About Silicon Nitride Si3N4 Powder:The silicon nitride composition is silicon and nitrogen. Si3n4 is the most thermodynamic stable in silicon nitride. It is white solid with a high melting point, relative chemical inert, diluted HF and hot H2SO4 atta…
Silicon nitride is known as Si3N4 powder, it's a super-hard substance, which has lubricity itself, and is resistant to wear and oxidation at high temperatures.…
Silicon nitride Si3N4 powder is an inorganic substance with the chemical formula Si3N4. Si3N4 is an important structural ceramic material with high hardness, inherent lubricity, wear resistance, atomic crystallinity and high temperature oxidation res…
US President recently decided to invoke a Cold War-era defense law to encourage domestic Si3N4 Powder. About Silicon Nitride Si3N4 Powder:Silicon nitride is a compound of silicon and nitrogen. Si3n4 is the most thermodynamic stable in sil…
Gold is a high-quality hedge hedging tool, favored by investors. Especially in recent years, with the increasing instability of the world economy, gold has become one of the preferred asset allocations of investors because of its functions of hedging…
Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c…