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            Ruikang R-998

              Specifications

             Titanium dioxide content,%

            ≥93 

             Oil absorption, g/100g

            ≤20 

             Residue on sieve (45μm sieve),%

            ≤0.01 

             Color (compared with working standard sample)
             Visual method
             Law ΔΕ chromaticity

            Similar 
            ≤0.2 

             Relative scattering power (with the R-930 standard sample),%

            96 

             Reducing power (Reynolds number)

            ≥1800 

             Water extract resistivity (Ω · m)

            ≥200 

             105 ℃ volatile matter,%

            ≤ 0.5 

             After 23 ± 2 ℃ and relative humidity (50 ± 5),%
             After 24h pretreatment, 105 ℃ Volatile,%


            ≤ 1.5 

             Water soluble,%

            ≤0.2 

             PH value of aqueous suspension

            6.5~8.0 

             Grinding and dispersion of (Hagerman number of H)

            ≥6.25 

             High stirring dispersion (μm)

            ≤ 30 


            ◎Description

            Ruikang R-998 is a universal rutile titanium dioxide pigment. The Alumina and Zirconia surface treatment reduces the contact between TiO2 particles, resulting in excellent dispersion of R-998 in solvent-borne and water-borne systems and excellent durability. The organic-treatment during manufacture has further enhanced its dispersion.


            ◎Key Features

            • Manufacturing consistency   • Excellent chalk resistance

            • Excellent gloss retention     • Superior dispersibility

            • High tint strength and gloss


            ◎Application

            Ruikang R-998 is a general-purpose interior pigment recommended use in coatings, plastics, inks, papers,etc.
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