气相二氧化硅性能与配方科学深度指南。
Preventing ATH Hard Settling in UPR/Styrene Systems: Fumed Silica Selection Guide
Why ATH hard-settles in UPR/styrene composites and how to select the right hydrophobic fumed silica grade to prevent it. Full mechanism, dosage guide, and dispersion sequence.
DDS vs PDMS vs HMDS Treated Fumed Silica: Choosing the Right Surface Treatment
How DDS, HMDS, and PDMS surface treatments differ in fumed silica chemistry, residual Si-OH risk, and application performance. Which to choose for UPR, epoxy, or silicone systems.
Hydrophilic vs Hydrophobic Fumed Silica in ATH-Filled Unsaturated Polyester
Why hydrophilic fumed silica fails in ATH-filled UPR and how hydrophobic grades prevent hard settling. Competitive adsorption, bridging flocculation, and practical guidance.
SiCl₄ 产能过剩如何压低气相二氧化硅生产成本
多晶硅扩产驱动的 SiCl₄ 过剩使气相二氧化硅原料成本自 2021 年以来下降…
Anti-Sagging Mechanism: Yield Stress in Vertical Coatings
Fumed silica builds a hydrogen-bonded network that delivers the 25–80 Pa yield stress vertical coatings need to resist gravity-driven sag between application…
Anti-Sagging Mechanism: Yield Stress in Vertical Coatings
Fumed silica builds a hydrogen-bonded network that delivers the 25–80 Pa yield stress vertical coatings need to resist gravity-driven sag between application…
防流挂机理：竖直涂层中的屈服应力
气相二氧化硅构建氢键网络，为竖直涂层提供 25–80 Pa…
Anti-Static Fumed Silica: Conductive Grade Selection
Carbon-modified and conductive fumed silica grades prevent electrostatic discharge in electronics encapsulants and propellant rubbers while preserving…
Anti-Static Fumed Silica: Conductive Grade Selection
Carbon-modified and conductive fumed silica grades prevent electrostatic discharge in electronics encapsulants and propellant rubbers while preserving…
抗静电气相二氧化硅：导电牌号选型指南
碳改性与导电气相二氧化硅牌号可防止电子封装料和推进剂橡胶中的静电放电，同时保持触变性能。…
BET Surface Area Explained: The Key Fumed Silica Spec
BET surface area is the single most important specification for selecting fumed silica grades — it directly predicts thickening efficiency, reinforcement…
BET Surface Area Explained: The Key Fumed Silica Spec
BET surface area is the single most important specification for selecting fumed silica grades — it directly predicts thickening efficiency, reinforcement…
BET 比表面积详解：气相二氧化硅的核心指标
BET 比表面积（BET surface…
Comparing Fumed Silica Grades: BET 150 / 200 / 300 / 380
Four hydrophilic fumed silica grades spanning 150–380 m²/g BET surface area — each optimized for different viscosity, clarity, and cost trade-offs in…
Comparing Fumed Silica Grades: BET 150 / 200 / 300 / 380
Four hydrophilic fumed silica grades spanning 150–380 m²/g BET surface area — each optimized for different viscosity, clarity, and cost trade-offs in…
气相二氧化硅牌号对比：BET 150 / 200 / 300 / 380
四种亲水型气相二氧化硅牌号，BET 比表面积跨越 150–380…
DDS Treatment of Fumed Silica: Hydrophobic Surface Mechanism
Dimethyldichlorosilane grafts dimethylsilyl groups and siloxane bridges onto fumed silica, converting hydrophilic surfaces to stable hydrophobic grades with…
DDS Treatment of Fumed Silica: Hydrophobic Surface Mechanism
Dimethyldichlorosilane grafts dimethylsilyl groups and siloxane bridges onto fumed silica, converting hydrophilic surfaces to stable hydrophobic grades with…
气相二氧化硅的 DDS 处理：疏水表面机理
二甲基二氯硅烷将二甲基硅烷基团和硅氧烷桥接枝到气相二氧化硅表面，将亲水性表面转变为具有受控碳含量的稳定疏水牌号。…
Fumed Silica Dispersion Techniques: Equipment & Methods
Selecting the right dispersion equipment determines whether fumed silica delivers target rheology or creates persistent quality defects.
Fumed Silica Dispersion Techniques: Equipment & Methods
Selecting the right dispersion equipment determines whether fumed silica delivers target rheology or creates persistent quality defects.
气相二氧化硅分散技术：设备与方法
选择正确的分散设备，决定气相二氧化硅是否能实现目标流变性，还是产生持续的质量缺陷。…
HMDS Treatment: Making Fumed Silica Hydrophobic
Hexamethyldisilazane converts hydrophilic fumed silica into hydrophobic grades by grafting trimethylsilyl groups onto surface silanols at 150–300 °C.
HMDS Treatment: Making Fumed Silica Hydrophobic
Hexamethyldisilazane converts hydrophilic fumed silica into hydrophobic grades by grafting trimethylsilyl groups onto surface silanols at 150–300 °C.
