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SILICA MATTING AGENT

Silica Matting Agent is commonly incorporated into coil coatings, appliance coatings, and metal furniture finishes to improve wear resistance while maintaining attractive matte surfaces.
Silica Matting Agent is widely used in protective coatings for industrial equipment, pipelines, machinery, construction materials, and infrastructure components that require long-lasting decorative and protective finishes.
Silica Matting Agent is frequently added to leather finishing systems to create soft-touch, natural-looking surfaces while improving scratch resistance, abrasion resistance, and resistance to polishing during use.

CAS Number: 7631-86-9
EC Number: 231-545-4
Molecular Formula: SiO₂
Molecular Weight: 60.08 g/mol

SYNONYMS:
Silica Matting Agent, Synthetic Amorphous Silica, Silicon Dioxide, Silica, Precipitated Silica, Fumed Silica, Amorphous Silica, Silicon(IV) Oxide, Silicic Acid Anhydride, Synthetic Silica, Matting Silica, Microporous Silica, Porous Silica, SiO₂

Silica Matting Agent is an amorphous silica appearing as a white, free-flowing powder.
Silica Matting Agent is characterized by its high pore volume and narrow particle size distribution.
Silica Matting Agent has unique properties like excellent matt effect, high transparency, soft feeling, good anti-settling and anti-yellowing properties, which make it suitable for all kinds of matt coatings.

Silica Matting Agent delivers efficient gloss reduction with excellent transparency and smooth surface feel.
Designed for water-based, solvent-based, and high-solids coatings, Silica Matting Agent offers easy dispersion and consistent matting performance from satin to ultra-matte finishes.

Silica Matting Agent is an amorphous silica appearing as white, free-flowing powder.
Silica Matting Agent is featured by its high pore volume and narrow particle size distribution.
Silica Matting Agent has unique properties such as excellent matt effect, high transparency and soft feeling, good anti-settling and anti-yellowing properties, which makes it suitable for all kinds of matt coatings.

Silica Matting Agent-based matting agents were dispersed by a dissolver for approximately 10 minutes at a speed of 5 m/s.
This procedure is sufficient to incorporate the particles properly but without any damage to the fragile structures.
Too high shear forces will lead to degradation of the particles and matting efficiency will be reduced dramatically.

Silica Matting Agent is an amorphous superfine silica product.
Silica Matting Agent has the characteristics of good optical properties and adsorption properties of a porous structure.
Silica Matting Agent is specialized amorphous synthetic silica powders used to reduce gloss and provide a matte or semi-matte finish in paints, coatings, and plastics.

Silica Matting Agent works by scattering light as the coating shrinks during curing.
The performance of Silica Matting Agent relies on their specific porosity, pore volume, and narrow particle size distribution.
Factors in Matting Efficiency: Silica Matting Agent efficiency—meaning how little silica is required to achieve a deep matte finish—is directly affected by the additive's refractive index (which should closely match the coating resin), the average particle size (usually ranging from 2 μm to 20 μm), and its oil absorption capacity.

Silica Matting Agent is highly purified synthetic amorphous silicon dioxide materials specifically engineered to reduce gloss and create matte or satin surface finishes in coatings, paints, inks, varnishes, wood finishes, plastics, leather coatings, and printing applications.
Unlike crystalline silica, Silica Matting Agent possess an amorphous structure that provides excellent optical performance while offering significantly improved safety characteristics during normal industrial use.

The microscopic porous particles scatter reflected light from coated surfaces, thereby reducing surface gloss without significantly affecting transparency or film integrity.
Silica Matting Agent is widely recognized for their excellent chemical stability, high purity, outstanding compatibility with numerous resin systems, and excellent mechanical durability.

Silica Matting Agent can simultaneously improve scratch resistance, abrasion resistance, anti-blocking performance, slip characteristics, and coating durability while maintaining excellent optical appearance.
Because of their high porosity and carefully controlled particle size distribution, Silica Matting Agent provide precise gloss control over a wide range of coating formulations.

USES and APPLICATIONS of SILICA MATTING AGENT:
Silica Matting Agent is extensively used in architectural paints to produce elegant matte and eggshell finishes for interior and exterior walls while improving scratch resistance and reducing visible surface imperfections.
In marine and aerospace coatings, Silica Matting Agent contribute to durable low-reflectance finishes that maintain appearance under harsh environmental conditions.

