2017-07-03
1. Chemical Name: Chinese Name: Zinc Oxide, Zinc White; English Name: Zinc Oxide; Zinc White; Molecular Formula: ZnO; Molecular Weight: 81.37 2. Hazard Overview: Routes of Exposure: Inhalation, Ingestion; Health Hazards: Inhalation of zinc oxide fumes can cause zinc metal fever. Symptoms include metallic taste in the mouth, thirst, dry throat, loss of appetite, tightness in the chest, dry cough, headache, dizziness, muscle aches, high fever and chills. Large amounts of zinc oxide dust can block sebaceous glands and cause skin papules and eczema. Fire and Explosion Hazard: This product is non-flammable. 3. First Aid Measures: Skin Contact: Wash with soap and water
2017-06-26
The amount of zinc oxide used in rubber
The amount of zinc oxide used varies depending on the type of rubber product being made. Even for the same rubber product, the amount of zinc oxide used will vary depending on the vulcanization system! Therefore, the statement that the standard amount of zinc oxide in rubber is 5% is incorrect and only applies to some situations. For example, in chloroprene rubber, zinc oxide was originally used as a vulcanizing agent and even has a reinforcing effect.
2017-06-17
Comparison of commonly used raw materials for white pigments
Common raw materials for white pigments include lead white, zinc white, and titanium white. Lead white, chemically known as lead carbonate, offers excellent covering power in oil painting. Lead white powder is often used as a base material. Lead white is currently the best white pigment in oil paints. Pure lead white is very stable; however, impurities may cause yellowing over time. Lead white oil paints dry quickly, forming a solid color layer. It is one of the best whites in traditional European oil paints and has been used by many master painters. However, lead white is highly toxic. Even inhaling lead white dust can have serious consequences, making its grinding dangerous. Most commercially produced white oil paints now use zinc white.
2017-05-25
A zinc oxide factory discusses the application history of zinc oxide with you
Humans learned to use zinc oxide as a coating or external medicine in ancient times, but the history of human discovery of zinc oxide is difficult to trace. In the ancient Indian medical work "Charaka Samhita", a drug later identified as zinc oxide is recorded, used to treat eye diseases and trauma. In the 1st century AD, the Greek physician Dioscorides also mentioned the use of zinc oxide in ointments. Avicenna's "Canon of Medicine", completed in 1025, describes zinc oxide as the preferred drug for treating various skin diseases, including skin cancer. Today, zinc oxide is no longer used to treat skin cancer, but it is still widely used for other common skin conditions. The Romans as early as the 1st century AD
2017-03-08
Brief introduction to the uses of zinc powder
Mainly used in paint, coating, galvanizing, smelting, pharmaceutical intermediates, electroplating, reduction and other industries. 1. Chemical production is used in the production of zinc dust, lithopone, blanc fixe, fuel intermediates, etc., as a reducing agent, with a large dosage and coarser particle size than coating zinc powder. 2. Zinc anti-corrosion coating production The corrosion protection of steel components is the most important use of metallic zinc. Coating methods include hot-dip galvanizing, electroplating, thermal spraying, zinc-rich coatings, powder coating, etc., among which hot-dip galvanizing is the main method. Zinc-rich coatings are mainly used for large components that are not suitable for hot-dip galvanizing and electroplating, such as large outdoor steel structures, ships, containers, etc. 3. Fine zinc powder except
2017-02-04
What are the applications of zinc oxide in magnetic materials?
We all know that zinc oxide has a wide range of applications. Today, we will focus on some of its applications in magnetic materials. With the rapid development of computers, mobile communications, fiber optic communications, EMC, DVDs, digital television, and new lighting fixtures, a larger market has been opened up for soft magnetic ferrites, with soft magnetic ferrite products developing rapidly in this market. The development of soft magnetic ferrite products has further expanded the market for upstream iron oxide, manganese oxide, and zinc oxide materials. Ferrites are magnetic composite oxides mainly composed of iron oxide and iron or rare earth oxides.
2017-01-03
Zinc oxide nanoparticles are a new type of high-function, high-value-added fine inorganic chemical product for the 21st century. Its particle size is between 1 and 100 nanometers, also known as ultrafine zinc oxide. Due to the miniaturization of the grains, its surface electronic structure and crystal structure change, producing surface effects, volume effects, quantum size effects, and macroscopic tunneling effects, as well as high transparency and high dispersibility, which are not possessed by macroscopic objects. In recent years, it has been found to exhibit many special functions in catalysis, optics, magnetism, and mechanics, making it have important application value in many fields such as ceramics, chemical industry, electronics, optics, biology, and medicine.
2016-12-28
Physical properties, uses and characteristics of rubber-grade zinc oxide
Physical properties of rubber-grade zinc oxide: white crystalline system crystals or powder, odorless, non-toxic, fine texture. Relative density 5.606, refractive index 2.008-2.009, melting point 1975. Soluble in acid, sodium hydroxide, ammonium chloride, insoluble in water, ethanol and ammonia, belonging to amphoteric oxide, absorbs carbon dioxide and water in the air to generate zinc carbonate, which is yellow, turns yellow when heated, and recovers white after cooling. It does not transmit ultraviolet light and does not turn black when exposed to hydrogen sulfide. Uses of rubber-grade zinc oxide: In the rubber industry, it is used as a vulcanization activator for natural rubber, synthetic rubber and latex, as well as a reinforcing agent and coloring agent. It can also be used to produce...
2016-12-23
Methods for zinc powder preparation
Zinc powder preparation methods: There are two methods: ball milling and atomization. Ball milling produces coarse zinc powder with a wide particle size distribution, but it has high production efficiency, low energy consumption, and low cost. By strengthening the atomization process and screening and grading technology, finer powder that meets the requirements can also be produced. Atomization produces fine zinc powder with high active metal content. 1. Ball milling method Wet ball milling can prepare zinc powder slurry with a flake structure. The flake structure zinc powder has a large covering power, and the amount of zinc powder used when preparing coatings is less than that of granular zinc powder. Atomized zinc powder and fat
2016-12-02
The difference in the quality of 99.7% zinc oxide
The difference between indirect and direct zinc oxide lies in their manufacturing materials and processes, resulting in different applications. For tires, indirect zinc oxide is generally used because it is produced from zinc ingots and greatly aids in rubber vulcanization. Direct zinc oxide, however, is produced from zinc ash and has poor rubber vulcanization properties, limiting its use to other applications, typically in ceramics. You get what you pay for. The price of any product is based on cost, and zinc oxide is no exception. Costs are related to raw materials and manufacturing processes. Zinc oxide manufacturing methods are divided into dry and wet methods.