CAS NO.: 1308-38-9 Molecular Formula: Cr2O3
Molecular Weight: 152.0 Specific Gravity: 5.12g/cm3
Appearance: Green powder with strong coloring strength and good dispersion
Molecular Weight: 152.0 Specific Gravity: 5.12g/cm3
Appearance: Green powder with strong coloring strength and good dispersion
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Item
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Index
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Pigment
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abrade
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Premium grade
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Premium grade
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Cr203 %,≥
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99.0
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99.0
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Moisture%,≤
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0.15
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0.15
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Water soluble matter%,≤
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0.1
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0.2
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Aq. solution, PH
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6--8
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No
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Oil absorption,g/100g
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15--25
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20
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Chrome
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Ok
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No
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Fastness,%
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OK
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No
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Residue on screen%,45um,≤
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0.1
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0.3
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Remark: The chrome and fastness is optional.
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||
Package: 25kgs in woven bag.
Uses: Used in the chrome smelt and chromium carbide ,the dyeing agent of porcelain enamel and ceramic ,leatheroid ,structure material ,sunlight fast coating ,abradant, green polish paste ,ink etc.
5, Lithopone
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Item
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Standard
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B301
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B311
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Ba+SO4 (as ZnS)%(m/m) ≥
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99
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99
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Zinc (as ZnS) (m/m)%≥
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28
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30
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Zinc Oxide %(m/m) ≤
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0.6
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0.3
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105℃ Volatile%(m/m)≤
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0.3
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0.3
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Water Soluble%(m/m) ≤
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0.4
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0.3
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Screen residues (63um mesh) %(m/m) ≤
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0.1
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0.1
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Oil absorption g/100g ≤
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14
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10
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Color Killing (Compare with standard specimen) %≥
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105
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105
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Properties: Lithopone is a white pigment composed of a mixture of barium sulfate (28 - 30%) and zinc sulfide (68 - 70%) with trace amounts of zinc oxide.
Applications: It is produced by precipitation through filtering, heating and quenching works. Lithopone has mostly been replaced by titanium dioxide which is more durable, but it is much cheaper. It is used as a base for lake pigment and used as a inert pigment for paint, ink and cosmetics as well as in a large range of applications in plastic industry. It is used as a filler in paper, leather, and linoleum.
Packing: 25kg or 50kg P.P. bag.,18 mts in 20'FCL