However, under the action of light, titanium dioxide can undergo continuous redox reactions and has photochemical activity. This kind of photochemical activity is particularly obvious under the irradiation of ultraviolet light, which makes titanium dioxide not only a photosensitive oxidation catalyst for some inorganic compounds, but also a photosensitive reduction catalyst for some organic compounds.
HTR-628 is a rutile titanium dioxide pigment with alumina, Zirconia and organic surface treatment, with high whiteness and gloss, high scattering power, high durability and excellent dispersibility. As a general purpose Tio2, widely used in coatings, plastics, ink and paper.
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ITEM |
Technical Specifications
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TiO2 % ≥ |
93.00 |
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Brightness ≥ |
94.8 |
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Tinting Power (Reynolds Number, TCS) ≥ |
1850 |
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1050 C Volatile (g/100g) % ≤ |
0.5 |
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Matter Soluble in water, % ≤ |
0.5 |
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PH value |
6.5~8.5 |
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Oil absorption ≤ |
20 |
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Fineness( 45µm sieve residue) % ≤ |
0.02 |
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Resistivity Ω.m ≥ |
80 |
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Oil dispersible power(Hegemann Number) ≥ |
6.0 |
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L*b |
L ≥ |
100.0 |
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b ≤ |
1.40 |
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Packing
In 25kg paper bags or 500kg and 1000kg jumbo bags

Product Storage
Keep it from direct contact with moisture.
Safety Precautions
Wear gloves and safety glasses with side shields, safety shoes when handling tio2. In case of eye contact, flush it immediately. In case of skin contact, clean it after the use.
.We are Inorganic Pigment Manufacturer since 1998, Our material can be used in Pigment, Resin, Detergent, ACID, Water Treatment, Plasticizer etc, if there is any demand on Titanium Dioxide, Carbon Black, Chromium Oxide Green Pigment, Sodium Tripolyphosphate, Sodium Hexametaphosphate quotation and sample, Pls feel free to contact us in 24/7. Welcome your field inspection and expect 2020 cooperation.
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Main Product:
Titanium Dioxide,
PVC Paste Resin,
Polyvinyl Alcohol ,
PVC Resin,
Iron Oxide,
Carbon Black