Feature
Nano high-surface; thixotropy, reinforcement, anti-settling; transparent, heat-resistant, dispersible.What it is
Fumed silica is produced by high-temperature flame hydrolysis of silicon tetrachloride or methyltrichlorosilane. It forms nano-scale primary particles (7–40 nm) that fuse into branched aggregates, delivering an extremely high specific surface area that ordinary precipitated silica cannot match.
Core selling points
1. Ultra-high specific surface area
50–400 m²/g available. A little goes a long way — typical dosage in coatings, adhesives and elastomers is only 1–5%, yet it delivers strong rheology and reinforcement.
2. Ultra-high purity
SiO₂ ≥ 99.8%. Virtually water-free, essentially non-porous, low in ionic impurities. Ideal for demanding electronics, battery and medical applications.
3. True thixotropy and flow control
The hydrogen-bonded silica network builds structure at rest and breaks under shear. Result: no sagging, no dripping, no pigment settling — yet the product still spreads, sprays or pumps easily. The go-to rheology modifier for coatings, inks, adhesives, sealants and resins.
4. The key reinforcement for silicone rubber
Fumed silica is the standard reinforcing filler for high-temperature vulcanized (HTV) silicone rubber and liquid silicone rubber (LSR). Without it, silicone rubber is weak and soft. It raises tensile strength, tear strength and elasticity while maintaining flexibility.
5. Hydrophilic and hydrophobic grades
- Surface-treated (hydrophobic)— with dimethylsiloxy, polymethylsiloxane or organosilane groups. Better dispersion in non-polar systems, higher moisture resistance, anti-blocking and anti-settling in sealants and battery slurries.
6. Transparent-friendly
Particle size far below visible light wavelength. In clear coatings, clear silicone gels and transparent polymers, it reinforces and thickens without clouding the system.
7. High whiteness and thermal stability
Whiteness ≥ 97%. Stable to over 1000 °C — does not decompose, release volatiles or char. Suitable for high-temperature processes and flame-retardant formulations.
8. Free-flow and anti-caking
A small amount turns sticky or compacted powders (dry chemicals, food powders, toner, powder coatings) into free-flowing, non-caking materials.
9. Fast-growing battery use
Used as a coating material on lithium-battery separator membranes. Improves thermal stability, prevents shrinkage at high temperature, and enhances cell safety.
10. Fully customizable
Surface area (100 / 150 / 200 / 300 / 380 m²/g), surface chemistry (hydrophilic / hydrophobic / specialty groups), bulk density and particle size all configurable to your formulation.
Typical applications
- Silicone rubber (HTV / LSR), silicone seals and keypads
- Architectural and industrial coatings, automotive refinish, printing inks
- Structural adhesives, sealants and potting compounds
- Epoxy, polyester and vinyl ester resins — thixotropic casting and laminating
- Cosmetics (serums, sunscreens, powders) for texture and oil control
- Lithium-battery separator coating
- Powder flow aid and anti-caking agent
Why choose us
Stable surface-area distribution, low grit and low black specks, consistent thickening efficiency batch to batch. Free samples with technical data sheet and formulation support for your specific system.
Fumed Silica
Silica Fumed Liquid Test
Fumed Silica
Fumed Silica
Fumed Silica
Fumed Silica
Fumed Silica
Fumed Silica
Fumed Silica
Fumed Silica
**What it is**
Fumed silica is produced by high-temperature flame hydrolysis of silicon tetrachloride or methyltrichlorosilane. It forms nano-scale primary particles (7–40 nm) that fuse into branched aggregates, delivering an extremely high specific surface area that ordinary precipitated silica cannot match.
**Core selling points**
1. **Ultra-high specific surface area**
50–400 m2/g available. A little goes a long way — typical dosage in coatings, adhesives and elastomers is only 1–5%, yet it delivers strong rheology and reinforcement.
2. **Ultra-high purity**
SiO? ≥ 99.8%. Virtually water-free, essentially non-porous, low in ionic impurities. Ideal for demanding electronics, battery and medical applications.
