301, Tixolex 4271, ALUMI-SIL, ALUSIL AS, CLARFINA C, Huber 683, GEOPOLYMITE PS 2, HYDREX (SILICATE), KOVASAV N 20P, TIXOLEX 25, TIXOLEX 28, ZEOLEX 17S, ZEOLEX 35P, ZEOLEX 23, DIACHEM WHITE CARBON, PASILEX P 820, CENAS 019F, UNII-058TS43PSM, VALFOR 950, ZEOLEX 323, SILTEG P 820, AMT 20S, Sodium aluminosillicate slurry, CCRIS 3869, SODIUM ALUMINATE SILICATE, HSDB 5027, JYIMWRSJCRRYNK-UHFFFAOYSA-N, Aluminium sodium silicate [WHO-DD], EINECS 215-684-8, SODIUM ALUMINOSILICATE [FCC], SODIUM ALUMINOSILICATE [HSDB], AKOS040744769, MZ 8132, ALUMINIUM SODIUM SILICATE [MART.], SP 4-7936, E 554, P 820, EC 215-684-8, 23P, POTASSIUM MICA;MuscovitepotassiumMICA;MICA,WATERGROUND;MUSCOVITEMICA;C.I. 77019;Mica;Muscovite potassium;Silicate mica
E555 Potassium aluminium silicate, also known as natural mica, is an approved food additive used primarily as an anti-caking agent, release agent, and pearlescent pigment carrier.
It prevents powders from clumping and creates a shimmering effect in decorative coatings for confectionery and baked goods.
E555 Potassium aluminium silicate is the European designation for potassium aluminium silicate, an inorganic mineral belonging to the silicate group.
E555 Potassium aluminium silicate is approved as a food additive and classified as an anti-caking agent and release agent.
The substance occurs naturally in various minerals and is either sourced from natural deposits or synthetically produced for use in food applications.
E555 Potassium aluminium silicate is an inorganic aluminosilicate compound composed of potassium, aluminium, silicon, and oxygen, commonly related to naturally occurring mica-like or feldspar-type mineral structures, and it is mainly used as an anticaking agent, carrier material, and flow-improving additive in food, cosmetic, pharmaceutical, and industrial applications because it helps keep powders dry, separated, and stable by reducing moisture-related clumping and improving particle flow behavior.
E555 Potassium aluminium silicates layered or framework mineral structure gives it high physical stability and low chemical reactivity.
E555 Potassium aluminium silicate improves powder handling and storage stability.
E555 Potassium aluminium silicate consists of a stable aluminosilicate lattice, where aluminium and silicon atoms are linked through oxygen bridges to form a rigid mineral framework containing potassium ions that help stabilize the structure.
This arrangement gives the compound low solubility, chemical inertness, and resistance to breakdown under normal conditions.
E555 Potassium aluminium silicate improves thermal and chemical stability.
E555 Potassium aluminium silicate appears as a fine white to off-white powder or flaky mineral material, depending on the processing method and mineral form, and it has low moisture absorption compared with more porous silicates but still helps improve powder separation and reduce particle adhesion.
Its smooth, plate-like particle structure can also improve lubrication and flow in powder systems.
E555 Potassium aluminium silicate improves flowability and texture control.
E555 Potassium aluminium silicate functions mainly as an anticaking and anti-clumping additive, where it prevents powdered products from compacting during storage and transport by physically separating particles and reducing friction between them, especially in dry formulations exposed to pressure or humidity fluctuations.
It works mainly through physical stabilization rather than chemical reaction.
E555 Potassium aluminium silicate improves usability and shelf-life performance.
E555 Potassium aluminium silicate is best described as a stable mineral-based aluminosilicate additive used to improve powder flow, reduce clumping, and stabilize dry formulations in food, cosmetic, pharmaceutical, and industrial systems due to its inert structure and physical particle-separation properties.
E555 Potassium aluminium silicate is also used in advanced powder flow engineering, where its plate-like or layered particle structure helps reduce inter-particle friction, allowing powders to move more smoothly through processing equipment such as mixers, screw feeders, and pneumatic transport systems, especially in industries dealing with very fine or cohesive powders.
E555 Potassium aluminium silicate makes it valuable for preventing flow interruptions caused by static buildup or compaction.
This improves process stability and continuous production efficiency.
In high-humidity logistics and storage systems, E555 Potassium aluminium silicate helps maintain the physical integrity of dry products during long-term warehousing, where moisture changes can cause powders to compact or form hard lumps that are difficult to break apart later in production.
