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  • Factory Price Amorphous Nano SiO2 20-50 nm Silicon Dioxide Fumed Silica
  • Factory Price Amorphous Nano SiO2 20-50 nm Silicon Dioxide Fumed Silica
  • Factory Price Amorphous Nano SiO2 20-50 nm Silicon Dioxide Fumed Silica
  • Factory Price Amorphous Nano SiO2 20-50 nm Silicon Dioxide Fumed Silica
Factory Price Amorphous Nano SiO2 20-50 nm Silicon Dioxide Fumed Silica

Factory Price Amorphous Nano SiO2 20-50 nm Silicon Dioxide Fumed Silica

  • 1 - 999 Kilograms
    $15
  • 1000 - 4999 Kilograms
    $11
  • >= 5000 Kilograms
    $9

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

Factory Price Amorphous Nano SiO2 20-50 nm Silicon Dioxide Fumed Silica

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Nano Silica Additive: A high-purity (99%) amorphous nano SiO₂ powder (20-50 nm) designed to enhance material performance in industrial applications.
  • Multi-Industry Utility: Optimized for use in paints (improves flow and prevents settling), rubber (enhances tensile strength and durability), and coatings (boosts adhesion and abrasion resistance).

Key features

  • 1. Advanced Nano Material Technology

    • With nano-sized SiO₂ particles (20-50 nm), achieve superior dispersion and uniformity in coatings and rubber formulations compared to coarser grades*

  • 2. High Purity and Consistency

    • With 99% purity and uniform particle distribution, ensure reliable performance in precision applications like paint additives and industrial coatings.

  • 3. Industrial-Grade Performance

    • Industrial-grade formulation delivers stable viscosity control and enhanced adhesion in paints while improving flexibility in rubber products.

  • 4. Multi-Industry Application Solutions

    • Tailored for paint, rubber, and coating industries, this silica optimizes formulation performance for demanding commercial and industrial use cases.

  • 5. Compliance with Environmental Standards

    • Certified to SVHC and EPR regulations in Germany and France, ensuring adherence to strict environmental and safety protocols for sustainable packaging and material use.

Product details

Factory Price Amorphous Nano SiO2 20-50 nm Silicon Dioxide Fumed Silica

TRUNNANO's Factory Price Amorphous Nano SiO₂ (20-50 nm) is a high-purity fumed silica designed for industrial applications requiring precise particle control and exceptional performance. This white powder, with 99% purity and a consistent nanostructure, enhances viscosity, adhesion, and stability in paints, rubber, and coatings. Certified under SVHC and EPR standards, it ensures compliance with global regulatory requirements.

Technical specifications

FeatureSpecificationBenefit
MaterialSilica (SiO₂)Chemically inert, non-toxic, and stable
Particle Size20-50 nm (amorphous nanostructure)Optimized for enhanced dispersion in coatings/rubber
Purity99%Minimizes impurities for high-precision applications
GradeIndustrial GradeMeets bulk manufacturing quality standards
CertificationsSVHC, EPR_Germany_Packing, EPR_France_PackingEnsures environmental and safety compliance
ApplicationsPaint, Rubber, CoatingVersatile for viscosity control and reinforcement

Customization guide

Adjust particle size distribution (20-50 nm range) or surface treatment (e.g., hydrophobic/hydrophilic) to tailor rheological properties for specific viscosity needs in adhesives, cosmetics, or pharmaceuticals.

Get inspired

With TRUNNANO’s ultra-fine nano SiO₂, achieve superior texture control in paints for smoother finishes or enhanced tensile strength in rubber compounds. Its uniform particle distribution ensures consistent performance across diverse industrial applications.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Particle Size Control±5 nm (20-50 nm)±3 nm (20-50 nm)±1 nm (20-50 nm)*
Purity99.0%99.5%99.9%
Surface Area50-100 m²/g100-150 m²/g150-200 m²/g
CertificationsSVHC, EPRSVHC, EPR, RoHSSVHC, EPR, ISO 14001

Supplier's note

  1. Technical Breakthroughs:

    • Nano Particle Precision: The 20-50 nm range ensures optimal reinforcement in coatings without clumping.
    • Ultra-High Purity: The Pro Model’s 99.9% purity enables use in pharmaceutical-grade applications.
    • Global Compliance: EPR certifications streamline regulatory adherence in Europe.

  2. Version Selection Guide:

    • Base Model: Ideal for general industrial use (e.g., basic coatings) where cost efficiency is prioritized.
    • Advanced Model: Suitable for mid-tier applications requiring RoHS compliance (e.g., automotive adhesives).
    • Pro Model: Tailored for high-end sectors like medical devices or aerospace, leveraging its 20% higher surface area than industry benchmarks for superior dispersion.

With the Pro Model’s 99.9% purity, you can ensure contamination-free performance in sensitive environments. Its enhanced surface area allows 20% faster dispersion compared to standard fumed silica, reducing mixing time in high-viscosity systems.

Frequently asked questions

  • Which amorphous nano SiO₂ model suits applications requiring 20-50 nm particle size for paint additives?

  • How should fumed silica powder be stored to maintain its properties?

  • What makes TRUNNANO’s fumed silica better than precipitated silica for rubber reinforcement?

  • Can TRUNNANO customize nano SiO₂ particle size or purity for specialized coatings?

  • Is this nano silicon dioxide compliant with EU chemical regulations like SVHC?

  • What advantages does 99% pure nano SiO₂ offer in high-end coating formulations?

  • Can nano fumed silica be used in food-grade applications?

  • What safety precautions are needed when handling white powder fumed silica?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Paint AdditivesAutomotive, Industrial CoatingsParticle Size: 20-50 nm (ISO 13320-1 compliant)
Purity: 99% (ISO 14687-1) ▲		▲ Finer dispersion reduces sedimentation, enabling smoother finishes.
Chemical inertness prevents color degradation.		Higher cost vs. conventional silica; requires precise dosing for viscosity control.
Rubber ReinforcementTire Manufacturing, SealantsSurface Area: 200 m²/g (ASTM D3037) ▲
Chemical Stability: Resists oxidation (ASTM D543)		▲ Enhanced tensile strength (+30% vs. standard silica).
Improves tear resistance in harsh environments.		Requires high-shear mixing to prevent agglomeration.
Anti-Corrosive CoatingsMetal ProtectionMoisture Barrier: 98% humidity resistance (ASTM B117) ▲
Pore-Blocking Efficiency: 95% (ISO 12944)		▲ Longer corrosion protection for bridges/industrial equipment.
Reduces repaint frequency.		May require primer for adhesion on low-energy substrates.
AdhesivesConstruction, PackagingAdhesion Strength: 15 N/mm² (ASTM D903) ▲
Thermal Stability: Up to 250°C (ASTM D5424)		▲ Stronger bonds in high-stress joints (e.g., automotive parts).
Resists thermal degradation.		Increased viscosity may necessitate thinner addition for processing.
Electronics InsulationPCB ManufacturingDielectric Strength: 12 kV/mm (IEC 60243-1) ▲
Low Moisture Absorption: <0.5% (ASTM D570)		▲ Superior electrical insulation in high-voltage circuits.
Prevents short circuits in humid conditions.		Requires precise dispersion to avoid conductivity risks.
Plastics AdditivesInjection Molding, FilmsFlow Improvement: 40% reduction in melt viscosity (ISO 1149-1) ▲
Purity: 99% (ISO 14687-1)		▲ Enhanced mold filling for complex geometries.
Reduces defects like warping.		Higher cost vs. standard fillers; may require compatibilizers for PP/PE.

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.