HMDS 处理：使气相二氧化硅疏水化
六甲基二硅氮烷在 150–300 °C…
Hydrophilic vs Hydrophobic Fumed Silica: How to Choose
Surface chemistry determines performance — hydroxyl-rich grades thicken polar systems while treated grades control moisture and reinforce silicone matrices.
Hydrophilic vs Hydrophobic Fumed Silica: How to Choose
Surface chemistry determines performance — hydroxyl-rich grades thicken polar systems while treated grades control moisture and reinforce silicone matrices.
亲水与疏水气相二氧化硅：如何选择
表面化学决定性能——富羟基牌号可使极性体系增稠，而处理型牌号可控制水分并补强硅橡胶基体。…
Moisture Content in Fumed Silica: Impact on Performance
Moisture levels above 1.5 wt% degrade thixotropic efficiency by up to 30%, making storage and drying protocols critical for batch consistency.
Moisture Content in Fumed Silica: Impact on Performance
Moisture levels above 1.5 wt% degrade thixotropic efficiency by up to 30%, making storage and drying protocols critical for batch consistency.
气相二氧化硅中的含水量：对性能的影响
含水量超过 1.5 wt% 会使触变效率降低多达…
Is Fumed Silica a Nanomaterial? The Classification Debate
Fumed silica primary particles are 5–50 nm, but commercial product ships as fused aggregates well above the 100 nm nano threshold — classification hinges on…
Is Fumed Silica a Nanomaterial? The Classification Debate
Fumed silica primary particles are 5–50 nm, but commercial product ships as fused aggregates well above the 100 nm nano threshold — classification hinges on…
气相二氧化硅是纳米材料吗？分类争议
气相二氧化硅一次粒子为 5–50 nm，但商业产品以熔结聚集体形式供货，尺寸远超 100 nm…
Optical Clarity vs Haze: Fumed Silica in Clear Systems
Fumed silica can deliver thixotropy in clear systems without visible haze — if you match refractive index and control aggregate size below 200 nm.
Optical Clarity vs Haze: Fumed Silica in Clear Systems
Fumed silica can deliver thixotropy in clear systems without visible haze — if you match refractive index and control aggregate size below 200 nm.
光学透明度与雾度：气相二氧化硅在透明体系中的应用
气相二氧化硅可在透明体系中提供触变性而不产生可见雾度——前提是匹配折射率并将聚集体粒径控制在 200 nm…
Over-Dispersion of Fumed Silica: Causes & How to Avoid It
Excessive shear energy fragments fumed silica aggregates below critical size, permanently destroying the hydrogen-bonded network responsible for thixotropic…
Over-Dispersion of Fumed Silica: Causes & How to Avoid It
Excessive shear energy fragments fumed silica aggregates below critical size, permanently destroying the hydrogen-bonded network responsible for thixotropic…
气相二氧化硅过度分散：原因及规避方法
过高的剪切能量会将气相二氧化硅聚集体破碎至临界尺寸以下，永久性地破坏负责触变恢复的氢键网络。…
Fumed Silica Particle Size Distribution & Aggregates
Primary particles of 7-40 nm fuse into fractal aggregates of 100-300 nm that determine every performance property — reporting a single particle size is…
Fumed Silica Particle Size Distribution & Aggregates
Primary particles of 7-40 nm fuse into fractal aggregates of 100-300 nm that determine every performance property — reporting a single particle size is…
气相二氧化硅粒径分布与聚集体结构
7–40 nm 的初级粒子在火焰中烧结成 100–300 nm…
PDMS Treatment: Ultra-Hydrophobic Fumed Silica Grades
Polydimethylsiloxane multilayer coating converts hydrophilic fumed silica into an ultra-hydrophobic additive with residual silanol counts below 25%.
PDMS Treatment: Ultra-Hydrophobic Fumed Silica Grades
Polydimethylsiloxane multilayer coating converts hydrophilic fumed silica into an ultra-hydrophobic additive with residual silanol counts below 25%.
PDMS 处理：超疏水气相二氧化硅牌号
聚二甲基硅氧烷多层涂层将亲水性气相二氧化硅转化为超疏水添加剂，残余硅烷醇含量低于…
Fumed Silica Regulatory Overview: REACH, TSCA & More
Synthetic amorphous silica is registered under every major chemical framework, but tonnage bands, purity grades, and food-contact limits vary by jurisdiction…
Fumed Silica Regulatory Overview: REACH, TSCA & More
Synthetic amorphous silica is registered under every major chemical framework, but tonnage bands, purity grades, and food-contact limits vary by jurisdiction…
气相二氧化硅法规综述：REACH、TSCA 及更多
合成无定形二氧化硅已在所有主要化学品法规框架下完成注册，但吨位区间、纯度等级及食品接触限值因司法管辖区和最终用途而异。…
Fumed Silica Rheology Test Methods Compared
Four rheology test methods compared — Brookfield spindle, cone-and-plate, oscillatory sweep, and 3-ITT — matched to the formulation data each one actually…
Fumed Silica Rheology Test Methods Compared
Four rheology test methods compared — Brookfield spindle, cone-and-plate, oscillatory sweep, and 3-ITT — matched to the formulation data each one actually…
气相二氧化硅流变学测试方法比较
四种流变学（rheology）测试方法对比——布氏转轴、锥板、振荡扫描和…
Measuring Silanol Density on Fumed Silica: 4 Methods
Four analytical methods for quantifying surface silanol groups on fumed silica — compared by accuracy, cost, and practical relevance to formulation work.