Its stabilizing effect reduces product loss and reprocessing needs.
E555 Potassium aluminium silicate improves storage reliability and supply chain efficiency.
E555 Potassium aluminium silicate contributes to improved sensory performance by enhancing slip and spreadability in powder-based products, while also helping to maintain a smooth, non-caking texture in environments with fluctuating humidity, such as bathrooms or retail storage conditions.
It also helps maintain product uniformity over time.
E555 Potassium aluminium silicate improves cosmetic stability and user experience.
E555 Potassium aluminium silicate is used to improve blend uniformity of active pharmaceutical ingredients with excipients, ensuring that fine drug powders distribute evenly during mixing and remain stable before compression or encapsulation.
This is critical for maintaining consistent dosage strength in final products.
E555 Potassium aluminium silicate improves drug quality consistency and manufacturing precision.
E555 Potassium aluminium silicate can help stabilize pigment dispersion by reducing settling and improving suspension behavior, which contributes to more uniform color distribution and improved surface finish in paints and coating formulations.
Its mineral stability helps maintain long-term formulation consistency.
E555 Potassium aluminium silicate improves coating quality and visual performance.
E555 Potassium aluminium silicate is used as a mineral filler that can improve stiffness, dimensional stability, and heat resistance of molded plastic products while also enhancing processing behavior during extrusion and shaping.
It can also reduce material cost in certain formulations.
E555 Potassium aluminium silicate improves mechanical performance and manufacturing efficiency.
Density: 2.77 g/cm3
refractive index: 1.55–1.61
RTECS: VV876000
form: Light gray to dark-colored flakes or particles
Odor: at 100.00%. odorless
Water Solubility: Insoluble in water.
Dielectric constant: 2.6–3.2 (0.0℃)
Cosmetics Ingredients Functions: ANTICAKING; BULKING; COLORANT; OPACIFYING
E555 Potassium aluminium silicate a member of an important group of aluminosilicate minerals that have a characteristic layered structure.
The three main types are biotite, lepidolite, and muscovite, which differ in their content of other elements (such as potassium, magnesium, and iron).
E555 Potassium aluminium silicate flakes are used as electrical insulators, dielectrics, and small heat-proof windows.
E555 Potassium aluminium silicate is widely used in industrial powder processing systems, where its layered mineral structure helps reduce friction and improve movement of powders through automated production equipment such as hoppers, conveyors, and filling systems, especially in industries that handle very fine or static-prone particles.
Its physical stability helps maintain consistent processing behavior under changing environmental conditions.
E555 Potassium aluminium silicate improves manufacturing efficiency and process reliability.
In food applications (where permitted by regulations), it is used in powdered products to maintain free-flowing texture and prevent moisture-driven clumping during storage, transport, and consumer use, particularly in products stored for long periods or exposed to variable humidity.
E555 Potassium aluminium silicates inert nature helps preserve product characteristics without significantly interacting with ingredients.
E555 Potassium aluminium silicate improves product quality and shelf stability.
E555 Potassium aluminium silicate can be used as a carrier and flow aid in dry powder systems to improve handling during tablet and capsule production, ensuring more uniform movement of powders and reducing sticking or compaction inside manufacturing equipment.
This supports precise dosing and efficient production.
E555 Potassium aluminium silicate improves manufacturing consistency and dosage control.
E555 Potassium aluminium silicate is often associated with mica-like mineral materials used to improve texture, spreadability, and visual effects in powders, foundations, eye shadows, and skincare products.
Its reflective and smooth particle properties help create a silky feel and enhance product appearance.
E555 Potassium aluminium silicate improves cosmetic texture and aesthetic quality.
In paint, coatings, and plastics industries, E555 Potassium aluminium silicate is used as a mineral filler and stabilizer to improve mechanical strength, thermal resistance, and surface properties of materials while reducing shrinkage and improving processing behavior during manufacturing.
Its stable mineral structure contributes to long-term durability.
E555 Potassium aluminium silicate improves material performance and industrial efficiency.
In ceramics and refractory materials, aluminosilicate compounds such as E555 Potassium aluminium silicate contribute to thermal resistance and structural integrity during high-temperature processing, making them valuable in engineered mineral systems designed to withstand heat and mechanical stress.
Their mineral framework remains stable under elevated temperatures.
E555 Potassium aluminium silicate improves heat resistance and structural durability.
