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Lithopone |
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| Specification: | ||
| - Sum of total zinc,calculated as zinc sulfide,and barium sulfate..........99%min. - Total zinc,calculated as zinc sulfide.....................28%-30% - Zinc oxide.................0.6%-0.3%max. - Matter volatile at 105C.........................0.3%MAX. - Matter soluble in water.........................................0.4%-0.3%max. - Residue on sieve(63um).................0.1%max. - Color...................Similar to the standard sample - Alkalinity of aqueous extract..........................Neutral - Oil absorption valve g/100g pigment..........................14;11;10 max. - Lightening power........................Not lower than the standard sample - Hiding power............................................Lower than the standard sample 5% max. |
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