Mid-chromium yellow
Mid-chromium yellow(Medium Chrome Yellow, Pigment Yellow 34) is an inorganic pigment, primarily composed of lead chromate (PbCrO₄), known for its excellent coloring properties and chemical stability. It is widely used in coatings, inks, plastics, rubber, ceramics, and other fields.
I. Basic Characteristics
Chemical Composition: The main component is lead chromate (PbCrO₄), typically containing over 90%.
Physical Properties：
AppearanceLight to deep yellow powder.
CrystalineMonoclinic crystal system.
DensityApproximately 5.1 to 6.0 g/cm³.
Absorption capacity：13～27 g/100g。
CoverageModerate, between light and dark chrome yellow.
LightfastnessExcellent, lightfastness up to level 6 and above.
Thermal resistanceHeat resistance temperature ≥ 300°C.
Acid and alkali resistanceGood resistance to acidity, but poor resistance to alkalinity.
DispersiveGood dispersion, easy to disperse evenly in the medium.
Section II: Application Fields
Paint：
Used for manufacturing various decorative paints and industrial paints, such as road marking paints, anti-rust paints, automotive paints, exterior building paints, etc.
Offer vibrant yellow and excellent weather resistance.
Ink：
Broadly used in printing inks, capable of mixing various shades such as deep yellow and orange yellow.
The ink boasts excellent stability and lightfastness, maintaining vibrant colors over extended periods.
Plastic：
Coloring for plastics, enhancing the aesthetics and market competitiveness of plastic products.
Enhances the plastic's resistance to light, heat, and oxidation.
Rubber：
For rubber products coloring, offering stable color and weather resistance.
Ceramics：
For coloring ceramic glazes, providing vibrant yellow hues to ceramic products.