In surface chemistry and mineralogy research, E555 Potassium aluminium silicate is studied for its layered crystal behavior, ion interactions, and physical properties, which are relevant for understanding adsorption, lubrication, and mineral transformation processes in natural and industrial systems.
Its structure provides insight into aluminosilicate mineral chemistry.
E555 Potassium aluminium silicate improves scientific understanding of mineral materials.
E555 Potassium aluminium silicate helps reduce powder caking and improve flow consistency during long-distance transport, especially in products sensitive to compaction or humidity changes.
This reduces material losses and handling difficulties after storage.
E555 Potassium aluminium silicate improves logistics reliability and product preservation.
In environmental and materials engineering studies, E555 Potassium aluminium silicate like potassium aluminium silicate are explored for their stability, adsorption behavior, and possible use in filtration or contaminant stabilization systems due to their chemically inert and structurally robust frameworks.
This supports development of advanced mineral-based technologies.
E555 Potassium aluminium silicate improves environmental engineering and material science applications.
In high-speed automated manufacturing, E555 Potassium aluminium silicate helps maintain smooth operation by minimizing powder buildup and friction-related flow interruptions inside machinery, which reduces downtime and cleaning frequency in large-scale production environments.
This is especially important for fine powder processing industries.
E555 Potassium aluminium silicate improves operational continuity and equipment performance.
E555 Potassium aluminium silicate contributes to thermal stability and structural integrity during high-temperature firing processes, helping reduce cracking and shrinkage in finished ceramic materials such as tiles, insulators, and heat-resistant components.
Its aluminosilicate structure remains stable under heat stress.
E555 Potassium aluminium silicate improves durability and thermal resistance.
E555 Potassium aluminium silicate is studied for its adsorption and ion-interaction properties, especially in systems designed to capture or immobilize unwanted substances using stable mineral frameworks that do not degrade easily under environmental conditions.
This makes it useful in developing long-life filtration and stabilization materials.
E555 Potassium aluminium silicate improves environmental remediation research and material design.
In packaging technology optimization, E555 Potassium aluminium silicate is used to improve long-term powder stability by reducing moisture-related degradation inside sealed packaging systems, which is particularly important for export products exposed to different climate zones.
This reduces the need for frequent product reconditioning or repackaging.
E555 Potassium aluminium silicate improves packaging efficiency and product longevity.
E555 Potassium aluminium silicate is studied as part of feldspar- and mica-related mineral systems to understand how aluminosilicate structures form, transform, and behave under varying temperature and pressure conditions within the Earth’s crust.
These studies help interpret rock formation and metamorphic processes.
E555 Potassium aluminium silicate improves geological understanding and mineral classification.
Uses Of E555 Potassium aluminium silicate:
E555 Potassium aluminium silicate is a generic term that applies to a wide range of hydrous aluminum silicate minerals characterized by sheet or plant-like structure, and possessing to varying degrees, depending on composition and weathering, flexibility, elasticity, hardness, and the ability to be split into thin (1 μm) sheets.
E555 Potassium aluminium silicate is used as a texturizer and coloring agent in cosmetics, it provides a “glimmer” or “shimmering” quality in makeup powders.
E555 Potassium aluminium silicate is the group name for a series of ground silicate minerals with similar physical properties but varied chemical composition.
E555 Potassium aluminium silicate range in color from colorless to pale green, brown, or black.
E555 Potassium aluminium silicate is of two main types: sheet,and scrap or flake.
Sheet muscovite is used asa dielectric in capacitors and vacuum tubes inelectronic equipment.
Lower-quality muscoviteis used as an insulator in home electrical productssuch as hot plates, toasters, and irons.
Scrap and flake E555 Potassium aluminium silicate is ground for use in coatingson roofing materials and waterproof fabrics,and in paint, wallpaper, joint cement, plastics,cosmetics, well-drilling products, and avariety of agricultural products.
For many years, glass-bonded mica hasbeen used in every type of electrical and electronicsystem where the insulation requirementsare preferably low-dissipation factor at high frequencies,a high-insulation resistance anddielectric-breakdown strength, along withextreme dimensional stability.
Glass-bondedmicas are made in both machinable grades andprecision-moldable grades.
Basically, the materialconsists of natural mica flake bonded witha low-loss electrical glass.
The availability of synthetic mica resultedin the development of so-called ceramoplastics,consisting of high-temperature electricalglass filled with synthetic mica.
E555 Potassium aluminium silicate an increase in the electrical characteristicsover those of natural mica, and, inaddition, are more easily molded and havegreater thermal stability.
