FV bearing is a professional manufacturer of heavy industry bearings. FV bearing devotes to the research and manufacture of metallurgy, mining, wind power, and cement bearings, and has earned a high reputation in many areas overseas, especially its rolling mill bearing, some of which can perfectly replace famous brand bearings. So far, FV bearing’s superior […]

What is the classification of new ceramic materials? The new ceramic material has its unique superiority in performance. In terms of thermal and mechanical properties, high-temperature resistance, heat insulation, high hardness, wear resistance, etc. In the electrical properties of insulation, piezoelectric, semiconductor, magnetic, etc.; In the chemical aspect has catalysis, corrosion resistance, adsorption and other functions; […]

Physical properties The black Fe3O4 is a mixed-valence oxide of iron. It has a melting point of 1597℃ and a density of 5.17g/cm3. It is insoluble in water and soluble in acid solutions. It appears in the form of magnetite in nature. Strong submagnetism and high conductivity. (There is also literature that the melting point of […]

Advanced ceramic materials, also known as precision ceramic materials, refer to products with excellent performance that is manufactured using refined, high-purity, ultra-fine inorganic compounds as raw materials and advanced preparation technology. According to the requirements of engineering technology for product performance, the manufactured products can have piezoelectric, ferroelectric, conductive, semiconductor, magnetic, etc. or have high […]

Selenium powder, chemical formula Se, black-gray non-metallic, soluble in concentrated sulfuric acid and chloroform, slightly soluble in carbon disulfide, toxic, insoluble in water and ethanol. Selenium powder is usually in powder or granular form, with pure appearance, consistent color, purity up to 99.99%, no impurities such as soil, stable composition, and uniform moisture. Improve the combustion […]

TIMKEN EE291201/291751CD is a high-quality bearing, alloy steel and relevant parts and accessories global leading manufacturers. No matter where in the world, as long as it has the equipment operation and power drive, you will see TIMKEN company’s technology and products. Whether the family cars with a wheel component, the bearing of a roller coaster, rail […]

Spherical roller bearings have two rows of rollers, which mainly bear radial load, but can also bear axial load in any direction. It has high radial load capacity, especially suitable for working under heavy load or vibration load, but cannot bear pure axial load. The outer ring raceway of this type of bearing is spherical, […]

How to match the aerogel felt with glass fibre needled felt best? Suppose we have a 350℃ high-temperature pipeline project that requires thermal insulation. The selected material is a combination of 10MM thick aerogel felt and 10MM thick glass fibre needled felt. Then there is a problem during installation. Should the aerogel felt be installed […]

1. Surfactant modified graphite Refers to a particular structure of surfactant treatment and surfactant, so that its hydrophobic end groups are adsorbed on the surface of graphite, and the other end of the hydrophilic group in the water, thereby changing the surface characteristics of graphite, Its hydrophilicity is improved. Modification of graphite with surfactant is […]

A lot of people smell “dirty” color change, think sewage plant is a dirty smelly pronoun – “that place is a pile of gray cement building? And the air there is filled with Chou (thick) qi (qi) xun (tian)… I think that’s because, in a weak way, people who think that have never really seen […]

With the increase of attention to environmental protection in all walks of life, furniture enterprises also put the “oil to water” plan on the agenda, and in the “oil to water” development of the biggest bottleneck is the drying problem of water-based paint. Because water is the main dispersion medium in waterborne coatings, the dryness […]

A lot of people will be surprised when I say that water is the strangest thing in the universe because from the human point of view we have, it seems completely normal to have so much water. But of course, in addition to all the crazy discoveries we’re going to make in the next few […]

March 22, 2019 is the 27th world water day, and March 22, solstice 28, is the 32nd China water week. In order to improve everyone’s awareness of water conservation, the following, small make up a list of water saving tips. 1. When cleaning cooking utensils, tableware, if the oil is too heavy, you can first […]

The UN has set the theme for world water day 2019 as “Leaving no one behind”. The publicity theme of China’s activities commemorating “world water day” and “China water week” is “give priority to water conservation and strengthen water resource management”. The value of water resources is self-evident, today let us  talk about the story […]

Recently marketing, began to send the extreme high temperature, although some sensational words and figure, but for this “exaggeration” I do think not, for environmental protection this concept, I was the more sensational can really cause the attention of more people (just like the security environment, not to say the area has 300 thieves, you […]

Is the landmark building of tianjin has a lot of, there are too many impressive buildings in tianjin: tianjin eye, five avenue, jiefang porcelain house, etc., is played, a lot of people like to say today the landmark building of, is the guinness ten views “tower XuanYun” tower of radio and television tower (tianjin), is […]

Prefabricated building in Japan, Sweden is quite mature, in recent years in some developed countries and regions are also gradually showing the trend of rapid development. At present, a large number of enterprises in western countries represented by Britain and the United States have entered prefabricated buildings, and governments in Asian countries and regions represented […]

Water-saving irrigation is an irrigation measure to obtain the maximum yield or benefit with the minimum water consumption, that is, to increase the crop yield and output value per unit of irrigation water to the maximum extent. Water-saving irrigation is the irrigation of scientific and sustainable development, including engineering measures, agronomic measures and management measures. […]

We all know that 70% of the earth is covered by water. What would the earth look like if we drained 70% of the water? Like this? What would the world be like if we drained the earth of water… Or is it this way? What would the world be like if we drained the […]

approximately 30% of the earth is land, however about 70% is ocean. there may be also a large quantity of water frozen within the Antarctic and the Arctic, and it is a good query from wherein the water comes from. Scientists were thinking about this for a long time. we are still not certain, but […]

Choosing good building materials can extend their service life and reduce economic expenses. How to choose trustworthy building materials and low-carbon environmentally-friendly building materials in the process of decorating and decorating new houses is a problem that consumers are very upset. Here, we will introduce how to choose environmentally-friendly building materials. 1. Choose a famous […]

With the country’s emphasis on environmental protection and the continuous introduction of relevant environmental protection policies, the coatings industry has experienced the most stringent environmental protection law in history. It is forbidden to use oil-based coatings and promote the use of water-based coatings. At this point, the development of oil-based coatings is difficult, and water-based […]

February 27 of every year is the “international Polar undergo Day.” The competition became installation to remind anybody to be aware of the survival of polar bears and the Arctic ecology. The unique document on international Warming 1.5 stages, posted with the aid of the United international locations Intergovernmental Panel on climate exchange (IPCC) in […]

the arena Conservation Union, the United nations environment program and the national Geographic Society lately at the same time launched the “defensive the Earth file 2018” (hereinafter called the “record”), and carried out a statistical evaluation of the construction of the worldwide terrestrial and marine blanketed areas in 2018, and considered the applicable government. policy […]

1 Operating the water output of the faucet Upload a water-saving gasket or pressure compensator for your kitchen or lounge faucet. These small devices mix a little bit of air with the water stream, making it smaller and slowing down. 2，Go to the bathroom to maintain water volume adjustment Use water-saving toilets or equipment that […]