ceramic

Zinc oxide Division - White Seal Grade
   
Product Identification Zinc Oxide (ZnO)
Supply Form White Powder
   
Grade A B

Appearance

 White Powder 9-12
Assay, as ZnO% (min.) 99.8 99.6

Lead as Pb% (max.)

 0.002 0.05
Cadmium as Cd% (max.) 0.0005 0.001

Copper as Cu% (max.)

 0.0005 0.002
Iron as Fe% (max.) 0.001 0.005

Volatiles% on dry basis (max.)

 0.1 0.1
Insoluble% in dil. HCl (max.) 0.01 0.01

Oil Absorption%

 14-16 14-16
Specific Gravity 5.5 5.5

Surface Area (BET), m2/gr

 5 5
Residue% on BS 325 mesh (max.) 0.02 0.1
These are the general specifications. However, material as per the specific requirement of customers can be offered.

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Titanium Dioxide - Rutil r709
   
Pigment Type R-709
Density 4.1 g/cc
   
• Product information

White powder with crystallographic from of rutile non-toxic, nonflammable and chemically inactive surface treated with aluminium compounds (in amount 3% as AI2So3) and modified with hydrophilic organic compounds.


• Product Characteristics
Test Normal Value
Tianium Dioxide content Minimum 95.0% of which rutile 98.0%
Matter Voiatile or 105 Degree C Maximum 0.5%
Matter Soluble in Water Maximum 0.5%
Residue on Sieve of 45 cm Maximum 0.02%
Lightness Maximum 95.5 %
Full Shade (Colour tinge of white system) -7.0
Relative Scattering power * 100
Lightening Power 1850
Undertone (Colour tinge of grey system 3.5
pH value of aqueous suspension 7.5
Oil absorption g/100g of pigment 21
Resistively of aqueous extract (0hm 8 cm) Minimum 12,000
* Determined in relation to our internal standard of R-709 in alkyed paste of pigment value concentration PVC- 17 %

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