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TITANIUM DIOXIDE R-2195 article

R-2195

High dispersibility and Stability

Application

Mid-range solevent coating.Interior and exterior wall latex paint, industrial coatings, multiplex
printinginks, flexible printing ink, laminated paper, plastic masterbatch, powder coating.

 

Characters

* Neutral color

* Easy to wet and disperse

* Moderate, stable color dispersing and convening

* Make the white color product have moderate lightness and stable color

 

Basic characters

ProcessRutile-----------------------------------------------------------------paint produced by sulfate process

Surface treatment------------------------------------------------------------Treat with silicon,aluminum,special organic substance covering

Standard classfication(ISO 591-1)-----------------------------------------R2

Specific gravity(ISO 787-10)-----------------------------------------------3.9g/cm3

TiO2 content (ISO 591-1)--------------------------------------------------90.0%

105 volatile under package(ISO 787-2)--------------------------------0.5%

Soluble Substances(ISO 787-2)--------------------------------------------0.5%

Residue on sieve(45um)(ISO787-18)-------------------------------------0.05%

Rutile transformation rate--------------------------------------------------97%

 

Application Conditions

Whiteness of oil system(L*)Note.1--------------------------------------94.5-95.0

Hue(B*) Note.1-------------------------------------------------------------1.7-2.3

Relative Scattering Strength(ISO 787-24)-------------------------------Close to the sample (95-105)

Color within the color system(ISO 787-25)----------------------------Close to the sample colorE0.3

PH Value of aqueous suspension(ISO 787-9)--------------------------7.0-8.5

Oil Absorption volume(ISO787-5)--------------------------------------20g/100g

Resistivity of aqueous extract(ISO787-14)-----------------------------50Ω•M

Dispersion under high-speed mixing of Alkyd system Note2-------25μm

 

Test instructions

1.     Test for whiteness of oil systerm(L*)and Hue(B*):Grand the Titanium dioxide with grinding mill.to make
a film with thickness of 100μm.Calibrate with ASTM standard ceramic tile by Differential Colorimeter.
Then test the surface of the film and indicate with CIE L*
a*b*

2.     Test for Dispersion under high-speed mixing of Alkyd system:In the alkyd resin system,test with Scraper
fineness gage after dispersion by high-speed mixer .Other items please refer to ISOstandard.




Titanium dioxide

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