E555 Potassium aluminium silicate is mainly used as an anticaking agent, flow improver, and carrier material because it helps keep powders dry, separated, and free-flowing by reducing friction and preventing particle adhesion.
E555 Potassium aluminium silicate is used to prevent clumping and maintain smooth flow.
This improves product quality and storage stability.
In pharmaceutical formulations, it is used as a flow aid and carrier in dry powder systems.
E555 Potassium aluminium silicate improves manufacturing accuracy and dosage consistency.
In cosmetics, it is used to improve texture, spreadability, and visual appearance in powder products.
E555 Potassium aluminium silicate improves cosmetic performance and sensory quality.
E555 Potassium aluminium silicate is used to improve handling and flow during storage, transport, and packaging.
E555 Potassium aluminium silicate improves manufacturing efficiency.
In plastics, coatings, and ceramics, it is used as a mineral filler and stabilizer.
E555 Potassium aluminium silicate improves strength, thermal resistance, and durability.
E555 Potassium aluminium silicate is mainly used as a flow aid, anticaking agent, and mineral stabilizer because it helps powders remain dry, separated, and free-flowing by reducing friction and preventing particle adhesion.
In food powders (where permitted), it is used to prevent clumping and improve flow.
This improves product quality and shelf stability.
In pharmaceuticals, it is used as a carrier and flow improver in powder formulations.
E555 Potassium aluminium silicate improves dosage accuracy and manufacturing consistency.
In cosmetics, it is used to improve texture, spreadability, and stability in powder products.
E555 Potassium aluminium silicate improves application quality and product feel.
E555 Potassium aluminium silicate is used to improve handling and flow during processing and transport.
This improves manufacturing efficiency and reduces blockages.
In plastics, coatings, and ceramics, it is used as a mineral filler to improve strength and stability.
E555 Potassium aluminium silicate improves material durability and performance.
E555 Potassium aluminium silicate is mainly used as a flow control agent, anticaking additive, and mineral stabilizer because it helps powdered materials stay dry, free-flowing, and separated by reducing friction between particles and limiting moisture-related clumping during storage and processing.
In food powders (where permitted), E555 Potassium aluminium silicate is used to prevent clumping in products like salt, spices, baking mixes, and powdered drink formulations.
This improves product consistency and shelf stability.
In pharmaceutical powders and supplements, it is used as a carrier and flow aid to improve mixing uniformity and ensure smooth processing during tablet and capsule production.
E555 Potassium aluminium silicate improves dosing accuracy and manufacturing reliability.
In cosmetics, it is used in powder-based products such as face powders and makeup formulations to improve texture, spreadability, and resistance to caking.
E555 Potassium aluminium silicate improves application quality and product performance.
E555 Potassium aluminium silicate is used to improve flow through hoppers, silos, and packaging systems by reducing particle sticking and moisture-related blockages.
This improves production efficiency and handling stability.
In plastics, coatings, and ceramics, it is used as a mineral filler and stabilizer to improve mechanical strength, processing behavior, and thermal resistance.
E555 Potassium aluminium silicate improves material durability and performance.
Safety Profile Of E555 Potassium aluminium silicate:
E555 Potassium aluminium silicate is generally considered a low-to-moderate hazard substance, mainly because it is chemically inert and stable under normal conditions, although fine particulate exposure can still create physical irritation risks.
The primary hazard is inhalation of fine mineral dust, which may irritate the respiratory system during industrial handling or processing where airborne particles are generated.
Long-term dust exposure should be minimized through ventilation and protective equipment.
E555 Potassium aluminium silicate requires occupational safety measures.
Skin contact is generally low risk, although prolonged exposure may cause mild dryness or irritation due to the abrasive nature of fine mineral particles rather than chemical toxicity.
Washing with water is usually sufficient.
Eye contact may cause mechanical irritation, since fine particles can irritate sensitive eye tissue even though the material is not chemically corrosive.
Protective eyewear is recommended in industrial settings.
E555 Potassium aluminium silicate is not flammable, not reactive, and does not release hazardous decomposition products under normal storage conditions.
This improves storage and transport safety.
From a toxicological perspective, aluminium-containing additives are regulated to ensure safe intake limits, and E555 is considered safe within approved use levels.
This requires compliance with food and industrial safety regulations.
From an environmental perspective, potassium aluminium silicate is considered low risk, as it is a stable mineral-like substance that does not readily dissolve or bioaccumulate, although large particulate releases should still be controlled.
This improves environmental management and air quality protection.
