We are adhering to the corporate culture of 'integrity-based, innovative and enterprising, resource integration, and quality improvement', actively integrate various resources, and take the production of high-quality Zinc Phosphate Powder, Asphalt Pigment, Yellow Iron Oxide Pigment as the development goal. We hope that our talent advantage and team effectiveness are obvious, and our manual efficiency reaches the level of excellent enterprises. We have paid attention to product quality for many years, and actively adopted domestic and foreign advanced technology and scientific management to ensure product quality. We are deeply aware that only by continuous improvement can we ensure that we will not be eliminated in the fierce market competition and can we continue to develop.
Medium chrome yellow, also known as pigment yellow 34. The main component is lead chromate pigment, its chemical composition is PbCrO4, the content is about 90%-94%, the appearance is a light red yellow powder, it is the monoclinic crystal, with a slight odor, bright color, low density, migration resistance. It has a melting point of 258°C and stable at 150°C for 20 minutes. It can be dissolved in organic solvents such as ethanol and acetone when heated. It is mainly used for coatings.
Medium chrome yellow has good weather resistance and heat resistance and can maintain good chemical stability at high temperatures. It is an essential material for coloring plastics, coatings, paints, etc.
Feature
1. Bright color and clean
This product is a medium yellow powder obtained by mutual precipitation of chromate and lead salt solution. The original color shows: 
Diluted color display:
, with blue paint to form a medium green picture 
2. Strong tinting power, great hiding power
Relative tinting power ≥ 95%, hiding power ≤ [40,95] (g/m2), low density, easy to grind, strong color bleeding resistance and not easy to fade.
3. Weather resistance, strong heat resistance
Volatile matter at 105℃≤1.0(%,m/m)
4. Excellent water resistance, solvent resistance, acid and alkali resistance
Water soluble matter ≤1.0 (%), PH value of water suspension, 6~9
5. Good light resistance and dispersion
Light resistance ≥ 5 (level), easy to disperse ≤ 25 (μm)
6. Not easy to react with most coatings and base materials
Insoluble in water and oil, oil absorption≤[15,30]%, but easily soluble in strong inorganic acid and excessive alkali solution, easily decomposed when encountering strong acid or strong alkali; it will react with reducing substances such as hydrogen sulfide to make the pigment color darken.
Storage
When storing medium chrome yellow, it is necessary to ensure that the storage place should be kept in a dry and ventilated environment. At the same time, it is also necessary to maintain the temperature and humidity of the warehouse, which can effectively avoid the performance damage of medium chrome yellow.

Container Packing:
20GP,1000kg/Tray,20Tray,Total:20ton/Container
20GP,1200kg/Tray,20Tray,Total:24ton/Container
Product Name | Medium Chrome Yellow (P.Y.34) | ||
English nickname | C.I. 77603 C.I. Pigment yellow 34 C.I. 77600 Light Chrome Yellow Middle chrome yellow | ||
Type | 103/106/108/400/1725/118 | ||
Chemical Name | PbCrO4 | ||
Delivery form | Powder | ||
CAS No. | 1344-37-2 | ||
Physical Specifications | Contents(PbCrO4) | % | 90~94 |
Oil Absorption | ml/100g | ≤25 | |
Res.on 320 mesh | % | ≤0.5 | |
Water soluble salts | % | ≤1.0 | |
Moisture | % | ≤1.0 | |
PH value | 5~8 | ||
Bulk Density | g/cm³ | 0.8~1.2 | |
Specific gravity | g/cm³ | 5.1~6.0 | |
Tinting Strength | % | 95~105 | |
Covering Power | g/㎡ | ≤55 | |
Color Difference △E | ≤1.0 | ||
Fastness Properties | Heat | ℃ | 220 |
Light | 5~6 | ||
Water | 5 | ||
Linseed Oil | 5 | ||
Acid | 4 | ||
Alkali | 5 | ||
Sales Packing | In 25kg paper bag/1000kg bulk bag then palletized | ||
All of us are centered on industry needs, and we hope that through our professional level and our unremitting efforts, we can reshape our corporate image and allow our products to be recognized by the Special Flash Pearl Pigment for Waterbased Paints industry. It is our duty to make full use of the core concepts of scientific and systematic management methods, flexible operation mechanism, continuous technological innovation and customer service success to give full play to the industry advantages and meet the needs of customers. We will continue to work hand in hand with new and old customers to develop our business vision in the future.
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