3. **True thixotropy and flow control**
The hydrogen-bonded silica network builds structure at rest and breaks under shear. Result: no sagging, no dripping, no pigment settling — yet the product still spreads, sprays or pumps easily. The go-to rheology modifier for coatings, inks, adhesives, sealants and resins.
4. **The key reinforcement for silicone rubber**
Fumed silica is the standard reinforcing filler for high-temperature vulcanized (HTV) silicone rubber and liquid silicone rubber (LSR). Without it, silicone rubber is weak and soft. It raises tensile strength, tear strength and elasticity while maintaining flexibility.
5. **Hydrophilic and hydrophobic grades**
- **Untreated (hydrophilic)** — universal grades for coatings, adhesives, unsaturated polyester, epoxy and general thickening.
- **Surface-treated (hydrophobic)** — with dimethylsiloxy, polymethylsiloxane or organosilane groups. Better dispersion in non-polar systems, higher moisture resistance, anti-blocking and anti-settling in sealants and battery slurries.
6. **Transparent-friendly**
Particle size far below visible light wavelength. In clear coatings, clear silicone gels and transparent polymers, it reinforces and thickens without clouding the system.
7. **High whiteness and thermal stability**
Whiteness ≥ 97%. Stable to over 1000 °C — does not decompose, release volatiles or char. Suitable for high-temperature processes and flame-retardant formulations.
8. **Free-flow and anti-caking**
A small amount turns sticky or compacted powders (dry chemicals, food powders, toner, powder coatings) into free-flowing, non-caking materials.
9. **Fast-growing battery use**
Used as a coating material on lithium-battery separator membranes. Improves thermal stability, prevents shrinkage at high temperature, and enhances cell safety.
10. **Fully customizable**
Surface area (100 / 150 / 200 / 300 / 380 m2/g), surface chemistry (hydrophilic / hydrophobic / specialty groups), bulk density and particle size all configurable to your formulation.
**Typical applications**
- Silicone rubber (HTV / LSR), silicone seals and keypads
- Architectural and industrial coatings, automotive refinish, printing inks
- Structural adhesives, sealants and potting compounds
- Epoxy, polyester and vinyl ester resins — thixotropic casting and laminating
- Cosmetics (serums, sunscreens, powders) for texture and oil control
- Lithium-battery separator coating
- Powder flow aid and anti-caking agent
**Why choose us**
Stable surface-area distribution, low grit and low black specks, consistent thickening efficiency batch to batch. Free samples with technical data sheet and formulation support for your specific system.
**What it is**
Fumed silica is produced by high-temperature flame hydrolysis of silicon tetrachloride or methyltrichlorosilane. It forms nano-scale primary particles (7–40 nm) that fuse into branched aggregates, delivering an extremely high specific surface area that ordinary precipitated silica cannot match.
**Core selling points**
1. **Ultra-high specific surface area**
50–400 m2/g available. A little goes a long way — typical dosage in coatings, adhesives and elastomers is only 1–5%, yet it delivers strong rheology and reinforcement.
2. **Ultra-high purity**
SiO? ≥ 99.8%. Virtually water-free, essentially non-porous, low in ionic impurities. Ideal for demanding electronics, battery and medical applications.
3. **True thixotropy and flow control**
The hydrogen-bonded silica network builds structure at rest and breaks under shear. Result: no sagging, no dripping, no pigment settling — yet the product still spreads, sprays or pumps easily. The go-to rheology modifier for coatings, inks, adhesives, sealants and resins.
4. **The key reinforcement for silicone rubber**
Fumed silica is the standard reinforcing filler for high-temperature vulcanized (HTV) silicone rubber and liquid silicone rubber (LSR). Without it, silicone rubber is weak and soft. It raises tensile strength, tear strength and elasticity while maintaining flexibility.
5. **Hydrophilic and hydrophobic grades**
- **Untreated (hydrophilic)** — universal grades for coatings, adhesives, unsaturated polyester, epoxy and general thickening.