In industrial wood coatings, Silica Matting Agent provides controlled gloss reduction for furniture, parquet flooring, kitchen cabinets, doors, decorative panels, and office furnishings while preserving the natural appearance of the wood grain.
Silica Matting Agent is widely employed in automotive refinish coatings, plastic trim coatings, and interior vehicle components where low-gloss surfaces reduce glare and provide a premium aesthetic appearance.

In UV-curable coatings for flooring, furniture, electronics, and packaging materials, Silica Matting Agent provides rapid-curing matte finishes with excellent mechanical durability and chemical resistance.
Silica Matting Agent is frequently added to leather finishing systems to create soft-touch, natural-looking surfaces while improving scratch resistance, abrasion resistance, and resistance to polishing during use.

Application of Silica Matting Agent: Wood paint, industry paint, ink.
Silica Matting Agent is used as a matting agent in lacquers, paints, varnishes, coatings, inks, waxes and other finishes to reduce gloss.
Silica Matting Agent offers exceptional performance when used in wood coatings, coil and general industrial coatings, and architectural coatings.

Silica Matting Agent is synthetically engineered and are exceptionally pure.
By controlling pore volume, particle size, and surface treatments, we have created a portfolio of Silica Matting Agent that offer exceptional performance across a broad range of applications.

Silica Matting Agent is used for Coatings and Inks.
HHC, as a new challenger in the silica matting agent field, use advanced production process in the industry: precipitation and gel method, to provide matting agents with stable quality and great physical and chemical parameters which can meet premium industrial application requirements.

Especially in surface treatment, the performance of Silica Matting Agent can reach high-level in worldwide and it is suitable for a wide range of industries.
Silica Matting Agent is suitable for use in wood and leather coatings, delivering exceptional matting efficiency and clarity in both waterborne and solvent-borne systems.
Coating manufacturers demand high-quality finishes that offer durability, aesthetic appeal, and consistency.

In wood and leather coatings, achieving the perfect balance between matting efficiency, smooth texture, and surface protection is crucial.
Silica Matting Agent is extensively utilized in flexographic, gravure, offset, and screen printing inks to control gloss, improve print appearance, and enhance resistance to rubbing and abrasion.

In paper coatings and packaging varnishes, Silica Matting Agent reduces unwanted reflections while improving print quality, readability, and the overall visual appearance of labels, cartons, and luxury packaging.
Silica Matting Agent is used in powder coatings to produce highly uniform matte finishes for architectural aluminum profiles, household appliances, office furniture, lighting fixtures, and metal construction products.

Silica Matting Agent is incorporated into textile coatings to provide decorative matte finishes, improve abrasion resistance, and enhance the durability of coated technical fabrics.
Silica Matting Agent is employed in electronic device coatings for laptops, smartphones, monitors, and consumer electronics to reduce glare, improve fingerprint resistance, and provide a premium tactile surface.

Silica Matting Agent is also used in specialty coatings for sporting goods, musical instruments, luxury consumer products, eyewear frames, helmets, bicycles, and decorative plastics where high-quality matte finishes and excellent durability are required.
Silica Matting Agent is increasingly incorporated into environmentally friendly waterborne coating systems and low-VOC formulations because they provide excellent gloss control without adversely affecting regulatory compliance or coating performance.

Silica Matting Agent is extensively incorporated into industrial wood coatings, where they provide precise gloss control while maintaining excellent transparency, scratch resistance, and chemical durability for furniture, flooring, cabinetry, and architectural wood finishes.
Silica Matting Agent is widely used in solvent-based, water-based, high-solid, and UV-curable coatings for automotive components, industrial equipment, agricultural machinery, and protective metal coatings requiring controlled matte or satin finishes.

Silica Matting Agent is frequently employed in decorative architectural paints to reduce surface gloss, improve hiding characteristics, and produce attractive low-reflectance finishes with enhanced durability.
Silica Matting Agent is commonly utilized in printing inks, overprint varnishes, and specialty graphic coatings where controlled surface appearance and abrasion resistance are required.

