Chrome yellow and vibrant color and strong; low density, non-toxic, but some varieties of light, heat, solvent and migration resistance is often not as good as inorganic pigments. Endless varieties change color, colorful, but there is a certain intrinsic link between a variety of colors, each color can be used to determine the three parameters, namely hue, lightness and saturation. Color is black with each other mutually distinguishing features, feel decisions of each wavelength in chromatography and surface composition of the emitted light on the human eye can distinguish red, yellow, green, blue, purple and other features. Lightness, also known as luminance, expressed varying degrees of light and dark objects appearance characteristic value; comparing the brightness of colors, this color will have a bright and darker points. Saturation, also called the degree of color, showing characteristic values of the object appearance color shades, with bright colors and make Yinhui of difference. Hue, lightness and saturation form a three-dimensional, with the establishment of the scale of these three, you can use numbers to measure the color. Nature kaleidoscope of colors, but the most basic red, yellow, blue, called primary colors.
chrome yellow living in hiding between shallow and deep chrome yellow chrome yellow, light chrome yellow with equal brightness, better than the deep chrome yellow, acid resistance and light chrome yellow equal, better than the deep chrome yellow, poor alkali resistance, good dispersion. Nitrates such as chrome yellow is lead nitrate, chromate, sodium dichromate, such as raw materials, strict control of the reaction conditions to form a stable monoclinic crystalline chrome yellow particles by filtration, drying and crushing. Mainly for paint, especially signpost coatings, inks and plastics.
Chrome yellow pigments
Inorganic pigments are widely used in coloring printing inks, textile printing,
Plastic masterbatches, color concentrates, pigment dispersions, paints and coatings.
Technical Data
Items
Moisture and other volatile matter(max) 2%
Total matter soluble in water(max) 1%
Oil absorption(g/g100%)(max) 25%
Lead Chromated(PbCrO4)(min) 60%
PH Value 4-7
Residue on Sieve(max)5%
Light Fastness 4
Dispersibility(1-5scale) 5
25kgs net kraft bags with woven plastic linings Or 25kgs net fibre drums
About two thirds of chrome ore deposits are located in South Africa We bring the raw material reliably quickly and efficiently from Mozambique to the buyers destination We can guarantee you the highest product quality with the best service in procurement and logistics
Chrome Concentrate is a high-grade material derived from chrome ore, primarily used in the metallurgical industry for producing ferrochromeâ??a key component in stainless steel manufacturing. With a high chromium-to-iron ratio and low impurities, Chrome Concentrate is essential for enhancing the corrosion resistance, hardness, and durability of steel and other alloys.
Key Features:
1. High chromium content (Cr2O3)
2. Low impurities such as silica and alumina
3. Consistent particle size distribution
4. Ideal for ferrochrome and stainless steel production
Applications:
1. Stainless steel production
2. Alloy casting
3. Chemical and refractory industries
Available in various grades to meet specific industry requirements, Chrome Concentrate ensures optimal performance for metallurgical processes.
Chromite is an oxide mineral composed of chromium, iron, and oxygen (FeCr2O4).
Chemical Classification
Oxide
Chemical Composition
FeCr2O4 with magnesium substituting for iron in significant amounts
Crystal System
Isometric
Uses
An ore of chromium
Properties of Chrome Ore:
Chrome ore, primarily consisting of chromite (FeCrO), is rich in iron, chromium, and oxygen. is a mineral that serves as the main source of chromium. Chromium is a critical element used in various industries.
Appearance: It usually appears as dark gray to black with a metallic luster.
Hardness: It's relatively hard, with a Mohs hardness of 5.5.
Density: High density, which makes it useful in heavy-duty industrial applications.
Mining and Production:
Mining Process:
Open-pit Mining: Suitable for deposits near the surface.
Underground Mining: Used for deeper deposits.
Ore Processing: Chrome ore is processed into ferrochrome (an alloy of chromium and iron) through smelting in an electric arc furnace. This is a crucial material in stainless steel production.
Applications:
1.Stainless Steel: Chromium gives stainless steel its corrosion-resistant properties. Nearly 80% of the world's chromium is used in this sector.
2.Refractories: Chrome ore is used to manufacture heat-resistant bricks and lining for furnaces.
3.Chemical Industry: Used to produce chromium chemicals for pigments, tanning leather, and anodizing aluminum.
4.Foundry Sand: Processed chrome ore is used in mold-making during metal casting.
Black Foundry Chromite sand is a high-quality sand primarily composed of chromite (FeCrO), a naturally occurring mineral that is rich in iron and chromium. It is widely used in the foundry industry for manufacturing molds and cores due to its excellent refractory properties, high melting point, and ability to withstand thermal shock. This makes it ideal for casting ferrous and non-ferrous metals, particularly in high-temperature processes. Chromite sand's low thermal expansion and good wear resistance also make it suitable for steel and alloy casting.
Additionally, its resistance to chemical reactions at high temperatures enhances the durability and precision of molds, providing superior surface finishes for metal castings.
We offer high-quality chromium ore with a minimum chromium oxide (Cr2O3) content of 48%. Our chromium ore is extracted from reputable mines and undergoes rigorous quality control to ensure it meets international standards.
Key Features:
- High Chromium Content: 48% Min Cr2O3, ensuring maximum value for smelting and refining
- Low Impurities: Minimal levels of impurities, such as silica, alumina, and iron
- Competitive Pricing: Attractive pricing for bulk quantities
- Reliable Supply: Stable and consistent supply from reputable mines
Specifications:
- Chromium Oxide (Cr2O3) Content: 48% Min
- Silica (SiO2) Content: 5% Max
- Alumina (Al2O3) Content: 3% Max
- Iron (Fe) Content: 2% Max
- Moisture Content: 5% Max
Certifications and Compliance:
- ISO 9001: Quality management system certification
- ISO 14001: Environmental management system certification
Packing and Shipping:
- Packing: Bulk packing in 20ft or 40ft containers
- Shipping: FOB or CIF, as per buyer's preference
Quantity:
- Minimum Order Quantity: 1,000 MT
- Maximum Order Quantity: 10,000 MT
If you're interested in purchasing high-quality chromium ore, please don't hesitate to contact us. We look forward to hearing from you.
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