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Lead chromate molybdate sulfate. Is an inorganic pigment. Consists of mixed crystals consisting of lead chromate, lead sulfate and lead molybdate. It is not a mixture of lead chromate molybdate and lead sulfate and is, for stabilization purposes, coated with silicate. It is used when the emphasis is on economy rather than fastness to light, weathering and resistance to SO2. It is particularly suitable as the sole colorant present, either in the full or reduced shades, as well as in combination with other pigments for producing oranges and greens.
Details
Lead chromate molybdate sulfate
- medium fastness properties but high chroma
industrial coatings
It is insoluble in organic solvents and thus fast to overspraying.
Is not suitable to color or coat cement or lime.
The heat stability depends on the binder and solvent system used.
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Appearance Properties | |||
| Physical state | powder | ||
| Appearance | |||
| Physical Properties | |||
| Density | 5.6 | g/ml | |
| Bulk volume | 2.0 | l/Kg | |
| pH | 5 - 7 | ||
| Color index | |||
| Surface Area | 11 | m²/g | |
| Oil absorbtion | 20 | % | |
| Thermal Properties | |||
| Heat Stability | 200 | ºC | |
| Chemical Properties | |||
| acid resistance | 2 | ||
| Basic resistance | 3 | g/100g | |
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