NT-50 Hydrophilic Fumed Titanium Dioxide

HIFULL NT-50 is fumed titanium dioxide (TiO2) prepared by the pyrolysis process. It has ultra-fine particle size, high purity, high specific surface area, and a unique combination of anatase and rutile mixed crystal structure. This product is applied in the field of catalysis and photocatalysis, it can also be used as an effective UV filter.


  • Small particle size, high purity, high specific surface area ;
  • Combination of anatase and rutile mixed crystal structure, mainly anatase structure(not regular rutile structure);
  • Good thermal and chemical stability;
  • Outstanding catalytic and photocatalytic efficiency;
  • Photoactive under UV radiation;
  • Heat-stabilizing effect in silicone elastomers
Consult product informationFree Sample Request


PropertiesUnitStandard ValueTesting Method
Specific surface area(BET)m2/g50±15GB/T 20020
pH in 4% dispersion3.5~4.5GB/T 20020
Loss on   drying @ 105℃×2h%≤1.5GB/T 20020
Loss on ignition(Loss on   ignition @ 1000℃×2h)%≤2.5GB/T 20020
TiO2 Conten (based on ignited material)% ≥99.5GB/T 19591
Tamped density(@ 105℃×2h)g/dm²140±40GB/T 20020
Crystal Shapewt.%anatase and rutile mixed crystal structureGB/T 19591

Uses and Applications

  • Raw material for catalyst substrates with high thermal and hydrothermal stability;
  • Efficient catalyst substrate with good thermal and hydrothermal stability;
  • Efficient photocatalyst for the formulation of self-cleaning construction materials;
  • Suitable for the construction of efficient dye-sensitized solar cells;
  • Heat stabilizer and flame retardant for silicone rubbers;
  • Additive and raw material for ceramic and metal materials as the bonding agent, sintering additive, or structural component;
  • Dry coating of cathode materials in Li-ion batteries to increase performance and service time.

Frequently Asked Question

A Manufacturer. Hubei Huifu has been researching and manufacturing fumed silica for 20+ years. We are the largest manufacturer of fumed silica with a well-developed and stable manufacturing process in China.
We get registration of REACH and pre-registration of K-REACH & KKDIK. We get certificates of ISO 9001, ISO 14001. We are the leading setting body of ISO18473-1:2015, ISO18473-3:2018 and ISO 23157:2021.

  • Manufacturer: Leading fumed silica manufacturer in China with 20+ years of expertise, 12,000 tons annual capacity 
  • Registration & Certificate: REACH, K-REACH, KKDIK, ISO9001, HALAL, KOSHER
  • Manufacturer Direct Supply: 23 grades of hydrophilic; hydrophobic fumed silica supplied, good quality, competitive price
  • International Standard: Leading setting body of ISO18473-3-2018 Fumed silica for silicone rubber application; Member of the setting body of ISO18473-1-2015 Nanoscale calcium carbonate for sealant application
  • Technology Expertise: 50+ technology patents experienced R&D team from top universities of China Project 211 & Project 985 

Free Sample: All grades of fumed silica sample available, Contact to Us

Pyrohydrolysi & Trichloromethylsilane

Fumed silica is synthesized by the pyrohydrolysis of silicon tetrachloride or trichloromethylsilane in the flame of hydrogen and oxygen. Our main raw material is silicon tetrachloride, and the secondary is trichloromethylsilane.

Hydrophilic Fumed Silica SiO2:

HL-150 / HL-200 / HL-300 / HL-380 / HL-150W / HL-200W

Hydrophobic Fumed Silica SiO2:

DDS Treated — HB-151/ HB-152 ;
PDMS Treated — HB-139 ;
HMDS Treated — HB-132 / HB-135 / HB-612/ HB-615 / HB-620 / HB-630.

Fumed Titanium Dioxide TiO2: NT-50

Fumed Aluminium Oxide Al2O3: Aluna-80 & Aluna-100

Price is based on the actual grade.

When the price of raw material fluctuates, we may adjust the price accordingly, please enquire before placing orders. Our email: hifull@hifull.com. Cell : + 8618571019514

When fumed silica is used as filler or additives, it helps in thickening, reinforcement, transparency, free-flow, thixotropic performance, dielectric properties, anti-settling, heat insulation, and anti-sagging. For example, for powder products, HIFULL fumed silica is used as an anti-caking agent; for liquid products, HIFULL fumed silica is used as an anti-settling agent or suspending agent.

ApplicationsFunctionsRecommended Dosage
Paints & Coatingsrheology & thixotropic control,anti-sagging,anti-settling0.5-2%
UPR, Gel Coatrheology & thixotropic control,,anti-sagging,anti-settling0.5-2%
HTV Silicone Rubberreinforcement15-30%
RTV Silicone Rubberthickening & reinforcing10-20%
Adhesivesrheology & thixotropic control, anti-sagging,anti-settling2-10%
Cable Gelthickening5-10%
Gel Batterythickening0.5-6%
Industrial Powdersanti-caking0.5-1%

Quality Stabilization: we are the earliest fumed silica manufacturers with independent R&D in China, which guarantees our product stabilization.

Largest Manufacturer: Our annual output of fumed silica is about 12,000 tons.

Strong R&D Team: Besides our own R&D institute and application& technology department, we’ve to build a research center with Sichuan University and Wuhan University, both are top-tier universities in China.

Leading Authority: We have already been the influential enterprise in the silicon industry in China. Doctor Wang Yuelin, the actual controller of Hifull, is the leader of the Sino-Germany project ISO18473-3 << Fumed Silica for Silicon Rubber>> and he is granted the Outstanding Contribution Award by the committee.

Mainly T/T, L/C and D/P, actual payment terms please check with sales when placing orders.

We will arrange delivery immediately according to the manufacturing schedule and conditions. Due to shipping schedule or other factors, please check with sales when placing orders.

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