Silica Matting Agent serves as an effective anti-blocking additive in plastic films, packaging materials, laminates, synthetic leather coatings, and flexible substrates by reducing surface adhesion between adjacent coated layers.
Silica Matting Agent is widely incorporated into leather finishing systems, textile coatings, paper coatings, powder coatings, coil coatings, and can coatings where consistent gloss reduction and excellent wear resistance are important performance requirements.

Silica Matting Agent is also used in electronic coatings, appliance finishes, marine coatings, aerospace coatings, industrial maintenance coatings, and numerous specialty formulations requiring durable matte surface finishes.
Because of their excellent compatibility with acrylic, polyurethane, epoxy, polyester, alkyd, nitrocellulose, and other resin systems, Silica Matting Agent offers exceptional formulation flexibility for modern coating technologies.

KEY TYPES AND USES of SILICA MATTING AGENT:
Silica Matting Agent is highly valued for maintaining transparency while removing unwanted shine, and are categorized mainly by how they are manufactured and treated:

Wax-Treated Silica:
Silica Matting Agent is frequently used in wood coatings, clears, and varnishes (like catalyzed varnishes) to prevent the particles from settling and to improve scratch resistance.

Porous Silica Gel:
Features high pore volume and rigidity, allowing Silica Matting Agent to withstand the strong shear forces encountered during manufacturing.
Silica Matting Agent is ideal for coil coatings and premium industrial wood finishes.

Ultra-fine Precipitated Silica:
Silica Matting Agent provides a very smooth haptic feel and is heavily utilized in thin coating films, flexible food packaging, and inks.

Common Product Ranges and Sourcing
Different manufacturers supply various grades depending on the coating thickness and specific application:

CHEMICAL PROPERTIES of SILICA MATTING AGENT:
Silica Matting Agent consist of synthetic amorphous silicon dioxide possessing a highly porous internal structure and an extremely large specific surface area.
The porous particle morphology effectively scatters incident light, reducing reflected light intensity and producing matte or low-gloss surface finishes.
Silica Matting Agent is chemically inert toward most coating resins, solvents, pigments, additives, and curing agents used in industrial coating systems.

Because of its amorphous structure, Silica Matting Agent exhibits significantly different toxicological behavior compared with crystalline silica and is generally considered much safer for industrial applications when handled appropriately.
Silica Matting Agent remain chemically stable under acidic, neutral, and mildly alkaline conditions and resist degradation under prolonged ultraviolet exposure.
Silica Matting Agent possesses high thermal stability and retains its physical characteristics throughout typical coating manufacturing and curing temperatures.

PRIMARY FUNCTION of SILICA MATTING AGENT:
*Matting Agent,
*Anti-blocking Agent,
*Rheology Modifier,
*Thickener

ADVANTAGES of SILICA MATTING AGENT:
Provide rich particle size selection to meet the needs of different paint film effects.
The refractive index is similar to most coating resins, enhancing compatibility.
Reduce the dependence on anti-settling agent, with efficient light retention performance.
Balanced matt effect and smooth surface effect.
Excellent dispersion and anti-stick property.
Delicate and strong scratch resistance, reduce the phenomenon of flaring.
Suitable for water-based and solvent-based coatings.

BENEFITS of SILICA MATTING AGENT:
Silica Matting Agent enables manufacturers to precisely control coating gloss without significantly compromising transparency or color intensity.
Silica Matting Agent's excellent light-scattering efficiency produces aesthetically pleasing matte finishes while maintaining smooth and uniform surface appearance.

Silica Matting Agent is improved scratch and abrasion resistance increases the service life of coated products exposed to frequent handling, cleaning, or mechanical wear.
Silica Matting Agent reduces surface blocking, allowing coated parts to be stacked, packaged, and transported with a lower risk of surface damage or adhesion.
Enhanced slip properties improve handling characteristics and reduce friction between coated surfaces during manufacturing and end use.

Silica Matting Agent contribute to better fingerprint resistance by minimizing visible smudges and reducing light reflection from touched surfaces.
Silica Matting Agent's excellent UV and weather resistance helps maintain the original appearance of outdoor coatings over extended exposure to sunlight and environmental conditions.