- **Surface-treated (hydrophobic)** — with dimethylsiloxy, polymethylsiloxane or organosilane groups. Better dispersion in non-polar systems, higher moisture resistance, anti-blocking and anti-settling in sealants and battery slurries.
6. **Transparent-friendly**
Particle size far below visible light wavelength. In clear coatings, clear silicone gels and transparent polymers, it reinforces and thickens without clouding the system.
7. **High whiteness and thermal stability**
Whiteness ≥ 97%. Stable to over 1000 °C — does not decompose, release volatiles or char. Suitable for high-temperature processes and flame-retardant formulations.
8. **Free-flow and anti-caking**
A small amount turns sticky or compacted powders (dry chemicals, food powders, toner, powder coatings) into free-flowing, non-caking materials.
9. **Fast-growing battery use**
Used as a coating material on lithium-battery separator membranes. Improves thermal stability, prevents shrinkage at high temperature, and enhances cell safety.
10. **Fully customizable**
Surface area (100 / 150 / 200 / 300 / 380 m2/g), surface chemistry (hydrophilic / hydrophobic / specialty groups), bulk density and particle size all configurable to your formulation.
**Typical applications**
- Silicone rubber (HTV / LSR), silicone seals and keypads
- Architectural and industrial coatings, automotive refinish, printing inks
- Structural adhesives, sealants and potting compounds
- Epoxy, polyester and vinyl ester resins — thixotropic casting and laminating
- Cosmetics (serums, sunscreens, powders) for texture and oil control
- Lithium-battery separator coating
- Powder flow aid and anti-caking agent
**Why choose us**
Stable surface-area distribution, low grit and low black specks, consistent thickening efficiency batch to batch. Free samples with technical data sheet and formulation support for your specific system.
Fumed Silica
**What it is**
Fumed silica is produced by high-temperature flame hydrolysis of silicon tetrachloride or methyltrichlorosilane. It forms nano-scale primary particles (7–40 nm) that fuse into branched aggregates, delivering an extremely high specific surface area that ordinary precipitated silica cannot match.
**Core selling points**
1. **Ultra-high specific surface area**
50–400 m2/g available. A little goes a long way — typical dosage in coatings, adhesives and elastomers is only 1–5%, yet it delivers strong rheology and reinforcement.
2. **Ultra-high purity**
SiO? ≥ 99.8%. Virtually water-free, essentially non-porous, low in ionic impurities. Ideal for demanding electronics, battery and medical applications.
3. **True thixotropy and flow control**
The hydrogen-bonded silica network builds structure at rest and breaks under shear. Result: no sagging, no dripping, no pigment settling — yet the product still spreads, sprays or pumps easily. The go-to rheology modifier for coatings, inks, adhesives, sealants and resins.
4. **The key reinforcement for silicone rubber**
Fumed silica is the standard reinforcing filler for high-temperature vulcanized (HTV) silicone rubber and liquid silicone rubber (LSR). Without it, silicone rubber is weak and soft. It raises tensile strength, tear strength and elasticity while maintaining flexibility.
5. **Hydrophilic and hydrophobic grades**
- **Untreated (hydrophilic)** — universal grades for coatings, adhesives, unsaturated polyester, epoxy and general thickening.
- **Surface-treated (hydrophobic)** — with dimethylsiloxy, polymethylsiloxane or organosilane groups. Better dispersion in non-polar systems, higher moisture resistance, anti-blocking and anti-settling in sealants and battery slurries.
6. **Transparent-friendly**
Particle size far below visible light wavelength. In clear coatings, clear silicone gels and transparent polymers, it reinforces and thickens without clouding the system.
7. **High whiteness and thermal stability**
Whiteness ≥ 97%. Stable to over 1000 °C — does not decompose, release volatiles or char. Suitable for high-temperature processes and flame-retardant formulations.
8. **Free-flow and anti-caking**
A small amount turns sticky or compacted powders (dry chemicals, food powders, toner, powder coatings) into free-flowing, non-caking materials.
9. **Fast-growing battery use**
Used as a coating material on lithium-battery separator membranes. Improves thermal stability, prevents shrinkage at high temperature, and enhances cell safety.