Measuring Silanol Density on Fumed Silica: 4 Methods
Four analytical methods for quantifying surface silanol groups on fumed silica — compared by accuracy, cost, and practical relevance to formulation work.
气相二氧化硅硅烷醇密度测量：4 种方法
定量气相二氧化硅表面硅烷醇基团的四种分析方法——按准确度、成本及对配方工作的实际意义进行比较。…
Fumed Silica Storage & Handling: Best-Practice Guide
Proper storage and handling of fumed silica preserves its low bulk density, prevents moisture uptake, and ensures consistent thixotropic performance in…
Fumed Silica Storage & Handling: Best-Practice Guide
Proper storage and handling of fumed silica preserves its low bulk density, prevents moisture uptake, and ensures consistent thixotropic performance in…
气相二氧化硅储存与处理：最佳实践指南
正确储存和处理气相二氧化硅可保持其低堆积密度、防止水分吸收，并确保下游配方中稳定的触变性能。…
Fumed Silica Structure Recovery Time & Thixotropic Rebuild
After high shear stops, fumed silica hydrogen-bond networks rebuild on timescales from 0.5 s to 120 s — and the recovery curve dictates whether your coating…
Fumed Silica Structure Recovery Time & Thixotropic Rebuild
After high shear stops, fumed silica hydrogen-bond networks rebuild on timescales from 0.5 s to 120 s — and the recovery curve dictates whether your coating…
气相二氧化硅结构恢复时间与触变重建
高剪切停止后，气相二氧化硅氢键网络在 0.5–120 s…
Fumed Silica Tap Density & Bulk Density Explained
Fractal aggregate geometry gives fumed silica a bulk density of 30–50 g/L — 40× lighter than precipitated silica — creating unique challenges in storage…
Fumed Silica Tap Density & Bulk Density Explained
Fractal aggregate geometry gives fumed silica a bulk density of 30–50 g/L — 40× lighter than precipitated silica — creating unique challenges in storage…
气相二氧化硅振实密度与堆积密度详解
分形聚集体几何结构赋予气相二氧化硅 30–50 g/L 的堆积密度——比沉淀法二氧化硅轻 40…
Technical
A concise technical index covering the four pillars of fumed silica science — particle morphology, surface treatment, rheological control, and quality testing…
Technical
A concise technical index covering the four pillars of fumed silica science — particle morphology, surface treatment, rheological control, and quality testing…
技术中心
简明技术索引，涵盖气相二氧化硅科学的四大支柱——粒子形态、表面处理、流变学控制和质量测试——附面向 B2B…
Fumed Silica Thermal Conductivity & Insulation
Fumed silica's nanoporous structure suppresses heat transfer to 0.012–0.020 W/m·K, outperforming still air and enabling next-generation aerogel thermal…
Fumed Silica Thermal Conductivity & Insulation
Fumed silica's nanoporous structure suppresses heat transfer to 0.012–0.020 W/m·K, outperforming still air and enabling next-generation aerogel thermal…
气相二氧化硅导热性与隔热性能
气相二氧化硅的纳米孔结构将导热系数抑制至 0.012–0.020…
Thixotropic Mechanism of Fumed Silica: How It Works
Fumed silica builds thixotropic structure through reversible silanol hydrogen bond networks that break under shear and recover at rest.
Thixotropic Mechanism of Fumed Silica: How It Works
Fumed silica builds thixotropic structure through reversible silanol hydrogen bond networks that break under shear and recover at rest.
气相二氧化硅触变机理：工作原理
气相二氧化硅通过可逆硅烷醇氢键网络构建触变结构，该网络在剪切下断裂，静止时恢复。…
Fumed Silica Viscosity Build Curves: Loading & Surface Area
How fumed silica loading level, surface area, and binder polarity combine to determine viscosity build — with grade-by-grade curve data for SEMISIL…
Fumed Silica Viscosity Build Curves: Loading & Surface Area
How fumed silica loading level, surface area, and binder polarity combine to determine viscosity build — with grade-by-grade curve data for SEMISIL…
气相二氧化硅黏度构建曲线：添加量与比表面积
气相二氧化硅添加量、比表面积和粘合剂极性如何共同决定黏度构建——附 SEMISIL…
Zeta Potential of Fumed Silica Across the pH Scale
Fumed silica surface charge swings from positive to strongly negative across the pH scale, making zeta potential the single most critical parameter for…
Zeta Potential of Fumed Silica Across the pH Scale
Fumed silica surface charge swings from positive to strongly negative across the pH scale, making zeta potential the single most critical parameter for…
气相二氧化硅在 pH 范围内的 ζ 电位
气相二氧化硅表面电荷在 pH 范围内从正值波动至强负值，使 ζ 电位（zeta…