Because Silica Matting Agent is chemically stable, it provide long shelf life and consistent performance throughout the storage period of finished coating formulations.
Silica Matting Agent helps formulators develop premium decorative finishes with improved tactile feel, uniform texture, and high-quality visual appearance.
The availability of different particle sizes and pore structures allows formulators to optimize gloss, transparency, durability, and application properties for specific performance requirements.

FUNCTION OF SILICA MATTING AGENT:
Silica Matting Agent serves to reduce the gloss of paint films, providing a matting (flatting) effect.
Silica Matting Agent is widely used in paints and coatings.
As a type of protective finish, incorporating a matting agent into a paint formulation reduces the gloss of high-gloss surfaces, progressively lowering the surface sheen to achieve the desired dull finish.

Additionally, Silica Matting Agent can enhance scratch and abrasion resistance, provide some deodorizing and moisture-absorbing effects, offer water resistance and thermal insulation, and increase paint transparency.
The primary purpose of a silica matting agent is to alter the surface roughness, thereby reducing surface gloss.
Common Silica Matting Agent include ultra-fine silica (precipitated silica), talc, aluminum stearate, calcium stearate, and low molecular weight thermoplastic resins.

CHARACTERISTICS of SILICA MATTING AGENT:
Silica Matting Agent provides highly efficient gloss reduction.
Silica Matting Agent exhibits excellent optical clarity in transparent coatings.
The porous particle structure provides outstanding light scattering.

Silica Matting Agent contributes to excellent scratch resistance.
Silica Matting Agent improves the abrasion resistance of cured coatings.
Silica Matting Agent enhances anti-blocking performance.

Silica Matting Agent provides controlled surface roughness.
Silica Matting Agent exhibits excellent compatibility with solvent-based, water-based, and UV-curable coating systems.
Silica Matting Agent demonstrates excellent thermal and UV stability.

Silica Matting Agent is chemically inert under normal processing conditions.
Silica Matting Agent offers excellent storage stability.

Silica Matting Agent maintains consistent particle size distribution.
Silica Matting Agent exhibits low oil absorption variability.
Silica Matting Agent contributes to improved slip characteristics.

BENEFITS of SILICA MATTING AGENT:
Silica Matting Agent effectively reduces surface gloss while preserving coating appearance.
Silica Matting Agent enables precise gloss adjustment from satin to deep matte finishes.
Silica Matting Agent improves scratch resistance and enhances coating durability during service.

Silica Matting Agent enhances abrasion resistance and extends coating lifetime.
Excellent transparency allows use in clear coatings without significant haze when properly formulated.
Silica Matting Agent improves anti-blocking properties of coated films.

Silica Matting Agent's chemical inertness minimizes interactions with formulation ingredients.
High thermal stability enables use in baking and high-temperature curing systems.
Excellent UV resistance contributes to long-term outdoor durability.

Broad compatibility simplifies formulation development for numerous resin technologies.
Silica Matting Agent supports consistent surface appearance throughout large production batches.
Controlled particle morphology provides reproducible gloss performance.

ADDITIONAL TECHNICAL INFORMATION of SILICA MATTING AGENT:
Silica Matting Agent functions primarily through controlled light scattering generated by their carefully engineered porous particle morphology and particle size distribution.
The degree of gloss reduction depends upon particle size, pore volume, specific surface area, dispersion quality, coating thickness, resin refractive index, and curing conditions.
Modern Silica Matting Agent is manufactured using precipitation, gel formation, or pyrogenic (fumed silica) processes, allowing precise control of porosity and optical performance.

Surface-treated silica grades are available to improve dispersion, reduce viscosity increase, enhance compatibility with specific resin systems, and improve scratch resistance.
The combination of excellent optical properties, chemical inertness, mechanical reinforcement, and broad formulation compatibility has made Silica Matting Agent one of the most widely used technologies for controlling gloss in industrial coatings and printing applications.

HOW TO CHOOSE THE RIGHT SILICA MATTING AGENT?
In high-end applications such as furniture coatings, printing inks, and food packaging films, a refined matte finish has become a decisive factor in elevating product value and brand perception.
Yet many manufacturers share the same frustration: conventional matting agents often deliver uneven matting, leave a gritty surface feel, or even cause whitening and loss of transparency—ultimately undermining product quality and market acceptance.
Thanks to Silica Matting Agent's amorphous, porous microstructure, silica-based matting agents have emerged as the preferred solution for premium matte requirements.
As a company dedicated to advanced material innovation, SIOResin in China introduces two self-developed, high-performance Silica Matting Agent H-2625 and H-2593 (HS Code: 2811229000).
Both deliver uniform matte effects while preserving surface smoothness and optical clarity.