10. **Fully customizable**
Surface area (100 / 150 / 200 / 300 / 380 m2/g), surface chemistry (hydrophilic / hydrophobic / specialty groups), bulk density and particle size all configurable to your formulation.
**Typical applications**
- Silicone rubber (HTV / LSR), silicone seals and keypads
- Architectural and industrial coatings, automotive refinish, printing inks
- Structural adhesives, sealants and potting compounds
- Epoxy, polyester and vinyl ester resins — thixotropic casting and laminating
- Cosmetics (serums, sunscreens, powders) for texture and oil control
- Lithium-battery separator coating
- Powder flow aid and anti-caking agent
**Why choose us**
Stable surface-area distribution, low grit and low black specks, consistent thickening efficiency batch to batch. Free samples with technical data sheet and formulation support for your specific system.
**What it is**
Fumed silica is produced by high-temperature flame hydrolysis of silicon tetrachloride or methyltrichlorosilane. It forms nano-scale primary particles (7–40 nm) that fuse into branched aggregates, delivering an extremely high specific surface area that ordinary precipitated silica cannot match.
**Core selling points**
1. **Ultra-high specific surface area**
50–400 m2/g available. A little goes a long way — typical dosage in coatings, adhesives and elastomers is only 1–5%, yet it delivers strong rheology and reinforcement.
2. **Ultra-high purity**
SiO? ≥ 99.8%. Virtually water-free, essentially non-porous, low in ionic impurities. Ideal for demanding electronics, battery and medical applications.
3. **True thixotropy and flow control**
The hydrogen-bonded silica network builds structure at rest and breaks under shear. Result: no sagging, no dripping, no pigment settling — yet the product still spreads, sprays or pumps easily. The go-to rheology modifier for coatings, inks, adhesives, sealants and resins.
4. **The key reinforcement for silicone rubber**
Fumed silica is the standard reinforcing filler for high-temperature vulcanized (HTV) silicone rubber and liquid silicone rubber (LSR). Without it, silicone rubber is weak and soft. It raises tensile strength, tear strength and elasticity while maintaining flexibility.
5. **Hydrophilic and hydrophobic grades**
- **Untreated (hydrophilic)** — universal grades for coatings, adhesives, unsaturated polyester, epoxy and general thickening.
- **Surface-treated (hydrophobic)** — with dimethylsiloxy, polymethylsiloxane or organosilane groups. Better dispersion in non-polar systems, higher moisture resistance, anti-blocking and anti-settling in sealants and battery slurries.
6. **Transparent-friendly**
Particle size far below visible light wavelength. In clear coatings, clear silicone gels and transparent polymers, it reinforces and thickens without clouding the system.
7. **High whiteness and thermal stability**
Whiteness ≥ 97%. Stable to over 1000 °C — does not decompose, release volatiles or char. Suitable for high-temperature processes and flame-retardant formulations.
8. **Free-flow and anti-caking**
A small amount turns sticky or compacted powders (dry chemicals, food powders, toner, powder coatings) into free-flowing, non-caking materials.
9. **Fast-growing battery use**
Used as a coating material on lithium-battery separator membranes. Improves thermal stability, prevents shrinkage at high temperature, and enhances cell safety.
10. **Fully customizable**
Surface area (100 / 150 / 200 / 300 / 380 m2/g), surface chemistry (hydrophilic / hydrophobic / specialty groups), bulk density and particle size all configurable to your formulation.
**Typical applications**
- Silicone rubber (HTV / LSR), silicone seals and keypads
- Architectural and industrial coatings, automotive refinish, printing inks
- Structural adhesives, sealants and potting compounds
- Epoxy, polyester and vinyl ester resins — thixotropic casting and laminating
- Cosmetics (serums, sunscreens, powders) for texture and oil control
- Lithium-battery separator coating
- Powder flow aid and anti-caking agent
**Why choose us**
Stable surface-area distribution, low grit and low black specks, consistent thickening efficiency batch to batch. Free samples with technical data sheet and formulation support for your specific system.
Fumed Silica
