Spherical allumina exhibits high sphericity with high levels of a-phase, which makes it a great filler for rubber, plastics, ceramics and other raw materials. Purity: 99.9%Shape: Spherical About Powder of Spherical Aluminium Oxide Al2O3 :…
The biggest immediate challenge for the EU will be replenishing its depleted gas inventories. While the EU could still increase LNG imports from countries such as the US, such purchases would be more expensive.Refilling natural gas storage space to h…
Under the spread of the new crown epidemic, after Americans experienced life and death, they set off the largest "resignation wave" in history, and the number of resignations broke the highest record since statistics began in 2000. Since April this y…
What is gallium-nitride? A new semiconductor material, gallium-nitride, has high band gaps, thermal conductivity at high temperatures, radiation resistance and acid resistance. It also exhibits high strength, hardness, and toughness. It is used exten…
Introduction to eruptive compositesEruptive compounds, dressed metals (also known as explosive welding), were found by a bit of serendipity: in 1944, the American L.R. Carl, in an explosive surge test, unintentionally found two slim brass sheets 1 in…
Risk aversion plunged on the positive news of the Russia-Ukraine talks. After several days of rising oil prices, the price of precious metals continued to fall. Domestic futures markets remain stable for the time being.Back in international markets,…
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