The Formation and History of Boron Nitride Boron is a ceramic material with beneficial chemical and physical properties. It was first manufactured commercially at the time of 1954 by Carborundum Corporation. It was purchased by Saint-Gobain in 1996.…
According to the different molecular structure, it can be divided into four generations of polycarboxylate series superplasticizer, the first generation is acrylic acid copolymer, the second generation is propylene ether type, the third generation is…
flexible cable gland industry background industry background Wire and cable are widely used in all departments of the national economy, which is the fundamental guarantee…
The purity of carbonaceous raw materials such as petroleum coke and pitch coke is relatively high, and the ash content is usually less than 0.5%, while the purity of natural graphite treated by flotation is relatively low, and the carbon content is u…
Advanced materials are the cornerstone of the development of strategic emerging industries Advanced materials refer to the materials that have emerged or are in development . Advanced materials have excellent properties that traditional materials do…