CHARACTERISTICS of SILICA MATTING AGENT:
Silica Matting Agent possess a highly porous microstructure that efficiently scatters incident light, producing uniform matte and low-gloss finishes without significantly affecting coating transparency.
Silica Matting Agent's carefully controlled particle size distribution allows formulators to achieve precise gloss levels ranging from satin to ultra-matte while maintaining consistent surface appearance.

Silica Matting Agent exhibits excellent compatibility with a wide variety of organic binders, including acrylic, polyurethane, epoxy, polyester, alkyd, nitrocellulose, and UV-curable resin systems.
Silica Matting Agent provides excellent suspension stability when properly dispersed and contributes to improved coating rheology without excessively increasing formulation viscosity.

Silica Matting Agent's high hardness enhances the mechanical durability of coatings by improving resistance to scratching, abrasion, polishing, and everyday wear.
Silica Matting Agent maintains excellent thermal and chemical stability throughout manufacturing, storage, and curing processes, ensuring long-term formulation reliability.

Because they are chemically inert, Silica Matting Agent do not interfere with most pigments, curing agents, catalysts, solvents, or specialty additives commonly used in coating formulations.
Surface-treated grades are available to improve dispersibility, reduce viscosity increase, enhance compatibility with low-polarity resin systems, and minimize settling during storage.

PHYSICAL and CHEMICAL PROPERTIES of SILICA MATTING AGENT:
Appearance: Fine white powder
Color: White
Odor: Odorless
Physical State: Solid powder
Chemical Formula: SiO₂
Molecular Weight: 60.08 g/mol
Chemical Structure: Amorphous silicon dioxide
Particle Shape: Irregular porous particles
Surface Area (BET): Typically 200–800 m²/g (grade dependent)

Average Particle Size: Typically 3–15 µm (grade dependent)
Porosity: High
Bulk Density: Approximately 30–250 g/L
Tapped Density: Approximately 60–350 g/L
True Density: Approximately 2.0–2.3 g/cm³
Moisture Content: Typically below 7%
Oil Absorption: High
Refractive Index: Approximately 1.46

Hardness (Mohs): Approximately 6–7
pH (5% aqueous suspension): Approximately 6–8
Water Solubility: Insoluble
Solubility in Organic Solvents: Insoluble
Melting Point: Approximately 1,710°C
Boiling Point: Approximately 2,230°C
Thermal Stability: Excellent

Flash Point: Not applicable
Autoignition Temperature: Not applicable
Flammability: Non-flammable
Explosion Hazard: Not explosive
Oxidizing Properties: None
Vapor Pressure: Negligible
Volatility: None
Hygroscopicity: Slightly hygroscopic
Chemical Stability: Excellent under normal conditions
UV Stability: Excellent

Weather Resistance: Excellent
Hydrolytic Stability: Excellent
Abrasion Resistance: Excellent
Scratch Resistance Contribution: High
Transparency: High in optimized formulations
Light Scattering Efficiency: Excellent
Gloss Reduction Efficiency: Excellent
Dispersibility: Excellent after proper dispersion
Sedimentation Resistance: Good when properly formulated
Product Name: Silica Matting Agent

Chemical Name: Amorphous Silicon Dioxide
Chemical Type: Inorganic Mineral
Chemical Family: Synthetic Amorphous Silica
IUPAC Name: Silicon Dioxide
CAS No.: 7631-86-9
EC No.: 231-545-4
Molecular Formula: SiO₂
Molecular Weight: 60.08 g/mol
Physical Form: White Powder
Chemical Classification: Synthetic Amorphous Silica

FIRST AID MEASURES of SILICA MATTING AGENT:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of SILICA MATTING AGENT:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of SILICA MATTING AGENT:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of SILICA MATTING AGENT:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of SILICA MATTING AGENT:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of SILICA MATTING AGENT:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available