What are the differences between iron black pigment and carbon black pigment in performance and use?

Iron black pigment and carbon black pigment, as two important members in the field of black pigments, each show unique charm and a wide range of application scenarios in terms of performance and use. This article will explore the differences and connections between the two pigments from multiple dimensions, such as basic properties, main uses, chemical structure and application fields.

1.Differences in basic properties ?

Iron black pigment, also known as iron oxide black or black iron oxide, has a chemical nature of iron oxide?(Fe?O?), which is a magnetic black crystal. In appearance, it appears as a fine black powder with good hiding power and tinting power. Iron black is not only resistant to various alkalis but also shows stability to sunlight and atmospheric effects. However, it is worth noting that it is soluble in acid solutions but insoluble in water and organic solvents such as alcohol. In addition, due to its magnetic properties, iron black has unique advantages in specific fields such as electromagnetic shielding and recording tape production.

Nano-iron?oxide, a material with unique magnetic properties, can not only achieve directional movement under the action of an external magnetic field but also exhibit superparamagnetic properties when the particle size is within a specific range. It is worth mentioning that when nano-iron oxide is subjected to an external alternating electromagnetic field, it can also generate heat. This feature makes it show broad application prospects in many fields.

In contrast, carbon black is a light and extremely fine black powder with a wide variety of types, including gas black, acetylene black, lamp black, mixed gas black, etc., as well as channel black, furnace black and drum black, etc., which are distinguished according to different preparation methods. The quality of carbon black is closely related to its carbon content. The higher the carbon content, the better the quality, and the corresponding hiding power and tinting power are also stronger. Carbon black not only has high color fastness but is also resistant to acids, alkalis and solvents. These characteristics make carbon black an indispensable colorant in many industries. ?

2.Differences in main uses ?

The application fields of iron black pigments are wide and diverse. In the field of construction, it is often used to produce building materials such as black cement, black floor tiles, and black terrazzo. It can not only change the appearance of building materials but also has a certain protective effect. In the paint and coating industry, iron black is used as a raw material for the preparation of certain paints, coatings and inks and is particularly suitable for coatings that require protection, such as primers, topcoats and toy paints. In addition, iron black is also widely used in the coloring of plastic products, as well as in the production of high-tech products such as recording tapes, telecommunications equipment and photographic equipment.

The application of carbon black is more focused on rubber products, inks, coatings and plastics. As the main reinforcing agent and filler for rubber, the consumption of carbon black accounts for about half of the rubber consumption. Especially in tire manufacturing, fine-particle carbon black can give tires excellent wear resistance. In the ink and coating industry, carbon black, as a colorant, can give products good blackness and gloss, especially in high-grade automotive topcoats and general industrial coatings. In addition, some types of carbon black are also used to improve the weather resistance of plastic products, and as a UV shielding agent, it further expands its application range.

3.The relationship between chemical structure and application field ?

The chemical structure of iron black pigment is simple and mainly composed of iron oxides. This property makes it perform well in occasions where conductivity and redox properties are required, such as electromagnetic shielding and metal surface treatment. Carbon black, due to its complex chemical structure, contains UV absorbers, hydroxyl groups and other organic molecules, which give it excellent dispersibility and adsorption properties, thus occupying an important position in the printing ink, plastic, rubber and other industries. ?

Supplier?of Iron Oxide Fe3o4 Powder ?

TRUNNANO?is a globally recognized manufacturer and supplier of compounds with more than 12 years of expertise in the highest quality nanomaterials and other chemicals. The company develops a variety of powder materials and chemicals. Provide OEM service. If you need high quality?Iron Oxide Fe3o4 Powder,?please feel free to contact us. You can click on the product to contact us.([email protected]) Tags:?iron oxide, fe oxidation, iron oxide metal, fe3o4